Ecosystems 1
Ecosystems 2
Ecosystems 3
Ecosystems 4
Ecosystems 5
Ecosystems 6
100
What is the ultimate source of energy?
Sun
100
What is a producer?
An organism that uses sunlight to create its food
100
What happens to a population of rabbits when predators are present?
The population of rabbits is going to go up and down with predators, so the population is stabilized.
100
Where does Green Algae get its energy from and why?
From the sun, because it is a producer.
100
Why are food webs important?
it shows the importance of how the ecosystem is connected.
100
The arrows in a food chain and food web represent....
the flow of energy
200
What is a consumer?
something that eats something else for food
200
What type of organism is found at the beginning of all food chains?
Producers
200
Fungi are on the food chain and they are responsible for ________________
decaying materials
200
What is a food web?
a system of overlapping food chains
200
What is a food chain?
the flow of energy from a producer to one or more consumers. (ie: linked together by their feeding relationships)
200
What happens to a population of bunnies that has no predators?
The population increases.
300
Animals ____________ for food, water, territory, and mates.
compete
300
.What is a decomposer?
Any living thing that feeds on the waste of dead bodies of other living things
300
bacteria, fungi, worms, ants, beetles, sow bugs are examples of?
decomposers
300
Many of the same species is a...
What is a population?
300
At the bottom of the food pyramid, what are those organisms called
producers
300
What happens to the population size when it reaches its carrying capacity?
The population stabilizes once it has met the carrying capacity due to limiting factors like food, water, or space. The population will no longer increase indefinitely. The population may rise and fall a little, but on average it stays about the same.
400
What is an ecosystem?
the living and nonliving things and the ways they interact in an environment (ex: forest, wetland, desert)
400
An organism that feeds on dead and decaying organisms
detritivores or scavengers
400
living and nonliving things are parts that make this.
ecosystems
400
Plants that live in a wetland are plants whose roots are under water.
Which of the following conditions do the plants shown have to cope with?
What is 'wet soil?'
400
What is at the top of a food pyramid?
Highest carnivore/ apex predator
400
In the a food web the mushroom and bacteria are....
decomposers
500
Environmental changes happen all the time. Some of these changes are easy to spot. What one factor is able to save or potentially destroy a habitat for organisms?
Humans can destroy habitats or save them.
500
What does a food web show?
How animals rely on each other in an environment to live.
500
A prickly pear, which has spiny, flat joints and thick, rounded stems that store water.
which biome is best for a prickly pear?
desert?
500
An animal that eats plants or other animals and does not make its own food.
What is a consumer?
500
On the pyramid what is the organism that eats the producer called
primary consumers
500
What are 3 limiting factors for a population?
Food, water, space
600
What is mutualism?
A relationship when both benefit each other.
600
What are abiotic factors?
The non-living parts of an ecosystem.
600
What is a food or web pyramid?
The flow of energy
600
Three types of organisms in an ecosystem.
What are producers, consumers, and decomposers?
600
What do plants have to deal with when a major pond near them dries out?
the lack of water
600
A 'role' or 'function' of an organisms ______ includes what it eats.
niche
700
There are only a few different species of plants, animals, and insects so there is low __________.
diversity
700
Plants are living things.
Which abiotic factor most likely controls where the plants in this environment live?
soil
700
What is a population?
A group of the same species in a habitat
700
If an insect species lives in only a certain type of plant and that plant is removed, what part of the insects’ life is being affected?
It's niche
700
What is the best way to get rid of an invasive plant?
Pull it out with its roots and prevent it don't plant it anywhere.
700
What are biotic factors?
the living parts of an ecosystem.