Which of the following factors affecting population growth is density
independent?
A. Competition
B. Disease
C. Natural disaster
D. Predation
Answers
C. Natural disaster is a density-independent factor affecting population growth. Density-independent factors are those that affect the population irrespective of the population size or density.
How Natural disasters reduce population sizes?Natural disasters such as floods, hurricanes, earthquakes, and wildfires can reduce population sizes regardless of how many individuals were present in the population before the disaster occurred. The other factors listed - competition, disease, and predation - are all density-dependent factors, which means that they become more significant as the population size or density increases.
Competition is an example of a density-dependent factor, as it increases as the population size increases. As more individuals compete for limited resources such as food, water, and shelter, the rate of population growth slows down.
Disease is another density-dependent factor, as it spreads more easily in crowded populations where individuals are in close contact with one another.
On the other hand, natural disasters such as floods, hurricanes, and wildfires are examples of density-independent factors. These events can affect a population regardless of its size, and they can cause significant decreases in population size.
Predation can be both a density-dependent and density-independent factor. In some cases, predation can increase as the population size increases, making it a density-dependent factor. However, predators can also reduce the population size through random hunting or selective hunting of weaker individuals, making it a density-independent factor.
Understanding the factors that affect population growth is important for predicting and managing population sizes in both natural and human-made ecosystems.
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Related Questions
The water vascular system of echinoderms The water vascular system of echinoderms functions in locomotion and feeding. functions as a circulatory system that distributes nutrients to body cells. moves water through the animal's body during filter feeding. is bilateral in organization, even though the adult animal is not bilaterally symmetrical.
Answers
Answer:
The water vascular system of echinoderms functions in locomotion and feeding.
Explanation:
The water vascular system of echinoderms is responsible for the functions in locomotion and feeding. The water vascular system is a hydraulic system that is used by echinoderms for example sea stars and sea urchins, for the purpose of locomotion (movement), food and waste transportation, and respiration. This system is composed of canals connecting numerous tube feet.
B.Fill in the blanka with the correct word given inside the box.
clay. water. sticky. loam
oxygen. sand. plants. particles
7.________ is made up of particles that are tightly packed together.
Very fine 8._________ of rocks can hold much water and become 9._________
when wet.While 10.________ is a mixture of sand and clay,this contains the right mixture of particles of silt,sand and clay.
Answers
Answer:
7=clay
8=loam
9=sticky
10=loam
Which method of waste treatment is LEAST harmful to the environment?
Answers
Answer:
c
Explanation:
because burning burying and landfill are all harmful
what is a tropic level? give an example
Answers
Answer:
Trophic Level Definition. A trophic level is the group of organisms within an ecosystem which occupy the same level in a food chain.
Examples of Trophic Level. Primary producers, or ”autotrophs”, are organisms that produce biomass from inorganic compounds
Explanation:
2. Why are humans considered animals?
A. Their zygotes undergo changes to turn into a blastula.
B. Human cells have cell walls and are unable to move.
C. Humans can reproduce asexually when under stress,
D. Animals and humans are both uni-cellular organisms.
Answers
Answer:
It's A
Explanation:
Had it on a test
Humans are considered animals because as in animals zygotes after cell division turns into a blastula, hence option a is correct.
What are animals?More than any other species, humans are capable of learning new things. Indeed, the majority, but not fully, of what distinguishes us from other animals is anchored in language.
In addition, because we have a backbone, humans are considered to be members of the chordate animal phylum.
The zygote is split into the blastula after fertilization, three germ layers develop in the blastula, which in some species is a hollow ball of cells, during a process known as gastrulation.
Therefore, humans are classified as members of the primate order within the animal group and having the blastula stage, hence option a is correct.
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refer the picture for question please
Answers
Select the correct locations on the image.
in which four locations do hurricanes occur?
Answers
Answer:
Explanation:
Hope that helps
a. A breakdown of U.S. household garbage reveals the largest amount percentage-wise is paper and paperboard. b. In U.S. households most of the water usage is in the bathroom. c. The founder of the modern environmental movement and author of Silent Spring is Rachel Carson d. Deciduous trees such as most pines do not lose their leaves/foliage in winter.
Answers
Answer:
c. The founder of the modern environmental movement and author of Silent Spring is Rachel Carson
d. Deciduous trees such as most pines do not lose their leaves/foliage in winter.
Explanation:
Yes, Rachel Carson is the founder of the modern environmental movement as well as author of Silent Spring. She was an American marine biologist, author, and conservationist which started the modern environmental movement in order to save the environment form pollution. Yes, the Deciduous trees such as most pines do not lose their leaves/foliage in winter, they only lose those leaves that are too old. They are considered as evergreen plants.
