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Population sizes decrease at higher trophic levels. If they increased the insects population would decrease meaning there would be less food available for the birds so their population size would then decrease. Look at the relationships between predator and prey species for more information

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Ebba Hoeger

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3y ago

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Does the population size increase or decrease at higher trophic levels in the pyramid of numbers of an ecosystem consisting of any herbivores and birds feeding on the insects?

Population sizes decrease at higher trophic levels. If they increased the insects population would decrease meaning there would be less food available for the birds so their population size would then decrease. Look at the relationships between predator and prey species for more information


What is one effect of effect of immigration on population living in an ecosystem?

The population will decrease-- APEX


How will this effect the ecosystem as a whole?

The shrimp population will increase which will cause an increase in the squid population.


Biotic factor that affects the size of a population in a specific ecosystem?

Predation is a biotic factor that can affect the size of a population in a specific ecosystem. The presence of predators can limit the growth of a population by preying on individuals. This can result in a decrease in the population size.


What might happen if the population of hawks in ecosystem grows very large?

there would be less nutrients for the plant.


Suppose the population of one species in an ecosystem changes. Could the population of a species that it isn and acirc and 128 and 153t directly a prey or a predator also change?

Yes, a change in the population of one species can impact other species in the ecosystem, even if they are not direct prey or predators. This occurs through various ecological interactions, such as competition for resources, changes in habitat structure, or alterations in mutualistic relationships. For example, if a plant species declines, herbivores that rely on it for food may decrease, which could subsequently affect predators that rely on those herbivores. Thus, interdependent relationships can lead to cascading effects throughout the ecosystem.


How might a large omnivore change the flow of energy in figure 3-4 diagram 2?

A large omnivore in the ecosystem would increase energy consumption by preying on various herbivores and potentially reducing their populations. This would lead to a decrease in herbivores consuming plants, which may lead to changes in plant population dynamics. Overall, the presence of a large omnivore would impact energy flow by altering the balance between producers, herbivores, and carnivores in the ecosystem.


Which part of an ecosystem would be hurt if humans over hunted a herbivore?

Other herbivores


What would happen to the food web if mountain lions or sharks became vegetarians?

the producers would decrease in population as the herbivores which the sharks would have ate, would grow in population.


In a certain ecosystem owls are predators for mice. The owl population increases and they eat more mice. This causes the mouse population to decrease. What happens next?

the population of owls decreases


What factors affect the populations in an?

One factor that can affect the populations in an ecosystem is that, if an ecosystem had owls with no predators, the owl population would increase and eat all the mice in the ecosystems. The population of the mice would decrease more and more.


In a certain ecosystem, owls are predators for mice. The owl population increases, and they eat more mice. This causes the mouse population to decrease. What happens next?

the population of owls decreases. (Apex)