A substance that can not be broken down into any simpler substances is called?

Patient 1 and patient 2 both had a transplant. Which explains why patient 1 had a successful transplant and patient 2 did not?

The most abundant chemical compound found in the human body is

Which of the following is not a domain? a.) Archaea b.) Eukarya c.) Plantae d.) Bacteria

What is a likely consequence of continued human population growth O A Less pollution B. Depleted natural resources O C. More rain forests O D. Fewer urban centers

What are the benefits that humans receive from the ecosystems called? A. Sustainability. B. ecology. C. ecosystem services. D. ecological restoration

The mating of a horse and a donkey produces a mule, which is a viable offspring that is infertile. We would conclude that A. A house and a donkey are members of the same species B. A mule can fall into the species lines of both a mule and a horse. C.

How does waste move from the kidney to the bladder in the human excretory systems

A plant uses energy from the Sun to make food. What kind of energy transformation is this? a. light energy to chemical energy b. chemical energy to light energy c. mechanical energy to chemical energy d. light energy to mechanical energy

The major body structures and organ systems form during which trimester

What is the main female sex hormone? is it d? testosterone adrenaline insulin estrogen