In angiosperms, each pollen grain produces two sperm. what do these sperm do?

Round seeds and yellow seed color are dominant to wrinkled seeds and green seed color. Which Punnett square represents the correct way to set up the cross RRYy ' RrYY?

Which of the following factors is biotic? A: Space B: Food C: Sunlight D: Water

Brian often interrupts his teacher while she is speaking and frequently forgets to complete his homework assignments. He also has difficulty taking turns in playground games with classmates. Brian most clearly exhibits symptoms of DID. OCD. PTSD.

In a survivably cold environment, an ectotherm is more likely to survive an extended period of food deprivation than would an equally sized endotherm because the ectotherm

What is not true of deuterostomates? a. Eucoelomic. b. Open digestive system. c. The mouth forms from the blastopore. d. Triploblastic. e. Mark "e" if all statements are true.

What was the result of the human genome project?

During periods of extreme stress a client may experience elevated blood pressure, dilated pupils, and increased respirations. these unconscious responses originate in which part of the brain?

It takes about 8 minutes 20 seconds for light (or radio waves) to travel from the sun to Earth. In the future, when there is a human colony orbiting Saturn, about how long will it take you to send a message from Earth to that colony? A. 71.25 s B.

How does King Hamlet die? A. His wine glass is poisoned. B. He is thrown off a bridge. C. He is bitten by a snake. D. Poison is poured in his ear.

A group of people? A:perspectives B:insituitions C:commuinty D:circumstances