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WAEC biology answers
BIOLOGY-OBJ. 1CAABDBBBDC 11AACBDDDCBB 21CBACDAABCB 31CABCCBDDCB 41DCBBCBBAAA (6ai) External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. (6aii) Internal fertilization occurs most often in land-based animals, although some aquatic animals also use this method. There are three ways that offspring are produced following internal fertilization. (6bi) (i)Toad (ii)Frog (6bii) (i)Goat (ii)Cow (6ci) (i)the foetus will not get oxygen (ii)the foetus will not get nutrients. (iii)waste products from your baby's blood will not be removed (6cii) [pick three] (i)fundus (ii)corpus (iii)isthmus (iv)cervix. (6d) Competition in feeding among organisms for scarce resources leads to the death of weaker members of the species and the reproduction of the stronger members, leading to a dynamic equilibrium that balances the rate of death to the rate of birth. (6e) (i) Problem of Wave (ii) Effects of te...
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