2. Explain the factors that led Wilson to the idea of (a) studying small islets, (b) fumigating them, and (c) observing the recolonization of species.

Answers

Answer 1

Answer and Explanation:

The ecologists MacArthur and Wilson took the term island biogeography theory to refer to the predictions about the number of species that could be inhabiting on an island.  

Island biogeography theory establishes that the two factors that affect species richness in natural communities on an island are the distance from the mainland and the size of the island.  

At the same time, these factors affect inmigration and extinction rates. According to the theory, islands that are closer to the continent have higher possibilities of receiving immigrants than those islands that are located farther from the mainland. This is the effect of distance.  

The effect of size is reflected in the relation between island size and species diversity. In smaller islands, the probability of extinction is higher than in bigger islands. Bigger islands can have more species than smaller ones.  

In the case of two islands of the same size and different distance to the mainland, both of them will have the same extinction rate, but the one closer to the continent will have a higher immigration rate, and so, a higher amount of species. The S value will be higher on the island closer to the continent.

Experiment:

To prove that the observations about the species richness and its relation to island size and distance to the continent were not a casualty, manipulation experiments were developed. These experiments helped to prove how the colonization process take place from cero. To observe the entire process of ecological succession and the tendencies proposed by the island biogeography theory Wilson and Simberloff (1970) eliminated the fauna on some islands to observe how they were recolonized from the continent. They fumigated the mangler island and studied these islands to account for the variation in arthropod richness over time. They studied many islands classified by distance. On each island, the richness increased at different rates.  The island closest to the continent received more immigrants and is colonized faster than the other ones, reaching its original richness faster. The farthest island was recolonized but at a much lower rate and it does not reach equilibrium while the study was going on. Although, it was expected to reach equilibrium with time.  


Related Questions

Shivering and vasoconstriction would be signaled to cause a: A. increase in pH. B. decrease in temperature. C. decrease in pH. D. increase in temperature.

Answers

Answer:D

Explanation: shivering occurs when someone is cold and vasoconstriction is when the blood vessels close to the skin and the veins closer to the skin surface constrict as a result of dat air doesn’t enter the body

Vasoconstriction is the narrowing of the blood vessels that hinders blood flow. Vasoconstriction and shivering will lead to an increase in the temperature through thermoregulation. Thus, option d is correct.

What is thermoregulation?

Thermoregulation is the maintenance and balancing of the temperature and heat in the body. They are regulated by many factors including shivering and vasoconstriction.

During the vasoconstriction, the blood vessels close to the skin surface close and the body shivers as a result of cold or decreased temperature. This signals the body to increase the temperature so that shivering can be stopped.

Therefore, vasoconstriction and shivering signal the body to increase the temperature.

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Identify the location where the sex cells of each reproductive system mature.
PLEASE GIVE ME PLATO ANSWER

Answers

Answer:

meiosis gonads

Explanation:

meiosis produce spermatids that turn into mature sperm in male in females are gonads

1. D (female)

2. R (male)

Dump out half of the particles. Place your hand tightly over the top and shake the container. Then remove most of the remaining particles, and shake the container again. Compared with the full container, which states of matter do these two models most closely represent? Explain.

Answers

Answer:

solid

Explanation:

The two models explained are most closely representing the "solid" state.

As in both the models the techniques used are to separate particles through shaking technique and shaking is efficient gravity separation method which helps in separating solid particles such as while dealing with tungsten and tin.

Hence, the correct answer is "Solid".

Answer:

When the container was half full, the particles had more freedom to move around than they did when the container was full. A half-full container represents a liquid. When the container had only a few particles, they had lot more freedom to move about. So, this model represented a gas.

Explanation:

plato answer

can someone please tell me what bug this is?

Answers

Answer:

kinda looks like a cricket or grasshopper prob a cricket tho

Explanation:

. Which is a likely location for primary succession? grassy hillside newly mowed field forest floor large boulder

Answers

Answer:

A likely location primary succession is a large Boulder.

