Living organisms have good reason for engaging in sexual, rather than asexual, reproduction according to Maurine Neiman, assistant professor of biology in the UI College of Liberal Arts and Sciences and researcher in the ...
Evolution
Jan 21, 2010
3
0
(PhysOrg.com) -- Old roosters can still dominate the sexual pecking order even when their ability to fertilise eggs drastically declines, new Oxford University research has shown.
Plants & Animals
Jun 25, 2010
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0
A new study finds that precipitation levels during nesting season are not related to reproductive success for wild turkeys, which runs counter to the conventional wisdom regarding the role that rainfall plays in wild turkey ...
Plants & Animals
Dec 13, 2023
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67
Female promiscuity—something that occurs in a majority of species, including humans—results in the ejaculates from two or more males overlapping within her reproductive tract. When this happens, sperm compete for fertilization ...
Evolution
Sep 26, 2013
3
0
(PhysOrg.com) -- "Be faithful in small things because it is in them that your strength lies." Mother Teresa's words echo throughout the world. They ring particularly true in the biological kingdom among brown anole lizards, ...
Plants & Animals
Apr 5, 2010
1
0
There are huge differences in species numbers among the major branches of the tree of life. Some groups of organisms have many species, while others have few. For example, animals, plants and fungi each have over 100,000 ...
Evolution
Jul 29, 2021
2
346
Climate change could pose a threat to male fertility—according to new research from the University of East Anglia.
Ecology
Nov 13, 2018
7
1778
Darwin referred to the origin of species as "that mystery of mysteries," and even today, more than 150 years later, evolutionary biologists cannot fully explain how new animals and plants arise.
Plants & Animals
Sep 2, 2013
10
1
Most animals, including humans, have two copies of their genome—the full set of instructions needed to make every cell, tissue, and organ in the body.
Evolution
Jan 21, 2016
0
31
Plants or animals using color to attract a mate is fairly common in nature, but for Phlox drummondii, a wildflower commonly known as Drummond's phlox, just the opposite is true.
Evolution
Sep 3, 2014
0
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