The Earth is populated mostly by unicellular organisms, such as bacteria. However, there are many multicellular organisms as wel

Which of the following is a multicellular organism?

A

flower

B

human

C

all of these

The absorptive process that requires energy in the form of atp is

If a person has lost a significant amount of blood but still maintains a normal blood pressure it does not necessarily mean that the person is maintaining adequate perfusion.

3) Which of these statements best summarizes the cell theory? a. Cells are the building blocks of living things C. All cells contain a nucleus and other parts b. Cells can be seen through a microscope d. Cells come in different shapes and sizes

Which of the following would you least likely find living in the chaparral biome?

The mass extinction that was most likely caused by the formation and retreat of glaciers was the ___ extinction A. Cretaceous - Tertiary B. End Triassic C. Permian - Triassic D. Late Devonian E. Ordovician - Silurian

1. Which statement most accurately describes the process of respiration? Select one: a. It occurs only in plants during the daylight hours and usually involves the exchange of gases. b.

All cells contain this. The purpose is to direct cellular activities, including protein synthesis. A) DNA B) nucleus C) ribosomes D) plasma membrane

Why do you think species remain in a stage of stasis?

The allele for pattern baldness (B) is dominant, and the non-bald allele (b) is recessive. Susan's mother has the genotype bb, while her father has the genotype BB. Susan and her three brothers all have the same genotype (Bb).

Which function do the nucleus and ribosomes have in common? A They both move easily in and out of the nuclear pores. B They are organelles that control information in the cell. C Neither of them has a nuclear envelope.