2010 - JAMB Biology Past Questions and Answers - page 3

A food chain always begins with a

Mycorrhizae promote plant growth by

The barrier between maternal and foetal blood is the

The blood component that has the greatest affinity for oxygen is the

Which of the following organisms is mainly found in the marine habitat?

The two halves of the pelvic girdle are joined together at the

I. Adoption of appropriate nocturnal habits ll. Burrowing lll. Adjusting their internal body temperature. IV Possession of many sweat pores.
Which of the above are ways in which desert animals adapt to extreme heat of the environment?

Low annual rainfall, sparse vegetation , high diurnal temperatures and cold nights are characteristic features of the

The activity of an organism which affects the survival of another organism in the same habitat constitutes

The average number of individuals of a species per unit area of the habitat is the