State one way the white blood cells protect the body from foreign microbes

Earth has undergone some catastrophic changes from time to time. Which of these most likely explains why life on Earth continued following these catastrophes? A. A wide diversity of species existed. B. Dominant species had a slow mutation rate. C.

Which type of selection tends to increase genetic variation? a. Disruptive selection b. Stabilizing selection c. Directional selection

Which of these is an organ? A. white blood cells B. heart C. connective tissue D. digestive system

Which of the following is most likely to be amorphous? glass solid sulfur solid calcium gold

How is the human body similar to a single cell give 2 examples

When several of the same species live and interact with other species in an ecosystem it is called a?

All of the white-tail deer living in an ecosystem are considered a A - family B-community C-population D-biome

Because plate movements have raised ancient sea floors above sea level, a. There is less coral than there used to be. B. Coral reefs are only found in the deep oc

which season is occuring in Earth's northern hemisphere when Earth's southern hemisphere is tilted toward the sun?

Could a person inherit homozygous recessive alleles for both alkaptonuria and and phenylketonuria? If so, what would the symptoms be?