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15 Cards in this Set
- Front
- Back
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Amniote Eggs
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Eggs produced by reptile and birds, with features including an outer shell, a series of internal membranes that enabled these eggs to be laid and for embryonic development to occur in terrestrial environments.
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Broadcast Spawning
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Release of eggs and sperm into the external environment by groups of fish.
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Demersal
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Describes eggs that are laid in rock crevices; also to spawners, that is, fish that produce eggs and sperm and guard the eggs after fertilisation.
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Fercundity
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Refers to the number of eggs produced by an animal species in one breeding season; fecundity is said to be his when the number of eggs is high.
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K-Selection
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A situation in which a species in comparison with an r-selected species, breeds less frequently and has fewer offspring in which great parental care is invested.
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Lekking
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The gathering of males in one area for the purpose of displaying to attract mates.
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Mass Spawning
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Refers to the spawning when very large numbers of fish gather in one area and synchronously release their eggs and sperm into the external environment.
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Monogamy
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Situation in which animals form a pair bond and one male mates with one female for one or more breeding seasons or for life.
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Oviparity
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Mode of production in which embryonic development occurs outside the mothers body but within an egg that provides nutrition from the egg yolk.
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Pollination
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Transfer of pollen from anther to stigma
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Polyandry
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One kind of polygamy in which one female has multiple male partners during one breeding season.
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Polygamy
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Situation in which one male or one female has multiple partners during a breeding season.
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Polygyny
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One kind of polygamy in which one male has multiple female partners during one breeding season.
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R-Selection
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A situation in which a special in comparison with k-selection, breeds more often and produces larger numbers of offspring in which little or no parental care is invested.
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Viviparity
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Mode of reproduction in which embryonic development occurs within the mother's body, with young being born as miniature adults.
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