Ecology Exam 3-Ch. 16

Question 1

Interspecific competition

Answer 1

Competition among individuals of different species

Question 2

Resource

Answer 2

Anything an organism consumes or uses that causes an increase in population growth rate when it becomes more available

Question 3

Renewable resources

Answer 3

Resources that are constantly regenerated

Question 4

Non renewable resources

Answer 4

Resources that are not regenerated

Question 5

Leibigs law of the minimum

Answer 5

Law stating that a population increases until the supply of the most limiting resource prevents it from increasing further

Question 6

Competitive exclusion principle

Answer 6

Two species cannot coexist indefinitely when they are both limited by the same resource

Question 7

Exploitative competition

Answer 7

Competition in which individuals consume and drive down the abundance of a resource to a point that other individuals cannot persist

Question 8

Interference competition

Answer 8

When competitors do not immediately consume resources but defend them; considered direct competition

Question 9

Apparent competition

Answer 9

When two species have a negative effect on each other through an enemy including predator parasite or herbivore

Question 10

Allelopathy

Answer 10

A type of interference competition that occurs when organisms use chemicals to harm their competitors

Question 11

Intraspecific competition

Answer 11

Competition among individuals of the same species