Dynamics of Ecosystem PopQuiz

5

If the population of predators suddenly increases, what would you expect to happen to the population size of the prey?

5

Biotic factors are the __________ things in an environment.

5

Abiotic factors are the __________ things in an environment.

5

If you remove an abiotic factor (rocks, soil, water, wind, sunlight, temperature, etc.) from the environment, it will not affect the biotic factors in the environment

5

A dead tree is considered a biotic factor because it was once living.

5

In the picture above, energy from this ecosystem originally comes from?

1

The specific environment in which an organism lives is called

1

A _______________is a group of organisms that interbreed and produce fertile offspring

1

Information on brown tree snakes is provided along with information on the island of Guam. Brown tree snakes were first brought to Guam in 1950.
Which of the following would provide evidence that the change to this environment brought about by the introduction of the brown tree snake has had an effect on the populations of organisms that lived on Guam?

1

A physical disruption to an ecosystem occurred when a highway was built through a forest. Which of the following would provide evidence that the addition of a highway to this forest affected populations?

1

Bank swallows are birds that make their nests on the edges of rivers. Bank swallows can’t swim or breathe underwater. They feed on flying insects and, in the spring, lay four or five eggs. Which of the following observations would provide evidence that the population of bank swallows was affected by a change in the environment?

1

Trout is a fish that lays its eggs in cold fresh water but spends some of its life in the ocean. Trout eat smaller fish. The graph provided shows the population of trout in the state of Wisconsin between the years 1999 and 2014.
A shift in ocean currents that occurred in 2000 and again in 2001. Which change to the ecosystem had the largest effect on the the population of trout in Wisconsin?

5

1

The introduction of invasive species to an ecosystem can change the dynamic of the _______ among the species.

1

Disruptions to any physical or  biological components of an ecosystem can lead to shifts in all of its _______.  

1

Draggable item		Corresponding Item
resilience		constant change or progress
ecosystem

Draggable item		Corresponding Item
resilience		constant change or progress
ecosystem		all the biotic or abiotic factors of an environment
population		the ability to recover from a disturbance
dynamic		a group of individuals of the same species
ecosystem dynamics		changes in ecosystem factors over time

Dynamics of Ecosystem PopQuiz

If the population of predators suddenly increases, what would you expect to happen to the population size of the prey?

Biotic factors are the __________ things in an environment.

Abiotic factors are the __________ things in an environment.

If you remove an abiotic factor (rocks, soil, water, wind, sunlight, temperature, etc.) from the environment, it will not affect the biotic factors in the environment

A dead tree is considered a biotic factor because it was once living.

In the picture above, energy from this ecosystem originally comes from?

The specific environment in which an organism lives is called

A _______________is a group of organisms that interbreed and produce fertile offspring

A physical disruption to an ecosystem occurred when a highway was built through a forest. Which of the following would provide evidence that the addition of a highway to this forest affected populations?

If the population of predators suddenly increases, what would you expect to happen to the population size of the prey?

Biotic factors are the __________ things in an environment.

Abiotic factors are the __________ things in an environment.

If you remove an abiotic factor (rocks, soil, water, wind, sunlight, temperature, etc.) from the environment, it will not affect the biotic factors in the environment

A dead tree is considered a biotic factor because it was once living.

In the picture above, energy from this ecosystem originally comes from?

The specific environment in which an organism lives is called

A _______________is a group of organisms that interbreed and produce fertile offspring

A physical disruption to an ecosystem occurred when a highway was built through a forest. Which of the following would provide evidence that the addition of a highway to this forest affected populations?

Match each term to the correct definition

Removing a habitat by cutting down trees or draining a lake is a __________ disturbance that affects an ecosystem.

Match each term to the correct definition

Removing a habitat by cutting down trees or draining a lake is a __________ disturbance that affects an ecosystem.