In certain plants, sperm are released and swim through standing water to find the archegonia. Which statement correctly describes the plants involved? A. The plants are gymnosperms and they have formed diploid zygotes.
B. The plants are bryophytes and they have formed diploid zygotes.
C. The plants are gymnosperms and they have formed haploid zygotes.
D. The plants are bryophytes, and they have formed haploid zygotes.

Which medullary index indicates a human hair? a. 0.653 b. 0.733 c. 0.516 d. 0.256

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.

Agroup of plant cells was exposed to radiation, which damaged the chloroplasts and caused them to lose function. if the mitochondria were unharmed, what would happen to the overall function of the plant cells? a. the cells would not be able to make food, but would be able to release energy from biomolecules. b. the cells would not be able to replicate dna, but would be able to break down waste. c. the cells would not be able to break down waste, but would be able to replicate dna. d. the cells would not be able to release energy from biomolecules, but would be able to make food.