All populations in a given physical area are defined as

(a)

Biome

(b)

Ecosystem

(c)

Territory

(d)

Biotic factors

Organisms which can survive a wide range of temperature are called

(a)

Ectotherms

(b)

Eurytherms

(c)

Endotherms

(d)

Stenotherms

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

What is a Habitat?

What is Acclimatisation?

What is Zero Stress?

Classify the aquatic biomes of Earth.

Differentiate J and S shaped curve

What is ecological density, crude density and population density?

Give an account of the properties of soil.

Describe Growth Models/Curves.