Short answers: 1) 3 basic principles of conservation biology - Extrinsic vs Intr

Question

Short answers:

1) 3 basic principles of conservation biology

- Extrinsic vs Intrinsic values of conservation biology'

2) What are the problems encountered with Introduced species? Be able to list 2 examples and what happened when the new species was introduced.

3) What are habitat patches and how do they occur? What happens when wildlife happen to become effected by habitat patches. What are edge effects?

4) Rare species-Pupfish

5) Factors that lead to extinction

6) Human activities that threaten the survival of other species.

7) What are the two mechanisms of variation? Explain why variation in a

population is important?

8) What does the scientific community value most in a scientific study? Why is a large sample size so important?

9) Explain how our microbiota might be associated with oncogenesis. How do microbes contribute to mutagenesis? Give an example of how a microbe might be beneficial early in life and detrimental later in life.

10) What are the problems encountered with Introduced species? Be able to list 2 examples and what happened when the new species was introduced.

11) What are habitat patches and how do they occur? What happens when wildlife happen to become effected by habitat patches. What are edge effects?

Explanation / Answer

1.Conservation biology is the management of nature and of Earth's biodiversity with the aim of protecting species, their habitats, and ecosystems from excessive rates of extinction and the erosion of biotic interactions.

2Examples of introduced animals that have become invasive include the gypsy moth in eastern North America, the zebra mussel and alewife in the Great Lakes, the Canada goose and gray squirrel in Europe, the muskrat in Europe and Asia, the cane toadand red fox in Australia, nutria in North America, Eurasia, and Africa,

These newly introduced species face problems in initial days of their survival after that they become used to the new habitat.

3.A habitat patch is any discrete area with a definite shape, spatial and configuration used by a species for breeding or obtaining other resources.

Edges effects refer to the changes in population or community structures that occur at the boundary of two habitats.

4.Pupfish are a group of small killifish belonging to ten genera of the family Cyprinodontidae of ray-finned fish. Pupfish are especially noted for being found in extreme and isolated situations.

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