The primary purpose of the digestive system is to create human tissue from nonhuman foods

provide energy for useful work

break down food into a size that can be absorbed

produce feces and other wastes

The following statements pertain to the development of the theory of the structure of DNA. Match the statement with the appropriate step (observation, hypothesis, experiment designed to test hypothesis) in the scientific method. a.

Asexual reproduction in yeasts occurs by budding. Due to unequal cytokinesis, the "bud" cell receives less cytoplasm than the parent cell.

What is a cyclone? what are the two types of cyclone and how do they differ?

A physicist wants to examine the characteristics of new material. The physicist will most likely do so by what method?

Select ALL the correct answers. Which statements are true regarding an energy pyramid? The number of producers is greater than the number of primary consumers.

The role of an organism in the ecosystem is called its A. niche B. habitat C. species D. environment

Which condition will increase the rate of chemical reaction?

Why does DNA has an overall negative charge?

Malfunctions of the mitochondria can cause a number of disorders. Which statement best explains how mitochondrial problems can affect an organism?

Why are gasses Poor conductors of heat?