Compare/contrast  food webs vs. food chains  energy vs. biomass pyramids vs. pyramid of numbers

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous

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.