A quick survey of life on Earth will usually yield two groups: those that produce their own nutrients and those that must get them from other lifeforms. Plants generally fall into the first category, called autotrophs, while ...
Evolution
Nov 7, 2022
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38
Suppose that we could watch twenty generations of whales or sharks adapting to climate change—measuring how they evolve and how their biology changes as temperatures and carbon dioxide levels rise. That could tell us a ...
Plants & Animals
Mar 21, 2022
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102
Scientists have invested great time and effort into making connections between a plant's genotype, or its genetic makeup, and its phenotype, or the plant's observable traits. Understanding a plant's genome helps plant biologists ...
Plants & Animals
Jun 7, 2021
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6
Cells sense and respond to the mechanical properties of the cellular microenvironment in the body. Changes in these properties, which occur in a number of human pathologies, including cancer, can elicit abnormal responses ...
Cell & Microbiology
May 25, 2021
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17
All multicellular living beings are colonized by an unimaginably large number of microorganisms and have developed together with them from the very beginning of multicellular life. The natural microbiome, i.e. the totality ...
Cell & Microbiology
Aug 27, 2020
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428
Evolutionary and developmental biologist Craig Albertson and colleagues at the University of Massachusetts Amherst report that they have identified a molecular mechanism that allows an organism to change the way it looks ...
Cell & Microbiology
Jul 28, 2020
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53
It's common knowledge that, through the process of natural selection, organisms adapt to their environments. But what happens when there are no barriers to gene flow and organisms are free-floating between extremely variable ...
Ecology
Sep 27, 2019
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11
The presence of a rival male affects sperm quality, according to a research study led by the University of Alicante and the University of Upsala (Sweden). The work was carried out with adult zebrafish (Danio rerio) and reveals ...
Plants & Animals
Apr 12, 2019
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27
Several fish species can change sex as needed. Other species adapt to their surroundings by living long lives, or by living shorter lives and having lots of offspring. The ability of animals and plants to change can sometimes ...
Evolution
Apr 1, 2019
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5
A species of butterfly that changes its appearance through the seasons lacks the genetic variation needed to quickly evolve a different response to more unpredictable environmental conditions, such as those expected under ...
Ecology
Mar 8, 2018
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10