Explanation:

primary succession begins on Rock formations, such as volcanoes on mountains, or in a place with no organisms or soil.

the size of ribosome of _________cell is smaller than ribosome of plant cell. A. Animal cell B. fungal cell C.Bacterial cell D. Protists cell

Answers

Answer:

the size of ribosome of (animal cell )is smaller than ribosome of plant cell

Answer:

Animal cell  is smaller than ribosome of plant cell

Explanation:

Which type of graph would have a line of best fit?
O A. Scatter plot
OB. All of these
OC. Bar graph
D. Variable plot

Answers

Answer:

Scatter Plot

A line of best fit is a straight line that best represents the data on a scatter plot.

This line may pass through some of the points, none of the points, or all of the points.

Answer:

Option B

Explanation:

Scatter plots and variable plots would have lines of best fits to approximate the data shown on the graph accurately.

A line of best fit on a bar graph is called a trendline. A trendline is a line or curve that shows the overall pattern for data on a bar graph.

Option B should be the best answer.

Hope this helps.

Which axiom is used to prove that the product of two rational numbers is rational?(1 point) Integers are closed under multiplication. Integers are closed under division. Whole numbers are closed under division. Natural numbers are closed under multiplication.

Answers

Answer: Integers are closed under multiplication.

Explanation:

Rational numbers are numbers of the form:

a/b

such that a and b are integers.

The axiom: " Integers are closed under multiplication. "

Says that if we have two integers, x and y, then:

x*y is also an integer.

So if we have two rational numbers,

a/b and c/d

Such that a, b, c and d are integers, and we multiply them, we have:

(a/b)*(c/d) = (a*c/b*d)

the numerator is a*c is the product of two integers, so this is an integer by the previous axiom.

the denominator is b*d, also a product of integers, so this is an integer.

then (a*d)/(b*d) is the quotient of two integers, then this is a rational number.

Answer:

the second one... Integers are closed under multiplication

Explanation:

Resources have an ethical value if A. They are used to produce goods. B. We have a right to take advantage of them. C. They are particularly beautiful. D. We have a duty to protect them.

Answers

Answer:

D.

Explanation:

Ethical values mean that a resource is important to conserve, protect, and use responsibly.

I'm always happy to help :)

At what coordinates is approximately california​

Answers

Answer:

36.7783° N, 119.4179° W

Explanation:

Which of the following will most likely result in anaerobic respiration?
A. Solving Algebra equations
B. Running
C. Sitting
D. Walking

Answers

Answer: B. Running

Explanation: Anaerobic respiration occurs when there is NOT sufficient oxygen present. In this instance, the muscles do not have enough oxygen to create the energy you are demanding (usually from an increase in pace that is faster than your body is able to sustain, for example sprinting at the finish).

Which statement is always true when describing sex-linked inheritance? It results in a dominant trait. The alleles are found on the X or Y chromosome. The resulting trait is influenced by multiple alleles. It is affected by alleles on at least three different chromosomes.

Answers

Answer:

the second one

Explanation:

there are only 2 sex linked chromosomes and that is X and Y

The true statement when describing sex-linked inheritance is ; ( B ) The alleles are found on the X and Y chromosome

The alleles responsible for reproductive inheritance from parents to offspring is contained in the X and Y chromosome of the reproductive gametes.

The female gametes contains double X chromosomes while the male reproductive gametes contains one X and one Y chromosomes. The alleles that are responsible for inheritance ( i.e. the sex of the offspring ) are contained in this chromosomes.

Hence we can conclude that The true statement when describing sex-linked inheritance is the alleles are found on the X and Y chromosome.

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Before working at the hospital, Beth was given a Mantoux skin test to detect tuberculosis. If it were positive, the site of the test would become hardened and red. What type of response is this?

Answers

The options are missing from the question,the missing options are;

a. Anaphylactic

b. Histamine

c. Immediate allergic

d. Delayed allergic

e. B-cell mediated.

The correct answer to the question is option D

DELAYED ALLERGIC.

Delayed allergic response is a type of late response to antigen that occurs 48-72hours after exposure to an antigen.

This type of allergic response is mediated by T-cells and macrophages.

They are otherwise known as delayed hypersensitivity response/reaction.

