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Sponges have a motile larval stage and become sessile at maturity. Conversely, many jellyfish develop as sessile polyps early in their life cycle. In the case of the cochineal , it is in the nymph stage (also called the crawler stage) that the cochineal disperses.
External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. [1] It is contrasted with internal fertilization, in which sperm are introduced via insemination and then combine with an egg inside the body of a female organism.
Attached to pregnant women or to cattle, in the skins of animals that have been sacrificed, these stones act as a preventive of abortion, care being taken not to remove them till the moment of parturition; for otherwise procidence of the uterus is the result. If, on the other hand, they are not removed at the moment when parturition is about to ...
All cells can be considered motile for having the ability to divide into two new daughter cells. [1] Motility is the ability of an organism to move independently using metabolic energy. This biological concept encompasses movement at various levels, from whole organisms to cells and subcellular components.
One large and sessile, one small and motile (oogamy). The larger sessile megagametes are eggs (ova), and smaller motile microgametes are sperm (spermatozoa, spermatozoids). The degree of motility of the sperm may be very limited (as in the case of flowering plants) but all are able to move towards the sessile eggs.
Here's a look at the odds for each of the four first-round games and the national title odds for every team in the playoff. The winner of Indiana at Notre Dame will play Georgia in the Sugar Bowl ...
Sessility, or sessile, may refer to: Sessility (motility) , organisms which are not able to move about Sessility (botany) , flowers or leaves that grow directly from the stem or peduncle of a plant
Today's Wordle Answer for #1249 on Tuesday, November 19, 2024. Today's Wordle answer on Tuesday, November 19, 2024, is GOING. How'd you do? Next: Catch up on other Wordle answers from this week.