Food Webs
This is where the lowest organism on a food chain gets its energy.
What is the sun?
This type of ecosystem is one in which many kinds of plants and animals are able to meet their needs.
What is a healthy ecosystem.
True or False: Weather can change an environment.
What is true.
What is it called when humans fish in one area for too long?
Overfishing
Of the following: Sun, Prairie grass, Plant Seeds and Deer, this is classified as a consumer.
What is Deer
This type of organism can break a rock because of it's growing roots.
What is a plant or tree.
If an organism discovers its food source is going down, it moves somewhere else for food. What is this called?
Adapting
Humans help prevent flooding by building these in the roadways.
Drains
These break down dead organisms and recycle materials.
What is a decomposer
If the number of flying insects in an area goes down, and swallows, which are birds, rely on flying insects to eat, what might happen to the swallows?
What is move away or die.
How does a beaver building a dam change its ecosystem?
It creates a pond.
What happens to plants and animals when humans tear down trees to build houses?
The plants or animals either move or die
In an aquatic food chain, this organism gets the most energy directly from the Sun.
What is phytoplankton
This is what would happen to an ecosystem if a new species was introduced.
How does an earthworm change its environment?
By building tunnels.
What is it called when humans put trash into the environment?
Pollution or littering
This is where food webs begin and where their energy is supplied from.
What is the sun
True or False: The main requirement for a diverse ecosystem is that there are enough resources available to support many different types of organisms.
What is True.
What happens to the sidewalk when a tree's roots grow too big?
It cracks
True or False: Humans can have a positive impact on the environment.
True