After an ice age, the sheets of ice would either recede or melt and leave bare rock. what would happen next?
a. primary succession would begin.
b. secondary succession would start.
c. small animals would move in.
d. large trees would start growing as small saplings.

When plants use sunlight to make food, the energy of sunlight is

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen

Which statement best describes how the nucleus, the rough endoplasmic reticulum, and ribosomes interact during protein synthesis?