The diagram above is an illustration of one of the theories of evolution. Who proposed the theory in the illustration?
The theory supports
In evolution, fossils are naturally preserved in
Which of the following is not a social insect?
(a) Explain briefly how the structure of each of the following cells relate to their functions:
(i) Sperm cell
(ii) Palisade cell.
(b) Make a drawing, 8cm to -10cm long of the front view of the female reproductive system in humans and label fully.
(c) State two differences between reproduction in mammals and in amphibians.
(d) State two methods of birth control in humans.
