Question 5 Why are sperm and egg cells haploid when every other cell in our bodies are diploid?
o If sperm and eggs cells were diploid, a baby would have one copy of each chromosome
O If sperm and egg cells were diploid, a baby would be diploid too
o If sperm and egg cells were diploid too, a baby would have 4 copies of chromosomes

Which of the following describes a negative feedback loop? when the heart rate is too high, the body sends hormones that continually increase the heart rate higher. when a pregnant woman is in labor, the body sends hormones that increase the intensity of contractions, which then increases the secretion of the same hormones. when blood sugar is too low, the body sends hormones that raise blood sugar until it reaches a typical level and hormone secretion slows. when a person is jogging, the body sends hormones that continually decrease the rate of oxygen supply to the legs.

Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?

The most famous fossil called archaeopteryx is which of the following? a dinosaur a fern a fish a bird