Question: 4. Describe Why The Banff Springs Snail Is An Endangered Species. (2 Marks) 5. Snails With Light And Dark Bands As Well As Solid Dark Shells Live In A Particular Ecosystem With Low Shrubs And Tall Grasses. Over Time, Succession Changes The Ecosystem From Low Shrubs And Tall Grasses To A Dense Canopy Of Tall Trees. State Which Snails Will Have The Best …
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4. Describe why the Banff Springs snail is an endangered species. (2 marks) 5. Snails with light and dark bands as well as solid dark shells live in a particular ecosystem with low shrubs and tall grasses. Over time, succession changes the ecosystem from low shrubs and tall grasses to a dense canopy of tall trees. State which snails will have the best chance of survival. Explain your answer. (2 mark) 13. Explain the difference between Darwin’s explanation of how giraffes got long necks and Lamarck’s explanation. Be sure to describe how each scientist would explain how giraffes got long necks. (2 marks) 14. Describe how years of drought can affect the natural selection of the type of finches (in terms of beak width) that survive. (2 marks)
