VG_Exit Ticket_Ecosystem Interactions #3

Which of the following is an example of a biotic factor that organisms in an ecosystem might compete for?

• Sunlight

• Food

• Water

• Soil

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TEKS.SCI.6.12A

A group of deer in a forest all eat the same type of grass. What might happen if the amount of grass decreases?

• The deer will stop eating altogether.

• The deer will compete more for the remaining grass.

• The deer will start eating rocks.

• The deer population will immediately increase.

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TEKS.SCI.6.12A

Which abiotic factor would most likely limit the growth of plants in a desert ecosystem?

• Abundance of food

• Availability of water

• Number of predators

• Amount of shelter

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TEKS.SCI.6.12A

A pond ecosystem experiences a long period without rain, causing water levels to drop. Predict how this change might affect the fish population in the pond.

• The fish population will increase rapidly.

• The fish population may decrease due to less available water.

• The fish will start living on land.

• The fish will not be affected at all.

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TEKS.SCI.6.12A

Imagine a forest where a disease kills many of the trees, reducing the amount of shade. How might this change affect the populations of shade-loving plants?

• The shade-loving plants will thrive.

• The shade-loving plants may decrease because there is less shade.

• The shade-loving plants will not be affected.

• The shade-loving plants will turn into animals.

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TEKS.SCI.6.12A

A drought causes the water level in a lake to drop significantly. Using reasoning, what might happen to the populations of organisms that depend on the lake?

• All populations will increase.

• Some populations may decrease due to less water and food.

• The populations will not change.

• All organisms will move to the ocean.

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TEKS.SCI.6.12A