BIOL 2312 Chapter Notes - Chapter 52: Germ Cell, Prostate, Glycogen
14 Sep 2017
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Bacteria, archaea, protists, and multicellular animals including cnidarians and tunicates. Fission is separation into a separate identical organism. Budding is when part of the parent"s body separates and differentiates into its own. -> make offspring that are haploid and diploid. Honeybees do both-- queen only mates once and then stores the sperm. Has evolved a number of times in reptiles. In some species, individuals can be both male and female. Hermaphroditism-- one individual has tests and ovaries for sperm and eggs. Earthworms need 2 for copulation, but both leave with fertilized eggs. Sequential hermaphroditism is changing sex protogy(cid:374)y (cid:894)(cid:862)first fe(cid:373)ale,(cid:863) (cid:895) prota(cid:374)dry (cid:894)(cid:862)first (cid:373)ale,(cid:863) (cid:895) Mostly in fish-- and sex change is under social control where there is a need of dominance. Sex can be determined genetically or by environmental conditions. Cold= male or female and same for warm. Really just depends become sometimes the extreme temperature can produce males and the middle temps make female.
