Answer:
A. an increase in sea urchin biomass is associated with more intense grazing.
Answer:
Explanation:Plants and other autotrophs absorb nutrients from soil and water. Autotrophs are organisms that can make their own food. The most important nutrients they need are carbon, hydrogen, and oxygen. Other nutrients needed by plants are nitrogen, phosphorous, potassium, calcium, magnesium, and sulfur.
Answer:
make me brainest
Explanation:
the heart , blood, blood vessels form the circulatory system
Answer:
the pulse or the temperature of the body
The zygote must contain genetic information from the mother and from the father, so the gametes must contain half of the chromosomes found in normal body cells.
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