3.1 Study Guide

Question 1

All organisms that live together in a place

Answer 1

Community

Question 2

Community Ecology

Answer 2

Study of interactions among all populations in environment

Question 3

A role organisms play in community

Answer 3

Niche

Question 4

Fundamental niche

Answer 4

Potentially used resources

Question 5

Realized niche

Answer 5

Resources actually used

Question 6

Niche partitioning

Answer 6

A pattern which populations take turns partitioning

Question 7

When does niche partitioning occur

Answer 7

Occurs when niche overlap becomes costly

Question 8

Overlapping organisms

Answer 8

Low fitness

Question 9

Competition

Answer 9

-/-

Question 10

Mutualism

Answer 10

+/+

Question 11

Commensalism

Answer 11

+/0

Question 12

Predation/Herbivory/Parasitism

Answer 12

-/+

Question 13

Endosymbiosis

Answer 13

Cells inside cells

Question 14

Symbiosis

Answer 14

2+ species share close physical interaction

Question 15

Non-symbiosis

Answer 15

Interaction of organisms that live apart from each other

Question 16

Facultative

Answer 16

Receive benefits but can survive without the other

Question 17

Obligatory

Answer 17

Species are entirely dependent on each other

Question 18

Co-evolution in community

Answer 18

Long term evolutionary adjustments between species