*Unit 10 Part 2: Ecosystem Interactions

Question 1

Habitat

Answer 1

where an organism lives

Question 2

Niche

Answer 2

an organism’s role in the environment

Question 3

Organism’s interact with their environment through…

Answer 3

~competition
~symbiotic interactions
~predation

Question 4

All organisms compete for rousourses that help them _____.

Answer 4

survive

Question 5

Symbiosis

Answer 5

close, often long-term interactions between two different species

Question 6

Mutualism

Answer 6

both organisms benefit in the relationship

Question 7

Parasitism

Answer 7

One organism benefits and the other is harmed

Question 8

Commensalism

Answer 8

One organism benefits and the other is not affected

Question 9

What are the three parts of the tropic levels?

Answer 9

Producers, Consumers, and Decomposers

Question 10

Producers

Answer 10

Autotrophs, make their own food by capturing sun’s energy

Question 11

Consumer

Answer 11

Consumes and gets energy from other organisms in the food web

Question 12

Decomposer

Answer 12

Breaks down dead organic matter and returns materials to the soil

Question 13

List the types of consumers.

Answer 13

Primary consumer, secondary consumer, tertiary consumer, detrivore

Question 14

Primary Consumer

Answer 14

Herbivore, eats plants

Question 15

Secondary Consumer

Answer 15

Omnivore, eats plants and animals

Question 16

Tertiary Consumer

Answer 16

Carnivore, eats animals

Question 17

Detrivore

Answer 17

Scavenger, eats dead organisms

Question 18

Food Chain

Answer 18

Flow of energy from one organism to another

Question 19

In food chains/webs, the arrow indicates the direction of _____.

Answer 19

energy flow

Question 20

Food Web

Answer 20

~Interconnected food chains in a community
~More realistic than one food chain

Question 21

Food webs are more _____ than food chains.

Answer 21

realistic

Question 22

Ecological pyramids categorizes organisms by _____

Answer 22

tropic levels

Question 23

Ecological Pyramids shows…

Answer 23

amount of organisms and energy available at each level.

Question 24

Only _____ percent of energy is transferred from one level to the next. The rest is lost as _____ and _____ when organisms use energy to live.

Answer 24

10; heat; work

Question 25

The higher the trophic level, the _____ energy available

Answer 25

Less