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[1] [2] In primates, reproductive synchrony usually takes the form of conception and birth seasonality. [3] The regulatory "clock", in this case, is the sun's position in relation to the tilt of the earth. In nocturnal or partly nocturnal primates—for example, owl monkeys—the periodicity of the moon may also come into play.
A village weaver's nest is 14–17 cm (5.5–6.7 in) long and 11–13 cm (4.3–5.1 in) high. The entrance is mostly extended into a tube of 4–8 cm (1.6–3.1 in) long. The male weaves the structure of the nest using long strips of leaf that he has torn from palms or large grass species such as Arundo donax. The nest is roofed, ovoid or ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 December 2024. Union of gametes of opposite sexes during the process of sexual reproduction to form a zygote This article is about fertilisation in animals and plants. For fertilisation in humans specifically, see Human fertilization. For soil improvement, see Fertilizer. "Conceive" redirects here ...
Human actions are greatly affecting the water cycle. Activities such as deforestation, urbanization, and the extraction of groundwater are altering natural landscapes (land use changes) all have an effect on the water cycle. [3]: 1153 On top of this, climate change is leading to an intensification of the water cycle.
[1] [2] Males also use olfaction to entice females to mate using secretions from glands and soaking in their own urine. [1] [3] [4] Deer will also leave their own personal scent marking around by urinating down their own legs with the urine soaking the hair that covers their tarsal glands. Male deer do these most often during breeding season.
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Breeding programmes play a role in the conservation and preservation of the cheetah and the African wild dog. A breeding programme is the planned breeding of a group of animals or plants, usually involving at least several individuals and extending over several generations. There are a couple of breeding methods, such as artificial (which is ...
The word "semelparity" was coined by evolutionary biologist Lamont Cole, [4] and comes from the Latin semel ('once, a single time') and pario ('to beget'). This differs from iteroparity in that iteroparous species are able to have multiple reproductive cycles and therefore can mate more than once in their lifetime.