Terms

Question 1

Abiotic Factors

Answer 1

Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems.

Question 2

Biotic factors

Answer 2

The living things in an ecosystem.

Question 3

Biodiversity

Answer 3

The variety of life in the world or in a particular habitat or ecosystem.

Question 4

Community

Answer 4

All the different populations if species living in the same place.

Question 5

Food Chain

Answer 5

A hierarchial series of organisms each dependent on the next as a source of food.

Question 6

Hydrosphere

Answer 6

All the water areas in the world.

Question 7

Pesticides

Answer 7

A substance used for destroying insects or other organisms harmful to cultivated plants or to animals.

Question 8

Producer

Answer 8

They can produce their own food.

Question 9

Trophic Level

Answer 9

Each of several hierarchical levels in an ecosystem, comprimising organisms that share the same function in the food chain and the same nutritional relationship to the primary sources of energy.

Question 10

Aquatic Ecosystem

Answer 10

An ecosystem that is found in water.

Question 11

Biosphere

Answer 11

All the biomes in life.

Question 12

Consumer

Answer 12

An organism that must eat to obtain energy.

Question 13

Ecology

Answer 13

The study of how organisms interact with each other.

Question 14

Food Web

Answer 14

A collection of food chains put together.

Question 15

Lithosphere

Answer 15

The rocky parts of the earth.

Question 16

Population

Answer 16

Several members of the same species living in the same area.

Question 17

Species

Answer 17

A group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding. (The same animal or plant)

Question 18

Range of Tolerance

Answer 18

Specifications of environment in which particular species can survive.

Question 19

Atmosphere

Answer 19

A thin layer of gases that surround the earth.

• Prevents the Earth from getting too hot or too cold
• Blocks out some of the suns radiation
• Provides you with the gases you need to survive

Question 20

Decomposer

Answer 20

An organism, especiallt a soil bacterium, fungus, or invertebrate, that deconposes organic material.

Question 21

Ecosystem

Answer 21

A community of living things interacting with each other.

Question 22

Habitat

Answer 22

A place where organisms live.

Question 23

Niche

Answer 23

The function or positioj of a species within an ecological community

Question 24

Predator

Answer 24

The one that eats.

Question 25

Sustainability

Answer 25

The capacity of the biosphere to meet the needs of the present generation without hindering future generations from being able to meet their needs.

Question 26

Bioaccumulation

Answer 26

The accumulation of substances, such as pesticides or other chemicals in an organism. Occurs when an organism absorbs a toxic at rate faster than that at which the substance is lost by catavolisk and excretion.

Question 27

Biomagnification

Answer 27

The concentration of toxins in an organism as a result of its ingesting of other plants or animals in which the toxins are more widely disbursed.

Question 28

Carnivore

Answer 28

An organism that only consumes consumers.

Question 29

Detritivores

Answer 29

An animal that feeds on dead organic material, especially plant detritus.

Question 30

Herbivore

Answer 30

An organism that only consumes producers.

Question 31

Omnivore

Answer 31

An organism that consumes both producers and consumers.

Question 32

Prey

Answer 32

The one that is being eaten.

Question 33

Terrestrial ecosystem

Answer 33

An ecosystem found on land.