Populations and the Environment

Question 1

Which factors in this image are biotic? Check all that apply.

Revolt · Accepted Answer

bears; plants; birds

Question 2

Question 2

Revolt · Accepted Answer

4

Question 3

Question 3

Revolt · Accepted Answer

1

Question 4

Question 4

Revolt · Accepted Answer

2

Question 5

This picnic table was made from fallen trees in a local forest. Is this picnic table a biotic or an abiotic factor? Explain your answer.

Revolt · Accepted Answer

The picnic table is a biotic factor because it was made from fallen trees, which were once living organisms.

Question 6

Put the levels of organization of an ecosystem in order from smallest (1) to largest (4). community ecosystem organism population

Revolt · Accepted Answer

3; Selection 1: 3; Selection 2: 4; Selection 3: 1; Selection 4: 2

Question 7

Which image represents a population?

Revolt · Accepted Answer

[Image: A large group of penquins....]

Question 8

Use the image and the drop-down menus to match the parts of an ecosystem to each description. All the zebras: Zebras, gazelle, giraffes, trees: A giraffe: Gazelle, zebras, giraffes, water, trees, soil:

Revolt · Accepted Answer

population; Selection 1: population; Selection 2: community; Selection 3: organism; Selection 4: ecosystem

Question 9

The leaves of plants contain specialized parts that absorb energy from sunlight. Which feature would help a plant better compete for sunlight?

Revolt · Accepted Answer

larger overall leaf size

Question 10

Although they are different species, woodpeckers and squirrels both live in holes in trees. What resource are these species competing for?

Revolt · Accepted Answer

space or shelter

Populations and the Environment Answers

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