Why is evolution considered a theory?

A. It was proposed by a scientist.

B. It cannot be proven.

C. It is a guess about what happened.

D. It is backed up by scientific evidence.

True or false mass is measured in pounds

An area that is undisturbed by human activity is a

What's more likely an objects whose mass is 0 or object whose weight is 0

What is a ectothermic vertebrate? And out of these is one? A. butterfly B. lizard C. eagle D. dog

What is the difference in prophase one and prophase two?

What would you expect to happen if sea otters were removed from this food web? Check all that apply. The population of elephant seals would decrease. The population of kelp crabs would increase. The population of kelp would increase.

When blockages in the bloodstream read the Brian it can cause blank?

A gazelle is born with slightly longer legs which allow it to run faster than the other gazelles in the herd. This adaptation came may have come about because a. the gazelle needed to be able to run faster. b.

In a population of deer mice, the allele for white hair is recessive and the allele for brown hair is dominant.

What makes a molecule a saturated fat?