Are all changes to an ecosystem hurtful to plants and animals? Explain.
No, some changes may help plants and animals. Changes may give them more of the resources they need in order to survive (sunlight, food, water, shelter).
Give an example of humans changing an ecosystem.
For example, humans cut down trees to build buildings. This takes away homes of animals and takes away oxygen that the trees produced.
What is the definition of a biotic factor?
something living in an ecosystem
List a negative change to an ecosystem.
For example, people littering, which can cause animals to get hurt/sick from the trash.
Give an example of 2 species that would compete in an ecosystem. What do they compete for?
For example, racoons and owls may compete for the same hallow in a tree as their shelter.
Give an example of nature changing an ecosystem.
A natural disaster, drought, etc.
If you take away a resources from an environment, what might happen to the animals?
They will be forced to move away or fight for thie resources (competition).
List a positive change to an ecosystem.
For example, cutting down an invasive species to make more room for other species.
Give an example of a biotic factor.
Anything living- plants or animals
What is competition?
When 2 or more plants or animals are forced to fight for the same resources.
Give an example of animals changing an ecoystem.
For example, beavers cut down trees and build dams, which floods areas and creates ponds.
Your experience on this site will be improved by allowing cookies.