The photo shows a series of stages in the growth of a chicken. Which three processes do the cells of an embryo in an egg perform as it changes to a chick?
Which three processes do the cells of an embryo in an egg perform as it changes to a chick?

A: They take in new genes.
B: They increase in number.
C: They increase in size
D: They take in nutrients.

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо