Chapter 1.3

Question 1

Cell

Answer 1

a collection of living matter enclosed by a barrier that separates the cell from its surroundings; basic unit of all forms of life

Question 2

Sexual Reproduction

Answer 2

the process by which two cells from different parents unite to produce the first cell of a new organism

Question 3

Asexual Reproduction

Answer 3

the process by which a single parent reproduces by itself

Question 4

Metabolism

Answer 4

a set of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes

Question 5

Stimulus

Answer 5

a signal to which an organism responds; any kind of detectable signal that carries information

Question 6

Homeostasis

Answer 6

the process by which organisms maintain a relatively stable internal environment

Question 7

Evolution

Answer 7

change in a kind of environment over time; the process by which modern organisms have descended from ancient organism

Question 8

Biology

Answer 8

science that seeks to understand the living world