Answer:
a) is a way for a cell to give information about its activities.
Explanation:
Antigen processing and presentation is the process in which an antigen presenting cells expresses a peptide antigen on its cell surface in association with a classical class molecules
Answer: The moths will go through natural selection to go from white to a dark color to blend in with the dust.
Explanation: Due to natural selection, the white colored moths will die because they are easier to spot in a dark environment while the darker moths will have a better chance of living until they can reproduce, passing down their adaptations.
Explanation:
carbon dioxide is taken into the plant through the air
Answer:
B. Australia is isolated
Explanation:
They originated in South America and spread throughout the world, but due to competition on other continents, the other marsupials died out, while the ones on Australia lived.