Ecological Communities

Question 1

What is an ecological community?

Answer 1

A group of interacting species living in the same place

Question 2

What is the difference between species richness and species diversity?

Answer 2

Species richness is the total number of species occupying a habitat while diversity is the species richness and abundance of species.

Question 3

What are the measures of diversity in a community?

Answer 3

Species richness
Diversity
Relative abundance

Question 4

The proportion of the community that each species occupies is known as:

Answer 4

Relative abundance

Question 5

If 90% of the individuals belong to 1 species:

High diversity
Low diversity

Answer 5

Low diversity

Question 6

If each species contributes 1% of the individuals:

High diversity
Low diversity

Answer 6

High diversity

Question 7

Types of interactions between species:

Answer 7

Competition
Symbiosis
Consumer-resource interactions

Question 8

When two or more species vie for the same limited resource:

Answer 8

Competition

Question 9

When species live in or on another:

Answer 9

Symbiosis

Question 10

Types of symbiosis:

Answer 10

Parasitism
Mutualism
Commensalism

Question 11

Types of consumer-resource interactions:

Answer 11

Herbivory

Predation

Question 12

Competition within the same species is:

Answer 12

Intraspecific

Question 13

Competition between species is:

Answer 13

Interspecific

Question 14

What is mutualism?

Answer 14

When both partners have improved fitness (pollination)

Question 15

What is commensalism?

Answer 15

When one species benefits and the other is not affected (Spanish moss and oak trees)

Question 16

What is parasitism?

Answer 16

When on species benefits at the expense of the other (mistletoe)

Question 17

Parasites are found in all kingdoms?

True
False

Answer 17

True

Question 18

Animal that consumes plants:

Answer 18

Herbivore

Question 19

Animal that eats other animals:

Answer 19

Predator

Question 20

What is a keystone species?

Answer 20

A species that has a pivotal role in the community
Makes up a small portion of community by weight
Influence on community diversity is large

Question 21

What is succession?

Answer 21

Gradual change over time in community’s species composition

Question 22

Types of succession:

Answer 22

Primary

Secondary

Question 23

Type of succession where a community begins in an area without soil

Answer 23

Primary

Question 24

Type of succession where a disturbance has destroyed an existing community but left soil intact

Answer 24

Secondary

Question 25

Secondary succession:

A)Happens alongside primary succession

B)Is faster than primary succession

C)Happens at the same rate as primary succession

D)Is slower than primary succession

Answer 25

B)Is faster than primary succession

Question 26

Which of the following is an invasive species in Florida?

A)Python
B)Palm Tree
C)Oak Trees
D)Spanish moss

Answer 26

A)Python