Lewis is running in a race. His muscles need oxygen. Which best describes how multiple systems interact to bring him into homeostasis?

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells

All individuals have two alleles for a given trait. according to mendel's these alleles are passed down one each from both mother and father.

The theories on the expansion of galaxies maybe re-examined to strengthen science should not be tested to strengthen science will weaken scientific knowledge if they change will become laws if they don't change