Key Concepts Ch. 1

Question 1

Can be tested with observational studies, or experiments or both.

Answer 1

Hypotheses

Question 2

a body of knowledge about the natural world and an evidence based process for generating that knowledge.

Answer 2

Science

Question 3

The scientific study of the living world.

Answer 3

Biology

Question 4

Begins with observations of nature.

Answer 4

Scientific Inquiry

Question 5

is a direct and repeatable observation of a particular aspect of the natural world.

Answer 5

Scientific Fact

Question 6

a major explanation about the natural world that has been repeatedly confirmed in diverse ways and is accepted as a part of scientific knowledge.

Answer 6

Scientific Theory

Question 7

is a change in the overall genetic characteristics of a group of organisms over successive generation.

Answer 7

Biological Evolution

Question 8

1) make observations
2) devise a hypothesis to explain the observation
3) generate predictions from that hypothesis
4) test those predictions

Answer 8

The Scientific Method

Question 9

1) are built of cells
2) reproduce, using DNA to pass genetic information
3) take in energy from their environment
4) sense and respond to their environment
5) maintain constant internal conditions
6) evolve as groups

Answer 9

All living organisms:

Question 10

refers to many different levels at which life can be studied:
atom, molecule, cell, tissue, organ, organ system, individual, population, community, ecosystem, biome, biosphere.

Answer 10

Biological Hierarchy

Question 11

make biomes, are large regions of the world that are defined by the climate and the distinctive communities found there.

Answer 11

An Ecosystem