B?

Which describes the food chain for a human, squirrel, fox, and acorn?

A.

human→ fox→ squirrel→ acorn

B.

acorn→ squirrel→ fox→ human

C.

squirrel→ human→ fox→ acorn

D.

fox→ squirrel→ acorn→ human

When the body is attacked by a foreign substance, the what defenses are the first to react

Upon his visit to Uganda, Churchill described the landscape as a "beautiful garden of death" because so many individuals were chronically infected with African Sleeping Sickness.

Darwin called this idea of certain traits being selected in order for an organism to reproduce sexual selection. In crickets and frogs, males call to attract mates and females are attracted to superior males by characteristics of their calls.

A turgid plant cell would be found in which type of enviroment

Why is protein synthesis important? Select one: a. because it is the process which gets your DNA's information to make the proteins which make up many of your traits b. because it is essential in repeating the DNA sequence within the nucleus c.

Discuss how protein kinases function to produce signal amplification in a cell

What is the name of the process in which glucose is converted to pyruvic acid?

Self-fertilization is avoided in sponges because a. there is no way for sperm to enter the sponge. b. the sperm do not possess the enzyme needed to penetrate the egg. c. sperm and eggs are not produced at the same time. d.

In the measurement of blood pressure, what are the units expressed as?

A scientist is studying the respiration reactions carried out by a certain bacterium. Which of these would indicate that the respiration reactions occurring are anaerobic? A. Ethanol is produced. B. Ethanol is produced. C. Glucose is consumed D.