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Overfishing-fish and shellfish populations dropping quickly because they are being removed from oceans faster than they are able to reproduce
Habitat destruction- the process by which a habitat is damaged or destroyed to such an extent that it no longer is capable of supporting the organisms that live there
Artificial reefs- human-made underwater structure built to promote marine life
Runoff-water that moves across the land surface and into streams and rivers
Fertilizer-a chemical or natural substance added to soil or land to increase its fertility
Phytoplankton-photosynthetic algae found near the surface of the ocean
Resource- any necessity of life, such as water, nutrients, light, food, or space
Dependence-the state of relying on or being controlled by someone or something else
A farmer grazes 75 head of cattle in a sloped field. He fertilizes the field once a year and the cattle also leave manure in the field while grazing. Which of the following could occur in the river that the field slopes into?
A. Water life in the river would increase due to more grass growth in the field above.
B. Water life in the river would decrease due to less dissolved oxygen being in the water.
C. Water life would drop then adapt within two generations to the increase in nitrogen in the water.
D. The runoff will affect not only the water animals but eventually increase the growth in water plants clogging the waterway.
Practice answering the following STAAR questions
Practice answering the following STAAR questions
Answers: G, G, A
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