The response is delayed because there is sensitization upon first exposure to the antigen, therefore if there is a re-exposure,a secondary cellular response is initiated triggering the actions of the already sensitized T-cells and macrophages.

What are the three basic parts of the cell theory?

Answers

Answer:

Answer

Explanation:

All living things are composed of cells.

Cells are the basic units of structure and function for living things.

All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.

The three basic parts of the cell theory are:

All living things are made of cells.

Cells come from preexisting cells.

All cells have the same basic parts.

How do we explain?

Cells are the basic unit of life. All living things, from the smallest bacteria to the largest redwood tree, are made up of cells.

Cells are not created spontaneously. All cells come from the division of preexisting cells.

Despite their great diversity, all cells have the same basic parts, including a plasma membrane, cytoplasm, and DNA.

The cell theory was first proposed by Matthias Schleiden and Theodor Schwann in the 1830s. It has since been supported by a vast body of evidence from cell biology. The cell theory is one of the most important and fundamental concepts in biology.

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If there is a 1-degree change, coral reefs will become______?

Answers

Answer:

warmer

Explanation:

If an element has 6 protons, 6 electrons, and 8 neurons, then what’s the atomic number

Answers

Answer:

The atomic mass is the number of protons, plus the number of neutrons. In this case, 8 + 6 = 14.

Explanation:

The six protons (atomic number) tells me that this is carbon; the six electrons tell me that this is a carbon atom, rather than a carbon ion (an ion is when the number of electrons does not equal the number of protons, making the atom electrically non-neutral). The eight neutrons tell me that this is an isotope (in other words, a version) of carbon called carbon-14, which happens to be mildly radioactive; and therefore useful to archaeologists in dating human artifacts.

The atomic number is the number of protons that is in the atom. If an element is having 6 protons, 6 electrons, and 8 neurons, then its atomic number will be 6, i.e. Carbon.

What is atomic number?

Atomic number is the number of a chemical element as represented in a periodic system.

These elements are arranged in order of increasing number of protons in the nucleus.

The number of protons is always same as that of electrons in the neutral atom, which is also the atomic number.

Thus, here the number of protons given is 6 so the atomic number will be 6.

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In the database, Academic Search Complete (Links to an external site.), search for the article "Brevetoxicosis: Red Tides and Marine Mammal Mortalities" by Flewelling et al. If you wanted to explore more of the scholarly conversation by taking advantage of "citation chaining" what links could you click on to help with this task

Answers

Answer: The link I would be clicking on with this task is Molecular detection of the brevetoxin-producing dinoflagellate Karenia brevis and closely related species using rRNA-targeted probes and a semiautomated sandwich hybridization assay. Therefore, the task will be accomplished having done this.

Use the image to answer the question below: Using the model presented, what process is being depicted? A) An electrical signal being converted to a chemical signal B) Salutatory conduction C) The transfer of neurotransmitters between axons D) The path of a steroid hormone

Answers

Answer:

option A is correct because of it is undergoing a convertion

Which of the traits below are completely influenced by the expression of genes? (Choose all that apply)
weight
attached or unattached earlobes
hair texture
eye color

Answers

Eye color bjfijdjsuddjjdcnvnfjd

Answer:

attached or unattached ear lobes

what is mean by combution ​

Answers

Answer: Burning

Combustion is the scientific word for burning.

Research has proven that ;

During combustion(burning)  a substance reacts with oxygen from the air and these  reactions happen at high temperatures, and transfer energy to the surroundings as light and heat.

This is why you see flames when things burn.

Explanation:

Select the correct answer.
What is the difference between sedimentary and gaseous cycles?
OA. gaseous cycles involve elements that are abundantly found in the gaseous state
B.
gaseous cycles involve elements that are essential for life
C. sedimentary cycles do not involve the biosphere
D.
sedimentary cycles do not pass through the atmosphere

Answers

Answer: A, D

Explanation: Gaseous cycles include those of nitrogen, oxygen, carbon, and water; sedimentary cycles include those of iron, calcium, phosphorus, and other more earthbound elements. In a sedimentary cycle elements move from land to water to sediment. Main reservoirs are the soil and sedimentary rocks.

