Interactions Among Species

Question 1

Symbiosis

Answer 1

A term used to describe any type of close and long-term biological interaction between two different biological organisms of the same or different species.

Question 2

Amensalism

Answer 2

The interaction between two species whereby one species suffers and the other species is not affected
Example:
The black walnut tree releases a chemical that kills neighboring plants.

Question 3

Commensalism

Answer 3

The interaction between two species whereby one organism benefits and the other species is not affected.
Forms of commensalism include:
using another organism for transportation
using another organism for housing, and
using something that another organism created.

Question 4

Competition can be either

Answer 4

intraspecific and interspecific

Question 5

Intraspecific

Answer 5

Competition between members of the same species.

Question 6

Interspecific

Answer 6

: competition between members of different species.

Question 7

Mutualism

Answer 7

The interaction between two species whereby both species benefit.

Question 8

Parasitism

Answer 8

The interaction between two species whereby one species is benefited, and the other species is harmed.

Question 9

Predation

Answer 9

Predators hunt and kill their prey.

Question 10

Opportunistic predators

Answer 10

kill and eat almost anything.

Question 11

Specialist predators

Answer 11

only prey upon certain organisms.

Question 12

Saprottrophism

Answer 12

Saprotrophs obtain their nutrients from dead or decaying plants or animals through the absorption of soluble organic compounds.