All populations in a given physical area are defined as

(a)

Biome

(b)

Ecosystem

(c)

Territory

(d)

Biotic factors

Competition between species leads to

(a)

Extinction

(b)

Mutation

(c)

Amensalism

(d)

Symbiosis

Which of the following is an r-species

(a)

Human

(b)

Insects

(c)

Rhinoceros

(d)

Whale

The relationship between sucker fish and shark is__________

(a)

Competition

(b)

Commensalism

(c)

Predation

(d)

Parasitism.

Animals that can move from fresh water to sea called as______

(a)

Stenothermal

(b)

Eurythermal

(c)

Catadromous

(d)

Anadromous

Some organisms are able to maintain homeostasis by physical means _______

(a)

Conform

(b)

Regulate

(c)

Migrate

(d)

Suspend.

Greek word from which the term 'ecology' is derived ______________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

Eikos

Movement of an organism in response to light

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

pbototaxis

Scientist who coined the term 'niche' ___________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

Charles Elton

Zone of permafrost ______________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

tundra

Type of forest in taiga ____________

A PHP Error was encountered

Severity: Warning

Message: A non-numeric value encountered

Filename: material/details.php

Line Number: 1002

()

coniferous forest

Taiga

(1)

Wild oats

Temperature

(2)

Maple, Oak

Grassland

(3)

Lizards

Stenotherm

(4)

Willow, Maple, Oak

Anadromous migration

(5)

Salmon

What is a Habitat?

Define ecological niche.

What is Pedogenesis?

What is soil permeability?

Differentiate between Eurytherms and Stenotherms.

State Allen's rule.

Give the diagnostic characters features of a Biome

What are the ways by which organisms respond to abiotic factors?

Differentiate Natality and Mortality

Give an account of population regulation

Differentiate between Tundra and Taiga Biomes.

Describe Population Age Distribution