Answer:

It's D for Plato users.

Explanation:

is blood a collodial type​

Answers

Answer:

yes

Explanation:

The cells in blood are far larger than 500nm (Red blood cells: 6000-8000nm, white blood cells: 7000-21000nm, platelets: 2000-3000nm) and so they sit in the plasma as a suspension. The plasma also contains blood plasma proteins which are between 2-500nm and so they form a colloid in the water.

Answer:

The cells in blood are far larger than 500nm (Red blood cells: 6000-8000nm, white blood cells: 7000-21000nm, platelets: 2000-3000nm) and so they sit in the plasma as a suspension. The plasma also contains blood plasma proteins which are between 2-500nm and so they form a colloid in the water.

Hope this helps!!

Explanation:

What is meant by crop rotation?

Answers

Answer:

Crop rotation is the practice of growing a series of different types of crops in the same area in a sequence of growing seasons.

Explanation:

It reduces reliance on set of nutrients.

Hope it helps.

To Which skeletal system does the sternum belong?

Answers

Answer:

axial skeleton

Explanation:

The axial skeleton supports the head, neck, back, and chest and thus forms the vertical axis of the body. It consists of the skull, vertebral column (including the sacrum and coccyx), and the thoracic cage, formed by the ribs and sternum. The appendicular skeleton is made up of all bones of the upper and lower limbs.

Answer:

C. Axial Skeleton

Explanation:

Edge 2022

Arrange the sentences in order to describe how oxygen from air is transported to the cells in the kidneys.

Answers

Answer:

The pulmonary veins carry oxygenated blood to the heart. Air enters the bronchioles in the lungs and reaches the alveoli. The capillaries join together to reach the arteries, transferring the oxygen. The oxygen-rich blood moves from the aorta and reaches the kidneys through a series of blood vessels.


1. If the temperature of the water increases from 5°C to 10°C, the goldfish in Population 1 would most likely

Answers

Answer:

hot water make it hard for fish to breathe

Explanation:

an increase in temperature of water will  reduced the dissolved oxygen in water and increase the metabolic rate of goldfish thus causing goldfish respiration rate

The following specimens/slides were shown to the students: mushroom, moss, earthworm, volvox, bacteria. The teacher asked them to classify them into the five kingdoms.

Answers

Answer:

Mushroom-Kingdom Fungi

Moss-Kingdom Plantae

Earthworm-Kingdom Animalia

Volvox-Kingdom Protista

Bacteria-Kingdom Monera

Explanation:

The classification of the organisms into five kingdoms is as follows:

Mushroom- Kingdom FungiMoss- Kingdom PlantaeEarthworm- Kingdom AnimaliaVolvox- Kingdom ProtistaBacteria- Kingdom MoneraWhat is classification?

Classification is distributing the organisms into different groups according to their similar characteristics. The five kingdom classification is the approved form of classification today.

The five kingdoms are Monera, Protista, Fungi, Plantae, and Animalia, and the organisms are distributed in these kingdoms.

Thus, the classification is following:

Mushroom- Kingdom FungiMoss- Kingdom PlantaeEarthworm- Kingdom AnimaliaVolvox- Kingdom ProtistaBacteria- Kingdom Monera

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which element is NOT generally found in proteins ? A. carbon B. oxygen C. phosphorus

Answers

Answer:

c

Explanation:

c

What happens to the oxygen released during photosynthesis ?

Answers

Answer:

oxygen is released as a byproduct.

Explanation:

it breaks down glucose, releasing chemical energy and heat in the process of photosynthesis.

The Peppered moth is white with black spots, which helps it blend in with the bark on beech trees. The burning of coal in Great Britain caused many beech trees to become black with soot. Over time, the Peppered moth became all black in order to blend in with the new bark color. What type of example is this? homeostasis metabolism organization adaptation

Answers

Answer:

adaptation

Explanation:

Adaptation in Biology refers to the process whereby an organism adjust to its natural environment in order to increase its chance of survival or in other words, the organism becomes better suited to its natural habitat by possession of some adaptive features.

