Science Test Study Guide

Question 1

Biosphere

Answer 1

• made up of the parts of Earth where life exists.

Question 2

The total amount of water on a planet.

Answer 2

Hydrosphere

Question 3

Geosphere

Answer 3

includes the rocks and minerals on Earth

Question 4

made of the layers of gases surrounding a planet or other celestial body.

Answer 4

Atmosphere

Question 5

Carbon

Answer 5

the chemical backbone of all life on Earth.

Question 6

nature’s way of reusing carbon atoms, which travel from the atmosphere into organisms in the Earth and then back into the atmosphere over and over again.

Answer 6

Carbon cycle

Question 7

Desertification

Answer 7

The spread or encroachment of a desert environment into a nondesert region

Question 8

farming and grazing practices that, among other benefits, reverse climate change by rebuilding soil organic matter and restoring degraded soil biodiversity

Answer 8

Regenerative farming

Question 9

Biosequestration

Answer 9

assists human beings to increase their collective and individual

Question 10

of or reting to life

Answer 10

Biotic

Question 11

Abotic

Answer 11

a non-living part of an ecosystem that shapes its environment.

Question 12

a large area characterized by its vegetation, soil, climate, and wildlife.

Answer 12

Biomes

Question 13

Ecosystem

Answer 13

a community or group of living organisms that live in and interact with each other in a specific environment.

Question 14

a land-based community of organisms and the interactions of biotic and abiotic components in a given area

Answer 14

Terrestrial ecosystem

Question 15

Aquatic ecosystem

Answer 15

the habitat for water-dependent living species including animals, plants, and microbes.

Question 16

a place where an organism makes its home

Answer 16

Habitat

Question 17

Predation

Answer 17

a biological interaction where one organism, the predator, kills and eats another organism, its prey.

Question 18

those that have been introduced to a country, whether deliberately or accidentally, by humans.

Answer 18

Nonnative/invasive species

Question 19

Limiting factor

Answer 19

anything that constrains a population’s size and slows or stops it from growing

Question 20

someone who creates and supplies goods or services

Answer 20

Producer-

Question 21

Consumer- an individual who consumes a product or service

Answer 21

an individual who consumes a product or service

Question 22

Decompose-

Answer 22

to break up into constituent parts by or as if by a chemical process

Question 23

the sequence of transfers of matter and energy in the form of food from organism to organism.

Answer 23

Food chain-

Question 24

Food Web

Answer 24

-a group of food chains within an ecosystem.