Select which statements are a part of natural selection.
organisms better adapted to their environment tend to survive
organisms better adapted to their environment tend to reproduce and increase in number
organisms pass on their traits to succeeding generations.
over time, favorable traits become more common in a population
Answers
Answer:
organisms better adapted to their environment tend to reproduce and increase in number
Answer: *organisms better adapted to their environment tend to survive
*organisms better adapted to their environment tend to reproduce and increase in number
*organisms pass on their traits to succeeding generations.
*over time, favorable traits become more common in a population
Explanation: all of them are correct :)
How did Newton map the orbits of the planets?
Answers
Answer:
Newton developed a mathematical formulation of gravity that explained both the motion of a falling apple and that of the planets. He showed that the gravitational force between any two objects is proportional to the product of their masses and inversely proportional to the square of the distance between them
Explanation:
In the dihybrid cross,
of the parents had black fur and black eyes.
The offspring
.
Answers
Answer: The offspring can have both 100% black fur and eyes or it can vary
In the dihybrid cross,
✔ both
of the parents had black fur and black eyes.
The offspring
✔ varied.
-
The predicted values for the four phenotypes form a
✔ 9:3:3:1
ratio. The simulated values
✔ approximately
match this predicted ratio.
On Edge.
If a person uses up his or her reserve supply of glycogen and still does not eat, the body will break down ____ to provide glucose for the brain.
Answers
Answer:
carbohydrates
Explanation:
this is because even though the person hasn't eaten he or she still has an amount of carbohydrates in the body that can be broken down and its end product glucose will be obtained
Which organism in the food web below is found in the first trophic level of the
ecosystem?
A. Fungus
B. Strangler fig
C. Fruit bat
D. Sloth
Answers
Fungus is the organism in the food web displayed in the image in the first trophic level of the ecosystem.
What is trophic level?Trophic level is defined as the position of an organism in the food chain or food web.
The trophic level consists of organisms at different levels. The first trophic level is made up of producers that initiate the transfer of energy.
According to this question, an image showing a food web is given. The first trophic level in this food web is the fungus because it starts the energy transfer.
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Why do you think it is functionally important that the bones of the os coxae fuse together rather than remain independent bones
Answers
Answer:
Provides more strength.
Explanation:
It is functionally important that the bones of the os coxae fuse together rather than remain independent bones because the fusion of bones of the os coxae increases their strength and they can perform their function very well. If the fusion of bones of the os coxae did not occur and they remain independently so they can't bear the load of the body and so the function is also adversely affected.
if masquiteos have babys in water then can the have babbies in fog
Answers
Maybe, mosquitoes lay eggs in still water like a in pail or bucket
How can a scientist determine if two species are obligate mutualists? The scientist should observe the species in the environment to determine the types of interactions that the two species have. Then, the scientist should transplant each species alone to a new area and simultaneously transplant both species together to see if the single-species transplants die. The scientist should observe the species in the environment, determine the types of interactions that the two species have, and then add an invading species to see if it outperforms one of the other species. The scientist should observe the species in the environment, determine the types of interactions that the two species have, and then transplant both species to a new location to observe if they do better or worse than the individuals in their old location. The scientist should observe the species in the environment, determine the types of interactions that the two species have, and then remove one of the species to see if the other species does not survive.
Answers
Answer:
The scientist should observe the species in the environment to determine the types of interactions that the two species have. Then, the scientist should transplant each species alone to a new area and simultaneously transplant both species together to see if the single-species transplants die
Explanation:
When two species are obligate mutualists, both species benefit one another in such a way that one cannot survive without the other. Hence, in order to find out if two species are indeed obligate mutualists, they should be transplanted together away from other species on one side, and also transplanted individually on another side.
If they are obligate mutualists, the individual transplant would find it difficult to survive and should die in no time while the transplant done together should survive. All other factors being kept constant.
Because the cells of skeletal muscle are relatively large and cylindrical in shape, they are also known as
Answers
Answer:
fibers or tubules.
Explanation:
Importance of the water cycle
Answers
Answer:
because it ensure the availability of water for all livings, 95% of our world is covered with water but most of them are either forzen or under ground and also purifies water which can be ready for reuse.
The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the
Answers
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The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the
[tex] \huge\mathbb{\red A \pink{N}\purple{S} \blue{W} \orange{ER}}[/tex]
The nephron loops of the juxtamedullary nephrons are surrounded by a looping, ladder-like blood vessel called the Peritubular Capillary network
This network is formed by the Efferent artiole to absorb the non waste martial which is flown out in the ultrafiltration of Glomerular capsule .
