Metabolism is . the sum of all vital processes by which food energy and nutrients are made to be available and used by the body. b. the sum of all vital processes by which food energy is made available to be used by the body. c. the sum of all vital processes by which nutrients are made available to and used by the body. d. the sum of all calories consumed and used by the body

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.

Which of the following is a true statements about viruses? viruses have no nucleus. viruses are alive. viruses have a cell membrane. all viruses are deadly.

How far away is the nearest black hole from earth?