*Question*
If some viruses have an envelope of body fats and proteins, then besides proteins, what do some viruses have an envelope of? Answer choices: - bioaerosols - parasites - more abundant - gravity - heat energy - Energy - red blood cells - body fats
**Answer**
body fats

*Question*
If richard's shield has a pride on it, then what social group is on Richard's shield? Answer choices: - humans - insects - people - A pride. - fur seals - animals - bears - mammals
**Answer**
A pride.

*Question*
If cosmetic testing has a negative impact on the population size of that species, then what has a negative impact on the population size of a species? Answer choices: - Pesticides - influenza - steroids - liver cancer - cloudy and rainy weather - massive damage - cosmetic testing - killing insects
**Answer**
cosmetic testing

*Question*
If behaviors that improve fitness increase through evolution, then what do behaviors that improve fitness increase through? Answer choices: - density - evolution - Plants growth - gravity - animals - competition - death - environment
**Answer**
evolution