Amelia has observed water run off into the ocean in many places and for many years. The level of the water in the ocean does not seem to have changed. Why?
A. Water evaporates from the ocean's surface.
B. Some ocean water freezes and becomes glaciers.
C. Salt makes ocean water heavier so it takes up less space.
D. Water seeps into the ocean bed and becomes ground water.

answer; polycythemia is the correct answer;

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)

a researcher conducts an experiment on the secretion of a particular hormone in mice. scientists inject mice with a substance that stimulates the production of the hormone. the scientists then test the levels of hormones produced by the mice. the tool used to measure the hormones consistently detects the levels at 10 points lower than the actual hormone levels in the mice. this tool makes measurements, but the measurements aren't .

explanation:

no u