Why does contact with animals increase the risk of influenza infection? a. increased population density occurs with animal contact. b. influenza can also infect and be carried by animal species. c. interaction with animals can decrease the vaccine's effect. d. animal contact decreases immune system responsiveness.

Which is it a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

The (blank) states that all loving things are made of cells.