Key vocab 0.0 / 5 ? BiologyKey VocabGCSEEdexcel Created by: PookiebooCreated on: 24-03-16 14:29 Physical, mental and behavioral changes that follow 24 hour cycle responding to light an darkness in the environment. Circadian rhythms 1 of 10 A process in which a seed begins to grow into a young plant Germinate 2 of 10 Response that plants have to the length of daylight. Photoperiodism 3 of 10 Produced by white blood cells to attack antigens Antibody 4 of 10 A foreign body an illness that enters the body Antigen 5 of 10 Gland at base of brain that secrets FSH and LH Pituitary Gland 6 of 10 A structure that develops in an ovary after an egg has been released which secrets progesterone Corpus luteum 7 of 10 Fluid filled sac in the ovary that contains the egg Follicle 8 of 10 Produced by pituitary gland which causes the egg to mature FSH 9 of 10 Hormone produced by the pituitary gland which causes ovulation LH 10 of 10
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