Long day plant- a plant that doesn’t need to darkness.

Herbaceous stem- a plant with little or no woody stem.

Muscle Fiber- muscles connected at either or both ends of a bone.

Heart wood- The older, nonliving centeral wood of a tree, darker and harder for support.

Cambium- the layer (rings of wood) where the growth of a tree occurs.

Biological Magnification- Where pesticides and heavy metals move up the food chain like through a river and is eaten by fish.

Bryophyte- plants that dont have seeds or flowers, they reproduce by spores, like moss.

Fond- large leaf with many divisions in it.

Woody Stem- plants that have been growing for years and the stem thickens. trees are the largest.

Radial symmetry- ballance and duplication of shape on plants and animals.
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