A group of maple trees is an example of a _____.
population
Trash in a stream is one kind of _____.
pollution
Which of these is an abiotic factor?
A.) lack of food
B.) disease
C.) cold temperatures
D.) introduction of a new plant
C, cold temperatures
What is the difference between an environment and an ecosystem.
An environment is all the living and nonliving things in an area. An ecosystem is the interaction of the living and nonliving things in an environment.
The living parts of an ecosystem are _____.
biotic
Nonliving factors in an ecosystem are _____ factors.
abiotic
Which of these is NOT an abiotic factor?
A.) air
B.) soil
C.) mushrooms
D.) water
C.) mushrooms
Imagine that a new kind of animal has suddenly appeared. How might it affect the local ecosystem?
The new animal will compete for food with other animals. It might eat all the plants, causing other animals to die. It might each all of one kind of animal, until there are no more in that area.
All the living and nonliving things in an area interact to form an _____.
environment
An _____ includes all the living things and nonliving things in an area.
ecosystem
What is the main idea behind planting trees in an area that has been logged?
A.) pollution
B.) habitat restoration
C.) harvesting natural resources
D.) preserving an ecosystem
B.) habitat restoration
A builder has bought land that includes a forest. The builder is planning to put in a neighborhood of houses. Name a possible negative affect the builder and other humans might have on this ecosystem.
Cut down trees, dump waste into the streams, fill in wetlands, etc.
An ecosystem that includes many kinds of living things has _____.
What is the difference between biotic and abiotic?
Biotic includes living things, abiotic includes nonliving things.
Which statement is true about an ecosystem?
A.) Biotic factors are the climate.
B.) The climate affects biotic factors.
C.) Biotic factors cause abiotic factors.
D.) Biotic factors never change.
B.) The climate affects biotic factors.
A builder has bought land that includes a forest. The builder is planning to put in a neighborhood of houses. Name a possible positive affect the builder and other humans might have on this ecosystem.
Build carefully to preserve forest, manage waste, etc.
Several kinds of plants and animals living in the same place form a _____.
community
Name one example of pollution, and one example of habitat restoration.
Pollution: smoke from cars, litter on the side of the road, etc.
Habitat Restoration: Planting trees, cleaning up trash, etc.
Which of these has the greatest effect on an ecosystem?
A.) communities
B.) biotic factors
C.) climate
D.) population
C.) climate
What breed of dog is Captain?
Black Lab ;)