Males of some species have proteins in their ejaculate that cause the female to be less attractive to other males for some period of time. such a trait probably evolved initially through but could also lead to if remating is beneficial for females
a) male-male competition; female choice
b) runaway selection; female choice
c) male-male competition; sexual conflict and antagonistic coevolution
d) female choice; sexual conflict and antagonistic coevolutio

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

The term autotroph refers to an organism that: a. uses co2 for its carbon source. b. must obtain organic compounds for its carbon needs. c. gets energy from sunlight. d. gets energy by oxidizing chemical compounds. e. does not need a carbon source

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins.true or false.