The testes 5. Identify the feedback mechanism that maintains your body temperature when your surroundings are very
hot.
The brain sends a message to the skin. The muscles in the skin contract, or shiver, to cool the bod

Suppose a scientist measures the amount of dna per cell of a particular diploid species at various stages of meiosis. she finds that the meiotic cells contain 3.7 pg , 7.3 pg , or 14.6 pg of dna. match each stage of the cell cycle to the corresponding amount of dna contained within a cell at that stage.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Many humans consume both plants and animals. these humans are considered to be which of the following? herbivores carnivores omnivores