The air space or material between two charged bodies that prevents the discharge of electricity from one body to the other is the

a. insulator.

c. dielectric.

b. medium.

d. conductor.

Which statement is true about microevolution? A. It's evolution within a single population. B. It's evolution of small organisms. C. It's evolution within small populations.

Dung beetles live in regions where cattle graze, quickly burying and recycling cattle droppings. Because of the dung beetle's activities, breeding habitats and resources for disease-carrying flies are reduced and the plants upon which cattle feed

Lamarck's idea of the "inheritance of acquired traits" proposed that A. in animals, traits that are used often will grow and change shape. B. acquired traits are passed down from parent to offspring. C.

The symbols, -, and 0 are to be used to show the results of interactions between individuals and groups of individuals.

A biohazard is a toxic or infectious agent posing a threat to humans or the environment. Are you familiar with the terms related to biohazards? Drag each term to its definition.

In multicellular organisms, specialized cells perform specialized functions. Which of the following cells is specialized for engulfing foreign material?

Which one of the following is a requirement for a good primer? Select one: a. Guanine and Cytosine should make up less than half of the total base pairs b. Melting temperatures of primer should be between 55-80 degree Celsius c.

Do all polypeptides have tertiary structures

What is a characteristic of an enzyme

Types of reproductions and describe them.