Organism Relationships Worksheet Packet In Yellowstone National Park, the populations of wolves and moose rise and fall in cycles. Use the graph to answer questions 1 through 8.

1. What variable is plotted on the x-axis?
2. What variable is plotted on the y-axis?
3. How did the Moose population change between 1965 and 1975?
4. What happened to the wolf population from 1973 through 1976
5. Infer how the change in the moose population might have led to the change in the wolf population

6. Draw a conclusion about one likely cause of the dip in the moose population between 1975 and 1980.

7. Predict how a disease in the wolf population during one year might affect the moose population the next year.
8. What type of relationship do the wolves and moose in Yellowstone have?
a. parasite / host b. predator / prey c. competitor / predator d. symbiosis / prey

9. How does the camouflage of a walking stick insect affect the population size of that species?

Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6

Complete the sentences by matching the names of trees to the appropriate blanks. to do this, drag the names on the left into the appropriate blanks in the sentences on the right. match the words in the left column to the appropriate blanks in the sentences on the right. terms may be used more than once. make certain you have filled every blank with a term before clicking submit. 1. deciduous trees lose their leaves seasonally and include trees such as maple and elm. 2. conifer leaves are generally thin and needle-like, while seeds are contained in cones. conifers include cedar and pine. 3. evergreens are plants that maintain their leaves in all seasons and include trees such as cedar, elm, and pine. 4. hardwoods reproduce using flowers and have broad leaves; hardwoods include trees such as maple, , and cedar. elm returned you filled in 2 of 10 blanks incorrectly. mango trees are tropical broad leaf plants that maintain their leaves all year long. no credit lost. try again.

Which beat describes the brain stem