What is a major function of vacuoles in a eukaryotic cell?

17. How does active transport differ from all other forms of transportation? A. It shifts from high to low B. It maintains homeostasis C. It creates an equilibrium shift D. It requires energy

When several sugar monomers join together, what is formed?

Tropical areas receive the most solar radiation because A. the Sun's rays are nearly perpendicular to Earth's surface. B. the air is thinner, causing more of the Sun's rays to reach the surface. C.

The number of zebras in the zoo is considered a

Which organisms in this food web can be described as both primary and secondary consumers? A. Hawks B. Weasels C. Raccoons D. Mice

Which of the following statements is not true about absorbency use to soak up different leagues and

DNA replication results in: Group of answer choices 2 DNA molecules that each contain a strand of the original 1 new molecule of RNA 1 new DNA molecule, 1 old molecule is conserved 2 completely new DNA molecules

5. Which is the first step of the scientific method?

Identify the four postulates of natural selection. Select all that apply. 1. Individuals in a population all possess the same traits. 2. All individuals in a population have equal reproductive success. 3. Some trait differences are heritable. 4.

Competition is central to the theory of natural selection. why does competition occur?