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Fruit fly sperm comparison

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The social environment provides males with information about the likelihood of reproductive competition. However, social context can be highly variable, and males must track their environment in order to alter reproductive investment appropriately. In addition to using information gained as adults to adjust reproductive strategies, males can use cues in early life to anticipate future mating competition and alter development of reproductive tissue. As responding to variable levels of competition may be cognitively challenging, and early life environments could influence neural development, cues of future competition during development could influence adult cognitive capacity.
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Fruit fly sperm comparison

Fruit fly sperm comparison
Fruit fly sperm comparison
Fruit fly sperm comparison
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Fruit fly sperm comparison

For him, that thing was giant sperm. In , Pitnick realized that males of the tiny fruit fly Drosophila bifurca produce gargantuan sperm cells that are 6 centimeters or 2. If a man produced sperm that big, it would stretch diagonally across a basketball court. The megasperm seemed to contradict what we knew about how evolution governs the reproductive traits of animals. Sperm are meant to be small cells that male animals can produce in large numbers with little effort. They should be tiny, disposable, and numerous.
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This Fly's Sperm Is One Thousand Times Longer Than Human Sperm

Thank you for visiting nature. You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser or turn off compatibility mode in Internet Explorer. In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. Females of many insect species are unreceptive to remating for a period following their first mating.
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When mating time rolls around, most male animals offer a glut of tiny sperm. Fruit flies operate a little differently. They deliver a few gigantic sperm.
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2 comment    

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Так бывает. Fruit fly sperm comparison
Fruit fly sperm comparison
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