a visual representation showing how energy decreases as it moves through different levels of an ecosystem, with producers at the base and top predators at the top, where only a small amount of energy remains

the position an organism occupies in a food chain, indicating how far it is from the start of the chain

an organism that can create its own food, typically using sunlight through photosynthesis, essentially forming the base of a food chain

an organism that can produce its own food, like a plant, using sunlight, water, and carbon dioxide, essentially "self-feeding" through a process called photosynthesis

an organism that needs to eat other organisms to obtain energy

an organism that cannot make its own food and must obtain nutrients by eating other plants or animals

a living organism, like a bacteria or fungus, that breaks down dead plants and animals, recycling their nutrients back into the environment for other organisms to use.

an organism in a food chain that eats plants (producers)

an organism in a food chain that eats primary consumers

an animal in a food chain that eats other carnivores (secondary consumers), essentially sitting at the top of the food chain with no natural predators

a top predator that is at the top of the food chain and is not preyed upon by any other animal

an animal that only eats plants

an organism that eats mostly meat, or the flesh of other animals

an organism that eats both plants and animals

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Trophic Levels

7th Grade Unit 20

Term	Definition
Energy Pyramid	a visual representation showing how energy decreases as it moves through different levels of an ecosystem, with producers at the base and top predators at the top, where only a small amount of energy remains
Trophic Level	the position an organism occupies in a food chain, indicating how far it is from the start of the chain
Producers	an organism that can create its own food, typically using sunlight through photosynthesis, essentially forming the base of a food chain
Autotrophs	an organism that can produce its own food, like a plant, using sunlight, water, and carbon dioxide, essentially "self-feeding" through a process called photosynthesis
Consumers	an organism that needs to eat other organisms to obtain energy
Heterotrophs	an organism that cannot make its own food and must obtain nutrients by eating other plants or animals
Decomposers	a living organism, like a bacteria or fungus, that breaks down dead plants and animals, recycling their nutrients back into the environment for other organisms to use.
Primary Consumers	an organism in a food chain that eats plants (producers)
Secondary Consumers	an organism in a food chain that eats primary consumers
Tertiary Consumers	an animal in a food chain that eats other carnivores (secondary consumers), essentially sitting at the top of the food chain with no natural predators
Apex Predators	a top predator that is at the top of the food chain and is not preyed upon by any other animal
Herbivore	an animal that only eats plants
Carnivore	an organism that eats mostly meat, or the flesh of other animals
Omnivore	an organism that eats both plants and animals

Created by: klstorie

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