Biology Past Questions and Answers

The theory that new organs or characteristics develop in organisms when there is a need for them was
postulated by

Which of the following is an example of reproductive adaptation?

The large intercellular air spaces which penetrate the tissues of most hyrophytes provide a pathway through
which

Which of the following processes will not introduce carbondioxide into the atmosphere?

(a) List five morphological features that are characteristic of plant found in each of the following habitats:-(i) tropical rainforest. (ii) savanna. In each case, state function of the features listed in (a) to the plant.
(b) Explain the term: ecological succession
(c) By means of a diagram only, outline the carbon cycle to show the relative importance of the cycle to life in general.