Chapter 2.8 Flashcards
True or False - Natural events can disrupt ecosystems?
True - All events may be able to disrupt ecosystems.
Define: Carrying Capacity
The ability of the environment to support a size of a population at its maximum.
Define: Epicormic Buds
Buds beneath the bark of trees that can regenerate the branches when the fire has passed.
Define: Lignotubers
Tubes within the roots that can grow into new shoots after fire.
What are three impacts of Seasonal Changes on Ecosystems?
- 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
What are two impacts of bushfires on ecosystems?
- They destroy both plant and animal life
- They have caused adaptions among plants so that they can survive bushfires
What are three impacts of floods on ecosystems?
- They can flush and remove small plants
- They can stop the germination of seeds
- They can be a hazard for some animal life
What is an impact of droughts on ecosystems?
- Droughts often cause animals to migrate to a new environment until conditions in their original environment improve