the process by which plants obtain food using carbon dioxide and sunlight
What is a photosynthesis.
100
an organism that creates its own food using energy from abiotic factors
What is a producer
100
How do producers obtain their energy?
What is sunlight
100
Producer
What is any plant
100
This invasive species took over the Hudson River and caused many changes to the ecosystem.
What are zebra mussels
200
factor in an ecosystem that is not alive
What is abiotic
200
an organism that consumes dead and decaying organisms
What is a decomposer
200
As you move up the food pyramid the amount of ________________ decreases
What is chemical energy.
200
Decomposer
What is anything that eats decaying organisms (bacteria)
200
An organism that decreased when the zebra mussels invaded is?
What is phytoplankton, rotifers, copepods, cladocera, uniondea, and sphaeriidea.
300
includes all of the living things (plants, animals and organisms) in a given area, interacting with each other, and also with their non-living environments (weather, earth, sun, soil, climate, atmosphere)
What is an ecosystem
300
an organism that gets its energy by eating producers
What is primary consumer or herbivore
300
What would a student use to show feeding relationships between all organisms
What is food web
300
An owl is an example of?
Pick 2: Primary consumer, secondary consumer, herbivore, carnivore, omnivore.
What is secondary consumer and carnivore.
300
An organism that increased after the invasion of the zebra mussels
What is bacteria
400
factor in an ecosystem that is alive
What is biotic
400
An organism that gets its energy from eating primary consumers and producers.
What is secondary consumer or omnivore
400
Carnivores depend of producers because...
What is carnivores eat animals that eat plants
400
A mouse is an example of?
What is a consumer or omnivore
400
What happened to the ecosystem after 20 years time passed?
What is balanced out.
500
shows how each living thing gets food, and how nutrients and energy are passed from creature to creature.
What is a food chain.
500
An organism that eats secondary consumers and other animals. It does not eat producers.
What is a tertiary consumer or carnivore.
500
Compare the process of obtaining food for producers and consumers.
What is producers make their own food and consumers eat other organisms.
500
Humans are an example of
What is secondary of tertiary consumers depending on diet.
500
What tools did scientists use to collect data about the zebra mussels?
What is water samples, secci disk, temperature, population samples, etc.