In this example, a white peppered moth with black spots initially possess these color combination in order to blend to its natural environment, which is the bark on beech trees. However, due to the burning of coal in Great Britain which caused many of the beech trees to be black, the peppered moths had to ADAPT to this change in environmental color by becoming all black in order to blend in with the new bark color.

Therefore, this is an example of ADAPTATION.

Answer:

adaptation

Explanation:

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The number of dollars in Teo's bankaccount on Tuesday was 3 times asmuch as the amount on Friday. Howmany dollars were in the account onFriday? Find an equation of the line with the slope m= 3/2 that passes through the point (8,-3). Write the equation in the form Ax+By = C. The event that caused south Carolina to secede from the union was the A. Tariff of Abominations B. election of Lincoln C. firing on fort Sumter D. Kansas-Nebraska Act You can spend $150 on either a new Kindle or a new pair of boots. If you choose to buy the new kindle, the economic cost of it is: The snake in this cartoon is cut intoparts.After being cut up, the snake willI what scale model proves the initial concept? Which statements about the Supreme Court are true? Select all that apply. A Supreme Court ruling may never be overturned, even by itself.A state law may be overturned by the Supreme Court. The Supreme Court determines the Constitutionality of all laws passed by Congress. The Supreme Court can determine if the actions of the President are legal. A Supreme Court Justice holds office for life. Are these proportional? 10 books for $4.50; 15 books for $6.00 explain the term marriage Participants in many experiments show clear evidence of implicit memory but fail on comparable tests of explicit memory. Yet the participants could, in principle, rely on their implicit memories to guide their guessing in the explicit test. If they did, they would perform well on the explicit tests. The text suggests that participants fail to do this because An opinion poll asked a random sample of adults whether they believe flu shots are ineffective in the United States. A commentator believes less than 35% of all adults believe they are ineffective. Which null and alternative hypotheses should be used to test this claim? H0: p 0.35, Ha: p 0.35 What is the "online disinhibition effect"? The Masim familys monthly budget is shown in the circle graph provided in the image. The family has a current monthly income of $5,000. How much money do they spend on food each month? A. $250 B. $500 C. $750 D. 1,100 Please show ALL work! Two football teams, the Raiders and the 49ers are engaged in a tug-of-war. The Raiders are pulling with a force of 5000N. Which of the following is an accurate statement? A. The tension in the rope depends on whether or not the teams are in equilibrium. B. The 49ers are pulling with a force of more than 5000N because of course theyd be winning. C. The 49ers are pulling with a force of 5000N. D. The tension in the rope is 10,000N. E. None of these statements are true. On October 10, the stockholders? equity of Sherman Systems appears as follows:Common stock?$10 par value, 72,000 $ 720,000shares authorized, issued, and outstandingPaid-in capital in excess of par value, common stock 216,000Retained earnings 864,000Total stockholders equity $ 1,800,000Prepare journal entries to record the following transactions for Sherman Systems.1a. Purchased 5,000 shares of its own common stock at $25 per share on October 11.1b. Sold 1,000 treasury shares on November 1 for $31 cash per share.1c. Sold all remaining treasury shares on November 25 for $20 cash per share.2. Prepare the revised equity section of its balance sheet after the October 11 treasury stock purchase. TRUE OR FALSE The Bill of Rights guarantees rights. Danton, a popular performer, dies. His spouse Caitlin sells their house to Buck. Unknown to Caitlin or Buck, in one of the closets is the master recording of an unreleased album. With respect to this recording, Buck can Which fact was most likely discovered between the time of Mendeleevs table and the time of Moseleys table that helped Moseley develop his version? Two identical planets orbit a star in concentric circular orbits in the star's equatorial plane. Of the two, the planet that is farther from the star must have HELP! SUPER URGENT!A water sports store hires out wetsuits and diving equipment. The cost to hire a wetsuit is one-third of the cost to hire diving equipment.Dave hired both a wetsuit and diving equipment for the same length of time and paid a total of $144.How much did he pay for the hire of the wetsuit in dollars?