Crocodile Steve was killed doing what he loved best - hanging out in the water, observing the wildlife around him. One wildlife adaptation cost Steve his life. Stingrays, catfish, and scorpion fish all have an adaptation that helps protect them against predators. This adaptation is

a. venom

b. mimicry

c. camouflage

d. electric organs

During crossing-over, a. genetic material is exchanged between nonsister chromatids, resulting in new combinations of alleles. b. nonsister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. c. one homologous chromosome of a tetrad is exchanged with another tetrad, resulting in new combinations of alleles. d. sister chromatids from each homologous chromosome of a tetrad are exchanged, resulting in new combinations of alleles. e. genetic material is exchanged between sister chromatids, resulting in new combinations of alleles.