Why would having two sets of sex chromosomes instead of one benefit a particular species? In the case of one African cichlid fish, the answer may be as variable as the traits that their offspring display.
Plants & Animals
Apr 14, 2022
0
144
All he touched turned to gold, according to the legend of King Midas from Greek mythology.
Plants & Animals
Jan 13, 2022
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17
A family of fishes called cichlids in Africa's Lake Malawi is helping researchers at the University of Massachusetts Amherst to refine our understanding of how evolution works.
Plants & Animals
Sep 16, 2021
1
263
Biologists use the term "adaptive radiation" to describe a phenomenon in which new species rapidly evolve from an ancestral species, often in response to changes in the local environment that lead to new biological niches ...
Plants & Animals
Apr 28, 2021
0
77
Animals are remarkably diverse in their sleep and activity patterns due to foraging strategies, social behavior and their desire to avoid predators. With more than 3,000 types of cichlids, these freshwater fish may just be ...
Plants & Animals
Apr 8, 2021
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72
Lake Tanganyika in Africa is a true hotspot of organismal diversity. Approximately 240 species of cichlid fishes have evolved in this lake in less than 10 million years. A research team from the University of Basel has investigated ...
Plants & Animals
Nov 18, 2020
0
54
Rank in social hierarchy is a condition not solely claimed by humans. In the animal kingdom, male peacocks exhibit brightly colored plumes to illustrate dominance, and underwater, male fish show pops of bright colors to do ...
Evolution
Nov 10, 2020
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1436
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
Trinidadian guppies behave like matadors, focusing a predator's point of attack before dodging away at the last moment, new research shows.
Plants & Animals
Jun 11, 2020
0
105
What is important when you choose a home? Space, security, light—or a combination of these? Like humans, animals make choices about where to live that have important implications for their livelihoods. But unlike humans, ...
Plants & Animals
May 19, 2020
1
198
