Explain briefly how fingerprinting can be used to detect crime

Name three organisms that carry out holozoic mode of nutrition

List three courtship behaviours in animals

What is courtship behaviour in animals?

State five effects of high temperature on a terrestrial habitat

List three stimuli to which the mammalian skin is sensitive.

State three ways of caring for the mammalian skin.

Give two examples each of organisms that show: (i) tactic movement (ii) nastic movement

Explain the following terms: (i) test cross (ii) monohybrid cross

Explain two ways each by which the following organisms adapt to their habitats: (i) hydrophytes (ii) xerophytes.