Q: Because these components of the endocrine system are transported via blood, they get diluted and are present in low concentrations when they act on their target cells. Choices: - enzymes - antibodies - minerals - hormones A:
hormones

Q: Corals build hard exoskeletons that grow to become what? Choices: - algae - stability reefs - fungi - coral reefs A:
coral reefs

Q: Q: What is defined as an organism in the earliest stages of development? Choices: - a zygote - a gamete - an nucleus - an embryo A:
A: an embryo

Question: Q: What is the common term for erythrocytesare, specialized cells that circulate delivering oxygen to cells and are formed from stem cells in the bone marrow? Choices: - plateletes - white blood cells - monocytes - red blood cells A:
Answer: red blood cells

*Question*
Q: What do microbes use to make food? Choices: - nitrogen - sunlight - plants - chemicals A:
**Answer**
chemicals

Q: Q: Where do most of the digestion reactions occur? Choices: - liver - large intestine - mouth - small intestine A:
A: small intestine