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mate
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assortative mating
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mating system
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mayfly
mayfly any insect of the order Ephemeroptera, so named because the adults live for a short time, often only a single day, during which they molt twice, mate, and lay their eggs in freshwater. The adults are medium to large, shiny, slender insects with two pairs of fragile, transparent,... Read more |
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hornbill
hornbill common name for members of the family Bucerotidae, Old World birds of tropical and subtropical forests, named for their enormous down-curved bills surmounted by grotesque horny casques. From 2 to 5 ft (61-152.5 cm) in length, they are the largest of an order that also includes the... Read more |
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sperm competition
sperm competition Competition between sperm from different males to reach and fertilize the egg cell of a single female. Sperm competition can occur among rodents in which a male mates a number of times with the same female, with a rest period between successive matings during which the sperm... Read more |
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pheromones
pheromones any of a variety of substances, secreted by many animal species, that alter the behavior of individuals of the same species. Sex attractant pheromones, secreted by a male or female to attract the opposite sex, are widespread among insects. The pheromones produced by males include a... Read more |
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reciprocal cross
reciprocal cross In genetics, one of a pair of crosses in which the two opposite mating types (or sexes) are each coupled with each of two different genotypes and mated with the reciprocal combination, e.g. male of genotype A × female of genotype B (first cross), and male of genotype B ×... Read more |
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mating type
mating type The equivalent in lower organisms (particularly micro-organisms) of sexes in higher organisms. Micro-organisms may be subdivided into mating types on the basis of their physiology and mating behaviour. Different mating types are usually identical in physical form although individuals of... Read more |
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gamete
gamete A specialized haploid cell (sometimes called a sex cell) whose nucleus and often cytoplasm fuses with that of another gamete (from the opposite sex or mating type) in the process of fertilization, thus forming a diploid zygote. In the lower plants the male gamete is a motile antherozoid,... Read more |
No reference documents or articles match the search term She-male snakes need their love to keep them warm. (discoveries).(mating
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