Energy Pyramid

Question 1

niche

Answer 1

the role of an organism in the ecosystem

- if 2 species try to occupy same niche, competition shows

Question 2

prey

Answer 2

organism thats hunted

Question 3

predator

Answer 3

organism that actively hunts

-predators decrease size of prey population

Question 4

symbolic relationships

Answer 4

occur when 2 or more species live closely together

commensalism, mutualism, parasitism

Question 5

commensalism

Answer 5

relationship in which one organism benefits while the other isn’t affected

Question 6

Habitat

Answer 6

the specific environment in which an organism lives

Question 7

mutualism

Answer 7

The relationship in which both species benefit

Question 8

Parasitism

Answer 8

The relationship in which one species benefits (parasites) and one species is harmed (host)

Question 9

Energy pyramid

Answer 9

• represent different trophic levels (nourishment levels)
• each time energy is transferred, less energy is available to the next trophic level
• since so much energy is lost at each trophic level, fewer organisms are found at the higher trophic levels

Question 10

producers have

Answer 10

The greatest number of organisms

Question 11

order of organisms (tertiary, primary…)

Answer 11

tertiary consumers (1KCal) -> secondary consumers (10kcal) -> primary consumers (100 K CAL) -> producers (1000 K CAL)