introduction to ecology

Question 1

What Is an ecosystem?

Answer 1

An environment including all the living organisms interacting within it, cycling of nutrients and the physical and chemical environment in which the organisms are living.

Question 2

what is a habitat ?

Answer 2

this is the place where an organism lives.

Question 3

what is a community ?

Answer 3

all the populations of all the different species of organisms living in a habitat .

Question 4

what is a microhabitat ?

Answer 4

this is a small area of a habitat

Question 5

what is an abiotic factor ?

Answer 5

non-living elements of the habitat of an organism e.g climate, sunlight , temperature, PH

Question 6

what is a biotic factor?

Answer 6

living elements of a habitat of an organism, that affect the ability of organisms to survive e.g predation, disease, competition for resources.

Question 7

what is a biosphere and what are biomes ?

Answer 7

biosphere is all the areas of the surface of the earth where living organisms survive
biomes are the major ecosystems of the world