Pls help me pls this is due today
Answers
protein
Explanation:
beacause its ah. cd
The image shows a rain forest ecosystem. The energy from plants, or producers, acts as the starting point of energy in the ecosystem. This energy is transferred to other organisms in the food web. In which two ways is the total amount of energy conserved in the ecosystem?
Some energy is transferred to the organisms, and the remaining energy is released into the ecosystem as thermal energy.
Bacteria eat the dead bodies of organisms to release the organisms’ stored energy into the atmosphere.
Some energy is transferred to the smaller organisms, and the rest is stored in the bodies of larger animals.
Some energy is transferred to the organisms, and the rest is released by plants in the form of carbon dioxide.
Bacteria eat the dead bodies of organisms, obtain all the energy, and store it in their bodies.
Answers
Answer:
some energy is transferred to the smaller organisms and the rest is stored in the bodies of larger animals
How is an organic compound different from an inorganic compound?
Organic compounds contain carbon atoms bonded to other atoms.
Inorganic compounds contain oxygen atoms and hydrogen atoms.
Organic compounds come only from nonliving things.
Photosynthesis is responsible for organic compounds.
Answers
Answer:
The correct answer is
" organic compounds come only from nonliving things".
hope it helps you
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Organic compounds contain carbon atoms bonded to other atoms. The correct option is A.
What are organic compounds?Any of a wide area of chemical compounds in which one or many carbon atoms are covalently connected to atoms of other elements, most commonly hydrogen, oxygen, or nitrogen.
Carbides, carbonates, and cyanides are among the few carbon-containing compounds that are not classified as organic.
The main distinction between organic and inorganic compounds is that organic compounds always contain carbon, whereas most inorganic compounds do not.
Furthermore, almost all organic compounds contain carbon-hydrogen or C-H bonds.
Organic foods are grown without the use of synthetic pesticides, fertilizers, or herbicides.
Organic meat, eggs, and dairy products are derived from animals that have been fed natural feed and have not been given hormones or antibiotics.
Thus, the correct option is A.
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Cell replication is important for reproduction of body cells and reproduction of gametes. Which type of reproduction occurs only in gametes
Answers
Answer:
meiosis
Explanation:
meiosis occurs in reproductive organs
A teacher gave the lab group shown below an "unsafe practice" warning. What is most likely the basis for the teacher's warning?
Answers
In addition to highly repeated DNA sequences and unique (single-copy) DNA sequences, a third class of DNA exists. What is it called, and what types of elements are involved in it
Answers
Answer:
long-read sequencing
Explanation:
a method of dna sequencing under active development
which of the following structures helps our sense of balance
Answers
Answer:
D answer is correct
Explanation:
semi circular helps our sense of balance
Answer:
eardrum
Explanation:
The ear is a sensory organ that picks up sound waves, allowing us to hear. It is also essential to our sense of balance: the organ of balance (the vestibular system) is found inside the inner ear. It is made up of three semicircular canals and two otolith organs, known as the utricle and the saccule
Water evaporates from a lake. Arrange the next steps of the water cycle in the correct order.
Water vapor condenses to form clouds.
Water flows down mountains and hills.
Water falls as rain, snow, and sleet.
Water joins streams or forms
groundwater
Answers
Answer:
1. Water evaporates from a lake
2. Water vapor condenses to form clouds
3. water falls as rain, snow, and sleet.
4. water flows down mountain and hills
5. water joins streams or forms ground water
Repeating cycle
Please help
Please answer correctly
Answers
Answer:
1 a
2 b
3 c
Explanation:
Which of the following does NOT cause weathering?
A. Plants
B. Water
C. Helium
D. Temperature change
Answers
Answer:C
Explanation:
¿Cómo transformamos las fuentes de energía renovable en energía eléctrica necesarias para el desarrollo sostenible de nuestro país?
Answers
Answer:
Answer to the following question is as follows.
Explanation:
Natural energy is used to generate power in renewable technologies. Wind, wave, ocean, hydro, biomass, and solar energy are all potential sources of energy. ... A variety of technologies, such as floating offshore wind farms, biomass power plants, and hydroelectric systems, will be required to achieve this.
Renewable energy production and utilisation will enhance energy security, the environment, the economics, mechanical production, construction, transport, and industry, as well as assist in the creation of new employment. Solar, wind, and biomass energy can fulfil local energy demands while also helping to enhance environmental protection.
