Semester Finals

Question 1

Energy pyramid

Answer 1

A model that shows the available amount of energy in each trophic layer in an ecosystem.

Question 2

Food chain

Answer 2

A model that shows many different feeding relationships among living things.

Question 3

Food web

Answer 3

A model that shows one set of feeding relationships among living things.

Question 4

Producer

Answer 4

An organism that make its own food.

Question 5

Consumer

Answer 5

Is an organism that feeds on plants or other animals for energy.

Question 6

Biome

Answer 6

A major ecological community such as tropical, forest, and desert.

Question 7

Ecology

Answer 7

The study of the relationships between living things.

Question 8

Nitrogen cycle

Answer 8

A process in which nitrogen in the atmosphere enters the soil and becomes part of living organisms then eventually returns to the atmosphere.

Question 9

Water cycle

Answer 9

The continual movement of water between the land, ocean, and the air.

Question 10

Carbon cycle

Answer 10

A natural cycle in which carbon compounds, mainly carbon dioxide, are incorporated into living tissue through photosynthesis and returned to the atmosphere by respiration, decay of dead organisms, and the burning of fossil fuels.

Question 11

Biotic Factors

Answer 11

All of the living parts of an ecosystem.

Question 12

Abiotic Factors

Answer 12

All of the nonliving parts of an ecosystem.

Question 13

Predator

Answer 13

An animal that hunts and eats another animal.

Question 14

Succession

Answer 14

The progressive replacement of one community by another until a climax community is established.

Question 15

Levels of Organization

Answer 15

Living things arranged from the most simplest to most complex.

Question 16

Lab Safety Rules

Answer 16

Report all accidents , injuries, and breakage off glass

Question 17

Metric System

Answer 17

The decimal ensuring system based on the meter, liter and gram as units of length, capacity and weight or mass.

Question 18

Dependent Variable

Answer 18

A variable (often denoted by y) whose value depends on that of another.

Question 19

Independent Variable

Answer 19

A variable whose (often denoted by x)whose variation does not depend on that of another.

Question 20

Constant Variable

Answer 20

It is the control variable that the scientists want to remain the same.

Question 21

Hypothesis

Answer 21

A theory made on the basis of limited evidence.

Question 22

Prey

Answer 22

An animal that is hunted and killed by another.