Unit 8: Ecology

Question 1

Organism

Answer 1

One species

Question 2

Population

Answer 2

Many of one species

Question 3

Community

Answer 3

Many populations

Question 4

Ecosystem

Answer 4

Many communities in a given environment

Question 5

Biosphere

Answer 5

The whole world

Question 6

List the tropic levels of a food web

Answer 6

Decomposers
Producers
Primary consumers
Secondary consumers
Tertiary consumers

Question 7

How much does energy pass through organisms as they eat eachother

Answer 7

10%

Question 8

Explain the mutualism relationship

Answer 8

Two different species in which each organism benefits from the interaction in some eay

Question 9

Competition

Answer 9

Between organisms in which one is harmed when birth are trying to use the same resource related to growth, reproduction, or survival

Question 10

Predation

Answer 10

Between two organisms predator and prey, where there is a flow of energy from one to another (being eaten)

Question 11

Parasitism

Answer 11

Lone term, two species where the parasite gains benefits that come at the expense of the host member

Question 12

Commensalism

Answer 12

Long term between two organisms in which one benefits and the other derives neither benefit nor harm

Question 13

Do predators affect the ecosystem they’re apart of?

Answer 13

Yes they regulate it, some are called keystone species

Question 14

How does one species affect an entire ecosystem?

Answer 14

When the wildebeest population skyrocketed you’d expect the vegetation to dwindle but because of the lack of grass the fires stopped spreading which brought more trees in dry areas and in turn brought many animals increasing the biodiversity