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Eco practice 1

Authored by Charles Slagle

Biology

9th - 10th Grade

Used 3+ times

Eco practice 1
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7 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which of the following descriptions about the organization of an ecosystem is correct?

Communities make up species, which make up populations.

Populations make up species, which make up communities.

Species make up communities, which make up populations.

Species make up populations, which make up communities.

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

In what way are herbivores and carnivores alike?

They both use photosynthesis to make their own food.

They both obtain energy by consuming other organisms.

They both directly consume producers.

They both are considered to be autotrophs.

3.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Media Image

What goes in Box 5 of the food web in Figure 3–2?

herbivores

scavengers

carnivores

decomposers

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Organisms need nutrients in order to

utilize hydrogen and oxygen.

carry out essential life functions.

recycle chemical compounds.

carry out nitrogen fixation.

5.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

The movements of energy and nutrients through living systems are different because

energy flows in one direction, and nutrients recycle.

energy is limited in the biosphere, and nutrients are always available.

nutrients flow in one direction, and energy recycles.

energy forms chemical compounds, and nutrients are lost as heat.

6.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Which is an example of how biotic and abiotic factors interact?

Sunlight increases the temperature of pond water.

Water and soil mix together to make mud.

Tree roots split apart rocks in the ground.

Humidity in the air forms fog in a valley.

7.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

Media Image

Which of the following is a food chain in the food web shown in Figure 3–4?

tree, rabbit, hawk, snake

grass, grasshopper, snake, hawk

grass, caterpillar, robin, hawk

tree, deer, mountain lion, fox

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