Which of the following can be used to measure the rate of photosynthesis?

A. light intensity (%)

B. oxygen production (mL/hr)

C. temperature

D. CO2 level

What is hypothesis testing?

Why don't cyanobacteria and bacteria reproduce by mitosis? A. Because they are not organisms B. they are not cells C. they do not contain chromosomes D. all of the above

Photosynthesis continues to increase with temperature. true true within limits not true

Explain how a child with blonde hair can be born from two parents with brown hair.

Four friends were talking about human DNA, genes, and chromosomes. They each had different ideas about where these structures were found. This is what they said. Bella: "I think DNA is found on genes." Kyra: "I think chromosomes are found on genes.

Which is an example of commensalism in the tropical rainforest? a. parasites feed on the sloth's body. b. sloths are food for other animals. c. algae live in a sloth's fur, providing it with camouflage. d. insects lay eggs in the sloth's waste.

Why do you think the caterpillar is colored green?

A punnet square predicts a 9:3:3:1 ratio for phenotypes. Explain what that ratio means ...

What is the meaning of virus?

A 6-year-old boy has marked edema of the legs, accumulation of fluid in the abdomen, and a low blood serum albumin and total serum protein. his urine contains large amounts of protein. what is the most likely cause of edema?