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Dynamics of Ecosystem PopQuiz

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Last updated about 1 month ago
17 questions
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Question 1
1.

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

Question 2
2.

Biotic factors are the __________ things in an environment.

Question 3
3.

Abiotic factors are the __________ things in an environment.

Question 4
4.

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

Question 5
5.

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

Question 6
6.

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

Question 7
7.

The specific environment in which an organism lives is called

Question 8
8.

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

Question 9
9.

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?

Question 10
10.

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?

Question 11
11.

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?

Question 12
12.

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?

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Question 14
14.
The introduction of invasive species to an ecosystem can change the dynamic of the _______ among the species.
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Question 15
15.
Disruptions to any physical or biological components of an ecosystem can lead to shifts in all of its _______.
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Question 16
16.
Volcanoes and earthquakes are _______disturbances that affect ecosystems.
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Question 13
13.

Match each term to the correct definition

Draggable itemarrow_right_altCorresponding Item
dynamic
arrow_right_alt
constant change or progress
resilience
arrow_right_alt
all the biotic or abiotic factors of an environment
ecosystem
arrow_right_alt
the ability to recover from a disturbance
ecosystem dynamics
arrow_right_alt
a group of individuals of the same species
population
arrow_right_alt
changes in ecosystem factors over time
Question 17
17.

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