Match the type of of evidence for evolution with the correct example.
Ostriches have wings similar in form to those of their
ancestors, but that do not allow the birds to fly.

Genes involved in RNA replication are conserved among
bacteria and animals, suggesting a common evolutionary origin

The inner ear bones of mammals have evolved from
bones that form the jaws of reptiles.

The jointed legs of insects and vertebrates arose
independently, indicating a different evolutionary origin.
OPTIONS
vestigial structures
homologous structures
analogous structures
DNA sequence data
Match the type of of evidence for evolution with the correct example.

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal responds by in order to its core temperature?

Which of the following statements is correct in hour our immune system responds to a potential pathogen? a. the adapted immune system will call on the innate immune system to destroy the pathogen. b. b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c. the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. d. the t-cells in the adapted immune systems are the first to recognize the pathogen vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a. antigen, antibody b. antibody, antigen c. antibody, antibiotic d. antibiotic, antibody

Which nutrient tends to cycle within a single ecosystem?