New research shows the true cost of reproduction across the animal kingdom
A new study published in Science and led by Monash University biologists reveals that the energy cost of reproduction is far greater than previously believed.
A new study published in Science and led by Monash University biologists reveals that the energy cost of reproduction is far greater than previously believed.
Plants & Animals
8 hours ago
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From microbes in the human gut to symbiotic algae in coral reefs, research in recent decades has increasingly revealed the pivotal roles that microorganisms (or microbial species) play in shaping the biology of host organisms ...
Evolution
Apr 17, 2024
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Life cycle diagrams are ubiquitous in science textbooks, and they may be due for some updates. A new study finds simple design changes in these diagrams can have a dramatic impact on the ability of undergraduate students ...
Social Sciences
Apr 17, 2024
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Young male blue tits are less successful in fathering offspring outside their breeding pair, not because of a lack of experience, but because they are outcompeted by older males, Bart Kempenaers and colleagues from the Max ...
Plants & Animals
Apr 16, 2024
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The determination of animal growth rate and body size is an interesting scientific issue, and understanding the molecular mechanisms involved can guide agricultural production for genetic breeding. However, differences in ...
Plants & Animals
Mar 6, 2024
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A small international team of animal behavior researchers has found that species of glass frogs whose males help care for offspring tend to have smaller testes than species whose males do not help care for offspring. In their ...
Picky female sparrows may be more unfaithful, new Imperial research suggests. Cheating on social partners is common in birds, and there are clear benefits to males who can raise more offspring without investing in their care. ...
Plants & Animals
Jan 12, 2024
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In primates, the biggest, bossiest males usually get to father the most offspring; and for a long time it was thought that this rule applied to orangutans too. Male orangutans openly compete; and it's the older males with ...
Plants & Animals
Dec 8, 2023
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According to current knowledge, individuality is determined by either differences in genome or in the apparent environmental conditions. However, studies show, the paradigm of twin research is currently crumbling.
Evolution
Nov 28, 2023
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When animals of two different species mate, their hybrid offspring can be unhealthy or sterile. Often, only one sex is affected.
Evolution
Nov 20, 2023
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In biology, offspring is the product of reproduction, a new organism produced by one or more parents.
Collective offspring may be known as a brood or progeny in a more general way. This can refer to a set of simultaneous offspring, such as the chicks hatched from one clutch of eggs, or to all the offspring, as with the honeybee.
Human offspring (descendants) are referred to as children (without reference to age, thus one can refer to a parent's "minor children" or "adult children"); male children are sons and female children are daughters. See kinship and descent.
The word "fetus" is derived from the Latin word for "offspring." In humans, the fetal stage begins eight weeks after conception, when all of the major organs have been formed.
This text uses material from Wikipedia, licensed under CC BY-SA