Mention the type of cell division the cells of the sporogenous tissue undergo to form microspores/ pollen grains in an angiosperm.

Write the scientific name of the source organism for the gene Cry II Ab.

Expand GEAC.

Name and explain the interspecific interaction that exists between sea anemone and the clown fish.

(a) Which of the following animals undergo external fertilisation?

(i) Amphibians

(ii) Reptiles

(iii) Birds

(iv) Fish

(b) Mention one disadvantage of external fertilisation?