Why would some fish have reproductive behaviors that include spawning over a period of time? . Why would some fish have reproductive behaviors that include spawning all at once?

How would the presence of an egg-eating predator affect the probability a fish will successfully reproduce?

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. which punnett square represents the correct way to set up the cross rryy  ´  rryy? 

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these