Lecture 4 Niche

Question 1

What is a Niche?

Answer 1

The set of Environmental conditions (abiotic and Biotic) in which an organism can survive and reproduce.

Question 2

What is the n-dimensional hypervolume?

Answer 2

N is the number of environmental factors that are important to survival and reproduction

Question 3

Who created the n-dimensional hypervolume?

Answer 3

Hutchinson

Question 4

What is the fundamental Niche

Answer 4

physical conditions under which a species might live in the absence of interactions with other species

Question 5

Can the fundamental Niche change?

Answer 5

no it cannot be changed

Question 6

What is they realized Niche?

Answer 6

Physical conditions under which a species might live when restricted by interactions with other species

Question 7

What is Niche/resourse Partitioning?

Answer 7

When species in a community use limited factors (i.e resourses) in different ways.

They occur different realized niches.

Question 8

True or false:

No two species can occupy the same realized niche; eventually one will out-compete the other.

Answer 8

True.