FOR EACH PART OF THE QUESTION, PLEASE SELECT TRUE OR FALSE AND MARK IT ON THE...
FOR EACH PART OF THE QUESTION, PLEASE SELECT TRUE OR FALSE AND MARK IT ON THE ANSWER SHEET PROVIDED ON PAGE 31 a) r- selected species put limited reproductive resources into producing offspring and caring for them b) Pheromones are only produced by females that don't show clear courtship behaviours c) Birds have a ZZ/ZW system of sex chromosomes with the male being ZZ d) Freemartin heifers result from the transfer of anti-Mullerian hormone from their male twin Testosterone is derived from cholesterol as is oestrogen f) The acrosome of spermatozoa is filled with enzymes that help penetrate the ovum g) Oxytocin facilitates milk let down and uterine contractions h) Reflex ovulators do not require copulation to release an egg i) Progesterone has a feedback role to reduce/inhibit LH release j) Follicles in birds ovaries are at different stages of maturation at any point in time (no synchrony) e)