Water vapor exits and CO2 enters a leaf through the

After the eighth week of pregnancy, the developing offspring is known as

Which equation shows a disaccharide with the monosaccharides that make it up

Human cells have a size range between ___ and ___ micrometers (µm). Answer 10-100 1-10 100-1000 1/10-1/1000

Why is the digestive system not considered as an excretory system even though it gets rid of wastes?.

Which statement about inheritance is true? Girls get most of their traits from their moms; boys get most of their traits from their dads. Male offspring will always have an X-linked genetic disease if the mom is a carrier.

Another name for an oxidizing agent is a (n) Group of answer choices electron acceptor. hydride transfer reagent. electron donor. electropositive metal. reductant.

How many chromosomes do human cells have

Explain why an ecological pyramid can be used to illustrate energy flow from one trophic level to the next in an ecosystem.

Which of the following are NOT used to read DNA sequences? a. nucleotides c. fluorescent dyes b. gels d. double-stranded DNA molecules

4. Which of the following might be included in an ecological community Select all that apply. A) plants and animals b) multiple organisms C) abiotic factors d) multiple ecosystems e) a water source f) multiple populations