Sunday, August 30, 2009

AP BIOLOGY (cont.)

21. Fermentation : A catabolic process that makes a limited amount of ATP from glucose without an electron transport chain and that produces a characteristic end product, such as ethyl alcohol or lactic acid. In the examples (yogurt and) below, both undergo fermentation.


22. Pollen:
The fertilizing element of flowering plants, consisting of fine, powdery, yellowish grains or spores, sometimes in masses
. In the pictures below, especially near the center, is pollen.



23. Population :
The total number of persons inhabiting a country, city, or any district or area. The pictures below show reptiles and fishes living together in their area.



24. Asexual Reproduction : Invovles only one parent; This reproduction produces genetically identical offspring by budding (the division of a single cell or the entire organism) into two or more parts. In the example below, strawberries have stolons who plant themselves around the strawberries to produce more.



25. Autotroph: Any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria and protists. Plants (like flowers) are autotrophs.


26. Pollinator: Anything that assists in transferring pollen from one plant to another. Below is a picture of a bumblebee and wasp was who is rubbing itself against the flower, and later will repeat, thus he will spread pollen.


27. Rhizome: A rootlike subterranean stem, commonly horizontal in position, that usually produces roots below and sends up shoots progressively from the upper surface. These are just many pictures of different potatoes, which are rhizomes.


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