Without the benefits of evolutionary genetic variation that accompany meiotic reproduction, how does an asexual invasive species adapt over time to a new environment to survive? In all-female weevil species that produce only ...
Ecology
Jul 30, 2021
0
2285
The female tsetse fly, which gives birth to adult-sized live young, produce weaker offspring as they get older, and when they feed on poor quality blood.
Plants & Animals
Jul 20, 2021
0
432
A team of researchers from Uppsala University, the University of Cincinnati and the University of Toronto has found that there are benefits for female seed beetles mating with males with extra-long spiny genitalia. In their ...
As mosquito-borne diseases pose risks for half the world's population, scientists have been releasing sterile or genetically modified male mosquitos in attempts to suppress populations or alter their traits to control human ...
Plants & Animals
Jun 24, 2021
1
15
Choosiness will lead to the best offspring. Being too choosy, however, could in the end result in no offspring at all. Female fruit flies have a solution to this dilemma.
Plants & Animals
Jun 22, 2021
0
12
The death of a mother is a traumatic event for immature offspring in species in which mothers provide prolonged maternal care, such as in long-lived mammals, including humans. Orphan mammals die earlier and have less offspring ...
Plants & Animals
Jun 17, 2021
0
14
A team of researchers affiliated with multiple institutions in the U.S. has found that rising temperatures due to climate change could lead to changes in the gender ratios of the American alligator. In their paper published ...
Brown bears that are more inclined to grate and rub against trees have more offspring and more mates, according to a University of Alberta study. The results suggest there might be a fitness component to the poorly understood ...
Plants & Animals
May 12, 2021
0
117
Researchers at Lund University in Sweden have investigated how the X and Y chromosomes evolve and adapt to each other within a population. The results show that breaking up coevolved sets of sex chromosomes could lead to ...
Biotechnology
Mar 25, 2021
0
21
Long life is common among bird parents that get help with childcare. This finding comes from researchers at the universities of Lund and Oxford who reviewed data from more than 9,000 studies.
Plants & Animals
Mar 9, 2021
0
33
