Chapter 2.8 Flashcards

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1
Q

True or False - Natural events can disrupt ecosystems?

A

True - All events may be able to disrupt ecosystems.

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2
Q

Define: Carrying Capacity

A

The ability of the environment to support a size of a population at its maximum.

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3
Q

Define: Epicormic Buds

A

Buds beneath the bark of trees that can regenerate the branches when the fire has passed.

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4
Q

Define: Lignotubers

A

Tubes within the roots that can grow into new shoots after fire.

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5
Q

What are three impacts of Seasonal Changes on Ecosystems?

A
  • When the weather becomes colder, many animals migrate to warmer areas.
  • During the breeding season, usually spring, animal numbers increase
  • Flowering plants will be pollinated and from seeds that spread throughout the environment and later germinate
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6
Q

What are two impacts of bushfires on ecosystems?

A
  • They destroy both plant and animal life

- They have caused adaptions among plants so that they can survive bushfires

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7
Q

What are three impacts of floods on ecosystems?

A
  • They can flush and remove small plants
  • They can stop the germination of seeds
  • They can be a hazard for some animal life
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8
Q

What is an impact of droughts on ecosystems?

A
  • Droughts often cause animals to migrate to a new environment until conditions in their original environment improve
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