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This is made possible by several genetic adaptions. Giant pumpkin cells grow larger than regular pumpkins, and are composed of more water (up to 94%). They also lack genes that stop fruit growth, resulting in continuous expansion. [3] Once pumpkins grow so large, they tend to no longer be round but will flatten out under their own intense weight.
Pumpkins just keep getting bigger and bigger each year, and scientists and farmers don't even know how large they can get. You're not imagining it. Pumpkins just keep getting bigger and bigger ...
Sexual reproduction has many drawbacks, since it requires far more energy than asexual reproduction and diverts the organisms from other pursuits, and there is some argument about why so many species use it. George C. Williams used lottery tickets as an analogy in one explanation for the widespread use of sexual reproduction. [36]
Selective breeding (also called artificial selection) is the process by which humans use animal breeding and plant breeding to selectively develop particular phenotypic traits (characteristics) by choosing which typically animal or plant males and females will sexually reproduce and have offspring together.
Since 2010, scientists have known that the Y chromosome is rapidly evolving in humans, but a new study shows that the same can be said across all Great Apes—the closest relatives to humans.
This fall, learn about different types of pumpkins including heirloom varieties like Jarrahdale and Cinderella. They come in all shapes, sizes, and colors!
Pumpkins require that soil temperatures 8 centimetres (3 in) deep are at least 15.5 °C (60 °F) and that the soil holds water well. Pumpkin crops may suffer if there is a lack of water, because of temperatures below 18 °C or 65 °F, or if grown in soils that become waterlogged.
Evolutionarily, humans are socially well adapted to their environment and coexist with one another in a way that benefits the entire species. Cooperative breeding, the ability for humans to invest in and help raise others' offspring, is an example of some of their unique characteristics that sets them apart from other non-human primates even though some practice this system at a low frequency ...