During which phase of photosynthesis is carbon dioxide used? summarize these reactions in a paragraph.

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

What is the membrane that sheath of schwann cell containing cytoplasm and nucleus that encloses myelin

Which statement describes how favorable traits in a population relate to natural selection? they are the only traits that ever exist in the population. they build in the population over time. they are rarely passed on to offspring. they are found only in a few individuals within the population.