Ecosystems

Question 1

Habitat

Answer 1

The place in which a plant or animal lives

Question 2

Biotic Factors

Answer 2

All living factors that exist in an organism’s environment
predators and prey

Question 3

Abiotic Factors

Answer 3

All non-living factors that exist within an organism’s environment
light, soil, air

Question 4

Adaptations

Answer 4

Traits animals adapted to survive and reproduce

Question 5

Interdependence

Answer 5

Relationships where organisms depend on each other for survival

Question 6

Commensalism

Answer 6

One organism benefits and the other is unaffected

Question 7

Parasitism

Answer 7

One organism benefits and the other is negatively impacted

Question 8

Mutualism

Answer 8

Both organisms benefit

Question 9

Sunlight

Answer 9

Source of all energy in the food chain

Question 10

Autotrophs

Answer 10

Organisms that produce their own energy

Question 11

Photosynthesis

Answer 11

The process of plants using sunlight to produce energy

Question 12

Chloroplasts

Answer 12

Chloroplasts are the part of the cell where photosynthesis takes place. Chloroplasts contain the chemical “Chlorophyll” that absorbs sunlight

Question 13

Predators

Answer 13

Animals that eat other animals

Question 14

Prey

Answer 14

Animals eaten by predators

Question 15

Producers

Answer 15

Organisms that produce their own food - these are usually plants

Question 16

Consumers

Answer 16

Organisms that must consume other organisms for energy or nutrients

Question 17

Decomposers

Answer 17

Decomposers break down waste, dead or decaying organisms for food

Question 18

Food Chains

Answer 18

Track the flow of energy from organism to organism

Question 19

Food Webs

Answer 19

A representation of all the feeding relationships between all the organisms of an
Ecosystem

Question 20

Ecosystems

Answer 20

A biological community of interacting organisms and their physical environment

Question 21

Sustainable Ecosystems

Answer 21

Diverse ecosystems that can provide for all the needs of organisms over a long period of time

Question 22

Abiotic Impacts

Answer 22

physical rather than biological

Question 22

Impacts on Ecosystems

Answer 22

Conditions that cause change in an ecosystem

Question 23

Biotic

Answer 23

relating to or resulting from living organisms

Question 24

Threatened organisms

Answer 24

Endangered species - Close to extinction, only small numbers remaining
Vulnerable species - rapid population decline occurring with a danger of extinction
Rare species - Low numbers, spread out over a large area - not decreasing in population

Question 25

Agriculture

Answer 25

Much native vegetation is cleared for use as grazing fields for animals or to grow crops

Question 25

Genetic modification

Answer 25

Genetic modification - Direct modification of an organism’s genome to produce desirable traits

Question 26

selective breeding

Answer 26

Selective breeding - Mating pairs of organisms with desirable traits to pass on those traits

Question 27

Cutting

Answer 27

Cutting - A plant stem is cut from a plant, then placed in good quality soil. The stem develops roots and grows.

Question 28

Pollution

Answer 28

A substance introduced to the environment that is harmful or poisonous

Question 29

Air Pollution

Answer 29

Occurs when harmful substances including particulates and biological molecules are introduced to the Earth’s atmosphere