Impact on Ecosystem Review

Biotic factors are

• Living

• nonliving

Abiotic factors

• living

• nonliving

Water would be an example of:

• Biotic

• abiotic

Plants following the sun exhibit (show)

• Phototropism

• Geotropism

• Hydrotropism

• Thigmotropism

The plant is following the light.

• Phototropism

• Thigmotropism

• Hydrotropism

• Geotropism

An increase in the amount of nutrients in a lake is known as

• calcification

• cellular respiration

• eutrophication

• photosynthesis

The green plants on the surface of the lake turned out the be algae! There is a sudden increase in the rate of growth of the algae. What would happen next?

• The algae continue to grow due to excess nutrients, and some of the algae die

• The algae would stop growing

• The algae are not affected by the fertilisers

Which animal's adaptation is to grow a thicker coat in winter?

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Camouflage means to —

• travel from place to place

• blend into the surrounding environment

• store food before cold weather arrives

• go to sleep for the winter

During winter, trees are in a state of —

• dormancy

• migration

• hibernation

• growth