Mrs. Deeds AP Biology Blog
Friday, August 31, 2012
Kelsea Willenbrock photos 19-26
Modified stem of a plant:
this blackberry bush has modified its stem over time so that the thorns discourage predators from harming the plant.
these blackberries are the ripened ovary from the flower that came before the fruit.
Adaption of a plant:
the thorny edges of this leaf are an adaption to protect the plant.
plants are autotrophs, meaning that they go through the process of photosynthesis in order to gain nutrients.
the seed (in the cone) of a flowerless, seed bearing plant, like the pine tree.
parasitism is the relationship between two organisms where one is helped and the other is hurt. For example, the slug that ate this leaf had a tasty meal while the plant suffered from it.
Cuticle layer of a plant:
the waxy layer on these leaves helps prevent water loss on the leaves and stem.
fermentation is the process of yeast interacting with sugar to produce ethanol. This is what happens to grapes when they become wine.
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