Why do we refer to offspring, formed by asexual method of reproduction as clones?

3

(a)

Name the three parts of pistil and mention one function of each of them.

3

(a)

What are the major fuctions of male accessory ducts and glands?

3

(a)

What is new about Neo-Darwinism?

3

(a)

Name any three organic acids and the bacteria that produce them.

3

(a)

Enumerate the process included under Biotechnology.

3

(a)

Name six major terrestrial biomes of the world.

3

(a)

Give reason
(i) Population of different species are not capable of breeding with each other.
(ii)Intraspecfic competiton is more intense than interspecific competition.
(iii)Parasites tend to loose certain organs.

3

(a)

Give two examples of each of:
(i) Terrestrial ecosystem
(ii) Aquatic ecosystem
(iii) Man-made ecosystem

3

(a)

Distinguish between
(i) Upright and inverted pyramid 
(ii) Food chain and food web

3

(a)

Mention the three attributes that a stable community has.

3

(a)

Draw a schematic labelled sketch of a scrubber and mention its use to remove pollutions.

3

(a)

Which type of conservation measures, in situ and ex situ will help the largest number species to survive? Explain.

3

(a)