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Benchmark Science Review: 6LS2.1, 6LS2.7, 6LS2.2

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Last updated about 1 year ago
20 questions
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Question 1
1.

Which of the following lives in a prairie
ecosystem?

Question 2
2.

Which of the following is a biotic factor?

Question 3
3.

Which of the following lists the levels of an ecosystem in order from largest to smallest?

Question 4
4.

An organism gets food, water, shelter, and other things it needs to live, grow, and reproduce from its

Question 5
5.

The size of a population increases if the number of individuals added to the population is equal to the number of individuals leaving the population.

Question 6
6.

Three coyotes per square kilometer is an example of population density.

Question 7
7.

Sunlight can be a limiting factor for populations of plants.

Question 8
8.

For populations, water and food are examples of...

Question 9
9.

A population can decrease due to its deaths or...

Question 10
10.

If animals cannot find enough places to build nests, it is because ____________ is a limiting factor for the population.

Question 11
11.

When a snake kills a shrew, the shrew is the

Question 12
12.

A relationship in which two species live closely together and both benefit is

Question 13
13.

The role of an organism in its habitat is its

Question 14
14.

Adaptations are behaviors and social characteristics that allow organisms to live successfully in their environments.

Question 15
15.

A grackle and a sparrow try to eat from the same ear of corn in a field. This is an example of

Question 16
16.

An increase in a predator population will likely result in a decrease in the prey population.

Question 17
17.
Question 18
18.

Oxygen is a(n) ___________in the environment that is important for plants to make their own food.

Question 19
19.

A Tasmanian devil growling to protect its food source is called __________ communication.

Question 20
20.

The main way that populations increase in size is through the ___________ of offspring.