Unit 1

Question 1

Autotroph

Answer 1

An organism that uses the suns energy to convert water and a gas into food.

Question 2

Heterotroph

Answer 2

Heterotrophs are organisms that cannot produce there own food.

Question 3

Characteristic

Answer 3

a feature that helps to identify something

Question 4

Organism

Answer 4

A living thing

Question 5

Cell

Answer 5

The basic unit of structure and function in living things

Question 6

Unicellular

Answer 6

Made of a single cell

Question 7

Multicellular

Answer 7

Consisting of many cells

Question 8

Stimulus

Answer 8

Any change or signal in the environment that can make an organism react in some way.

Question 9

Response

Answer 9

An action or change in behavior that occurs as a result of a stimulus

Question 10

Spontaneous generation

Answer 10

The mistaken idea that living things arise from no living sources

Question 11

Homeostasis

Answer 11

The condition in which an organisms internal environment is kept stable in spite of changes in the external environment.

Question 12

Classification

Answer 12

The process of grouping things based on their similarities.

Question 13

Species

Answer 13

A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce.

Question 14

Taxonomy

Answer 14

The scientific study of how living things are classified.

Question 15

Domain

Answer 15

The most basic level of organization in the classification of organisms.

Question 16

Evolution

Answer 16

Change over time, the process by which modern organisms have descended from ancient organisms