1. This phylogenetic tree was constructed by comparing sequences for a homologous gene involved in development. Select the correct statement.
A. A phylogenetic tree containing two main branches for evolutionary relationships among the animals.
B. The first branch leads to Drosophila.
C. The second branch divides into two branches, 2a and 2b. Branch 2a leads to Lancelet.
D. Branch 2b divides into two branches: 3a and 3b. Branch 3a leads to Zebrafish.
E. Branch 3b divides into two branches: 4a and 4b. Branch 4a leads to Frog.
F. Branch 4b divides into two branches: 5a and 5b. Branch 5a leads to Chicken.
G. Branch 5b divides into two branches leading to Human and Mouse, respectively.
2. This phylogenetic tree was constructed by comparing sequences for a homologous gene involved in development. Select the correct statement.
A. The common ancestor of a human and a frog and the common ancestor of a mouse and a chicken lived at the same time.
B. The nucleotide sequence of this gene in a mouse is more similar to the sequence in a chicken, and both are less similar to the nucleotide sequence of this gene in a frog.
C. A frog is the ancestor of both a mouse and a chicken.

Answer: Here's a power point on the endocrine system. I hope this helps.

Explanation:

Answer:

Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent. This type of reproduction occurs in prokaryotic microorganisms (bacteria) and in some eukaryotic single-celled and multi-celled organisms

Hope this helped!!!!

Answer:

Asexual reproduction produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent.

So A.

B. incorrect because they have the same DNA

C. incorrect because They do not need 2. it produces offspring that are genetically identical to the parent because the offspring are all clones of the original parent.

D. incorrect because They do not have diversified DNA

Answer:

a) autotrophic organisms and fungi in a mutualistic relationship

Explanation:

A lichen "is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species".

It is cyanobacteria + fungi, so it has to be two separate groups, and both cannot be fungi.

Your question has been heard loud and clear.

answer is option C , lichens do colonize on rocks most of the time , this is because they really are saprophytic fungi , that secrete acids to melt and make the rocks suitable for growing on.

Answer:

Starch

Explanation:

Starch is a polysaccharide composed of many glucose molecules linearly arranged.

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Glucose is the most abundant carbohydrate. The main source of glucose is vegetable starch.

This is a linear polysaccharide that can acquire a tridimensional helicoidal conformation. Each of the helices turns consists of six glucose molecules. In the interior of the helix, there are only hydrogen atoms. Hydroxyl groups are facing the exterior.

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Answer:

option c is correct

Explanation:

The statement that describes result from the activities of Earthquake is C: : The amount of damage increases as magnitude decreases.

Therefore, option C is right because as its magnitude decrease, then the damage will increase.

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Answer:

C aphid is the answer for that question

Answer:

yes

Explanation:

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:

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:

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:

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Answer:

Explanation:

 (a) Dry apricots when placed in pure water swell due to osmosis and when in sugar water, they shrink again.

(b) When a Red Blood Cell is placed in concentrated saline solution exosmosis occurs and the RBCs shrink due to excess loss of water.

(c) Breaking of the plasma membrane leads to the scattering of the ceil organelles as it forms the basic supporting unit of the cell.

(d) When Rheo leaves are boiled in water first and then a drop of sugar syrup is put on it, osmosis does not occurs, due to the death of the cells of the leaf. This shows that selective permeability is property of living plasma membrane.

(e) Golgi complex helps in the package, storage and transfer of proteins synthesized by ribosomes. Thus, when ribosomes are removed the cell will not function properly

Answer:

Gas exchange is the delivery of oxygen from the lungs to the bloodstream, and the elimination of carbon dioxide from the bloodstream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessels called capillaries, which are located in the walls of the alveoli.

Hope it helped u if yes mark me BRAINLIEST!

Tysm!

Answer:

breathing allows the exchange between 2 gases: oxygen and carbon dioxide. Gas exchange occurs in millions of lung alveoli and the capillaries that surround them

Explanation:

Answer:

option A is correct because of it is undergoing a convertion

Answer: C

Explanation:

When a neuron receives a stimulus, the sodium channels present in the membrane are opened, and therefore Na+ enters the cell in favour of the concentration gradient, so that the membrane potential changes to positive by means of ion exchange, producing depolarization. If this depolarization reaches a certain threshold value, an action potential is generated. The next step is the opening of the potassium channels and the inactivation of the sodium channels, so that the repolarization of the membrane takes place. The sodium channels, will return to the closed state in the hyperpolarization to continue in this state during all the rest potential achieving the action potential to return to -70 mV (repolarization).; until the arrival of a new action potential which produces the activation and opening of the sodium channels, repeating the cycle again and generating a new depolarizing action. This process is part of the synaptic transmission.

So, hyperpolarization is any change in the cell's membrane potential, which makes it more polarized. This means, hyperpolarization is an increase in the absolute value of the cell's membrane potential. Thus, changes in membrane voltage where the membrane potential is more distinctly positive or negative are hyperpolarizations.

During the repolarization period after an action potential, the membrane potential is more negative than when the cell is in "rest period". In the picture, this repolarization period is about 1-2 milliseconds. So, repolarization is the time in which the membrane potential is hyperpolarized with respect to the resting potential.

In the attached figure, part C indicates this repolarization period.

Answer:

Something that can be tested, or rationalized.

Explanation:

You didn't give any statements to choose from, so I'll give you a rule of thumb. When finding a scientific statement, make sure it's something like "The tide is higher at noon than it was at 3 am." and not "Your dog is itchy, so that means a bad storm will arrive."

Answer:

Scatter Plot

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

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.

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.

Answer:

36.7783° N, 119.4179° W

Explanation:

Having too many fish in a pond can limit the amount of food and space available is Commensalism.

The cheetah population depends on the gazelle population for food  Mutualism.

There are 03 main types of interchange among organisms:

Thus, Commensalism and Mutualism is the correct answer.

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Answer:

Identify the interaction used to describe each type of interdependence among organisms.

✔ competition

Having too many fish in a pond can limit the amount of food and space available.

✔ predation

The cheetah population depends on the gazelle population for food.

Given the relationships identified above, determine what would happen to the populations under the following circumstances.

✔ increase

If the cheetah population decreases, what would happen to the gazelle population?

Explanation:

Answer:

it means water not polluted, without dangerous bacteria, trash and something like this

Answer:

c

Explanation:

c

Answer:

oxygen is released as a byproduct.

Explanation:

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

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.

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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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:

Answer:

attached or unattached ear lobes

Answer:

warmer

Explanation:

Answer:

dsi

Explanation:

sdf

Explanation:

human have closed circulatory system. this means blood is always enclosed in the vessels  and the heart while circulating throughout the body IN this type of system blood is pumped by heart through arteries and veins and does not fill the body cavities thats why the circulatory system is considered to be a closed system

Answer:

kinda looks like a cricket or grasshopper prob a cricket tho

Explanation:

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