Producers, Producers, Producers
I am what I eat.
True or False
Vocab.
Yesterday, Today, Tomorrow
100
Which of the following would be an example of a population?*
A Goose
A Flock of Geese
A flock of geese, several ducks, a frog, and some marsh grass
A flock of geese, several ducks, a frog, some marsh grass, and water
A Flock of Geese
100
What is sustainability in an ecosystem?
The ability of an ecosystem to stay in balance
100
When an ecosystem is disrupted, organisms can move, fight, or die.
True or False
False
Correct answer
move, adapt or die
100
group of food chains within an ecosystem
food web
100
An ecosystem consists of:
All the living organisms of one species in an area
All the living organisms in one area
All the living and non-living things in one area
All the non-living things in one area
All the living and non-living things in one area
200
An example of a producer in an ecosystem is:
Duck
Fish
Apple Tree
Rocky Cliff
Apple Tree
200
A disease kills all of the robins in this area. It does not kill any other plants or animals. If the size of the fox population stays the same, which population of organisms will increase after the robins die? Use only the relationships between the plants and animals shown in the diagram.
Caterpillars
200
The ecosystem suffered a tornado, but due to great biodiversity, it was able to be restored. This is an example of a stable ecosystem.
True or False
True
200
An autotroph is an organism that can make its own food by synthesizing organic nutrients from inorganic materials, using energy from sunlight or a chemical source to drive the process.
producer/autotrophs
200
Ecological models are useful for what?
Making predictions about future ecological changes.
Testing predictions about future ecological changes.
Evaluating proposed solutions to environmental problems.
300
Plants compete for air, water, _________ within ecosystems.
Space and Sunlight
300
A national park is home to large populations of mountain lions, deer, rabbits, and grass. Recently, park rangers decided to introduce wolves to the park. Mountain lions and wolves both eat deer and rabbits. Deer and rabbits both eat grass. If the number of deer and rabbits eaten by the mountain lions stays the same, what will happen to the grass after wolves are introduced? Use only the relationships between the plants and animals described above.
The amount of grass will increase.
300
If there is deforestation and the trees are cut down, some animals cannot get water.
True or False
False
Shelter
300
A group of organisms that share a genetic heritage and can create offspring that are also fertile.
Species
300
The diagram below shows the feeding relationships between populations of organisms in the area. The arrows point from the organisms being eaten to the organisms that eat them. Using only relationships between the organisms shown in the diagram if most of the worms are killed, which of the following statements describes what will happen to the number of robins and why?
The number of robins will decrease because there are not enough worms for them to eat.
400
What will an abundance of resources often result in for an ecosystem?
Growth of individuals and populations
400
Competition in an ecosystem occurs when:
Animals get bored.
More than one individual or population in an ecosystem relies on (needs) the same limited resources.
Resources are unlimited.
More than one individual or population in an ecosystem relies on (needs) the same limited resources.
400
Which is TRUE regarding biodiversity?
An ecosystem is healthier when the biodiversity is great.
As long as there are enough producers, an ecosystem is considered to have a good amount of biodiversity.
The rainforest has an unhealthy ecosystem because its biodiversity is too great.
An ecosystem is healthier when the biodiversity is great.
400
the home of an animal or a plant
Habitat
400
Temperature, light, air, water, and soil are all ________ parts of the environment.
Abiotic
500
Using only the relationships between the organisms shown in the diagram, which of the following populations of organisms could be affected if the number of frogs changes?
The populations of all of the organisms shown in the diagram could be affected.
500
Changes to an ecosystem’s biodiversity can have a direct effect on humans because humans
Depend on the Earth’s natural resources
500
Clearing a forest would reduce the amount of energy available to the consumers.
True or False
True
500
continual change; meaning to continually change or shift back and forth
Fluctuations
500
Humans are causing extinction in which ways?
By overhunting animals for food or products.
By destroying the natural habitat of species.
By polluting the environments of the world.