The picture below shows two organisms, a lily pad and a frog, that depend on each another by exchanging X and Y Which of the following is represented by X?
A. food
B. clean water
C. oxygen
D. carbon dioxide

Which represents the cross between parent plants if one is heterozygous for yellow-colored pods and the other is homozygous for green-colored pods? yy  ´    ´    ´    ´  yy

The spermists believed that: the male made the only hereditary contribution to the offspring the male and female traits were blended in the offspring the female made the only hereditary contribution to the offspring the male and the female made equal contributions to the next generation

What best describes emerging scientific ideas