Unit 7 - Ecology (Quiz 2)

Question 0

Biotic

Answer 0

The living factors in an ecosystem.

Question 1

Abiotic

Answer 1

The non-living things in an ecosystem.

Question 2

Commensalism

Answer 2

A symbiotic relationship in which one organism is helped and the other is not affected.

Question 3

Competition

Answer 3

A relationship that occurs in which two or more species need the same resource at the same time.

Question 4

Ecosystem

Answer 4

A community (all of the living organisms) and the abiotic factors that affect them.

Question 5

Habitat

Answer 5

The place where an organism lives.

Question 6

Host

Answer 6

The organism that is harmed by the parasite.

Question 7

Parasite

Answer 7

The organism that is benefiting from the parasitic relationship.

Question 8

Mutualism

Answer 8

A symbiotic relationship in which both organisms benefit.

Question 9

Niche

Answer 9

The role of an organism in its environment.

Question 10

Parasitism

Answer 10

A symbiotic relationship in which one organism benefits and the other is harmed.

Question 11

Predator

Answer 11

The species that feeds on another organism.

Question 12

Prey

Answer 12

The organism that is eaten.

Question 13

Stable ecosystem

Answer 13

An ecosystem in which population numbers of each organism, the supply of resources, and the amount of energy fluctuates at a predictable/constant rate.

Question 14

Symbiotic relationship

Answer 14

This exist between organisms of two different species that live in direct contact with each other or in a close relationship with each other.

Question 15

Density dependent

Answer 15

A limiting factor that affects population based on the size. (Like disease)

Question 16

Density independent

Answer 16

A limiting factor that affects populations regardless of their size. (Like natural disasters)