Suppose a species of nonpoisonous snake is dark-colored, and a species of poisonous snake is brightly colored. predators recognize the bright colors of the poisonous snake and stay away from it, but they frequently feast on the nonpoisonous snake. some nonpoisonous snakes, like the king snake look a lot like a poisonous variety. in this case, the king snake looks like the deadly coral snake. the king snake is not attacked by predators and survives. this adaptation which allows for natural selection is called a) mimicry. b) evolution. c) camouflage. d) variation.

Awire-hair terrier and a smooth-hair terrier are mated. the offspring produced are 6 wire-hair puppies and 2 smooth-hair puppies. a. what pattern of inheritance best describes this situation? b. what is the genotype(s) of the wire-haired puppies? of the smooth-haired puppies? c. what would be the expected genotype and phenotype ratios of a mating between 2 wire-haired terriers that are heterozygous?

Which of these substances does not protect against invaders in the nonspecific immune response? a. saliva b. mucus c. tears d. urine

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