(a) ldentify specimens E, F, G and H without reason (b) Name one excretory organ found in each o specimens E, F, G and H (c) (i) State the habitats of specimens E and H (i) Examine the limbs of specimen H. List two ways by which specimen H is adapted to the habitat (ii) Make a labelled drawing 8-10 cm long of specimen E
Explanation
(a) Specimen E = earthworm, Specimen F = cockroach Specimen G = twig of flowering plant. Specimen H=rat (b) The excretory organs found in specimens E to H are: Specimen E = nephridium or body surface. Specimen F= malphighian tubule. Specimen G= leaf or stem, Specimen H= lungs kidney and skin (c) The habitats of Specimen E and H are ()) Specimen E (earthworm) soil or damp soil or marshy area. Specimen H (rat) burrows or holes or bush or food stores or house or cupboard. (ii) Ways by which specimen H(rat) is adapted to its habitat are (i) Limbs end in claws for digging the burrow (ii) Forelimbs are short and muscular for absorbing shock on landing (iii) Hind limbs are long and muscular for running fast