The graph below shows the population of Peregrine falcons in the United States (excluding Alaska and Hawaii). Look at the graph, then answer the questions below. American peregrine falcon 1,800 Lower 48 States 1,600 1,400 1,200 1.000 800 600 400 200 1970 1996 1998 Center for Biological Diversity What type of growth is exhibited by this population? Ɔ cyclical Ɔ expotential logistic susainable 1972 1974 1976 1978 1980 1982 1984 1986 1988 1990 1992 1994

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Animal Diversity

Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.

Platyhelminthes

Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.