What is the meaning of the two celtic words that combine to form "cromlech"?

Climate warming trends allow plant and insect species to inhabit larger ranges. select the best answer from the choices provided

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.