Ecosystems 1
Ecosystems 2
Ecosystems 3
Ecosystems 4
Ecosystems 5
Ecosystems 6
100
An organism that makes food for itself
What is a producer?
100
An organism that uses sunlight to create its food
What is a producer?
100
The population of rabbits is going to go up and down with predators, so the population is stabilized.
What happens to a population of rabbits with predators in an ecosystem?
100
Impact of the sun on grass
What is providing energy for photosynthesis?
100
A wolf gains energy from ________________
What are smaller/primary consumers?
100
The arrows in a food chain and food web represent....
What is the flow of energy?
200
An organism that eats something else for food
What is a consumer?
200
What type of organism is found at the beginning of all food chains?
What is producers?
200
Fungi are on the food chain and they are responsible for ________________
What is breaking down decaying materials (decomposers)?
200
A system of overlapping food chains
What is a food web?
200
The flow of energy from a producer to one or more consumers. (ie: linked together by their feeding relationships)
What is a food chain?
200
What happens to a population of bunnies that has no predators?
The population increases.
300
Animals ____________ for food, water, territory, and mates.
What is a competition/compete?
300
Any living thing that feeds on the waste of dead bodies of other living things.
What is a decomposer?
300
Bacteria, fungi, worms, ants, beetles, sow bugs
What are some examples of decomposers?
300
Many of the same species such as a school of one species of fish.
What is a population?
300
At the start of a food chain; what are those organisms called
What are producers?
300
The first species to an area called
What is a pioneer species?
400
The living and nonliving things and the ways they interact in an environment (ex: forest, wetland, desert)
What is an ecosystem?
400
An organism that feeds on dead and decaying organisms
What are scavengers?
400
Living and nonliving things are parts that make this.
What are ecosystems?
400
There was previously soil in the area where new growth is taking place (typically happens after a forest fire.
What is secondary succession?
400
Doubling a region’s human population
What is overpopulation?
400
In the food web, the mushroom and bacteria
What are decomposers?
500
Environmental changes happen all the time. Some of these changes are easy to spot. For example, the figure below shows a sign that you might see while riding along a road in many places.
What can you conclude about environmental changes after seeing this sign?
What is human destruction of habitats?
500
How animals rely on each other in an environment to live. A series of food chains showing energy flow.
What does a food web show?
500
The process of one ecological community turning into another.
What is ecological succession?
500
An animal that eats plants or other animals and does not make its own food.
What is a consumer?
500
Organisms that eat the producer
What are primary consumers? (herbivores typically)
500
3 limiting factors for a population
What are food, water, and space?
600
A relationship where two species benefit each other.
What is mutualism?
600
A mosquito sucking blood from a person
What is parasitism?
600
All energy in an ecosystem flows in this.
What is a food web/food chain?
600
Three types of organisms in an ecosystem.
What are producers, consumers, and decomposers?
600
5 needs of living things:
What are water, food, energy, oxygen, and
suitable living conditions?
600
An ecological community that is no longer going through change.
What is a climax community?
700
Energy flows and matter __________
What is cycles?
700
When neither organism benefits or is harmed
What is commensalism?
700
A swarm of bees
What is a population?
700
The regrowth of an ecosystem from bare rock.
What is primary succession?
700
Something that is being hunted
What is prey?
700
sun + CO2 + H2O --> glucose (food) + O2
What is the formula for photosynthesis?