All amphibians and most land-dwelling invertebrates are able to alter their metabolic rates to maintain a constant internal body temperature
able to have a net loss of heat across a moist body surface, even in direct sunlight
ectotherms whose internal temperatures vary with environmental conditions
endotherms that become thermoconformers when in water environments

What role does differential reproduction play in natural selection? ! a) some organisms have different reproductive success due to nongenetic traits. b) some organisms have traits that them reach reproductive age. c) different methods of reproduction result in some organisms being genetically altered. d) reproduction varies among organisms due to pathogenic factors. the answer is not a or d based on other posts.

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

You can tell from this karyotype that the individual is female because the karyotype has two chromosomes labeled