Biotic vs. Abiotic
_____________________________any nonliving part of an ecosystem.
Abiotic
_____________________include all the interactions between living and nonliving things in a given area.
Ecosystems
There would be no life without energy from the ________________.
Sun
marine plant - fish - seal - shark
Name the primary consumer in the food chain.
fish
Order the words community, population, ecosystem, and organism. Provide an example of each.
An organism is a single living thing, such as a fish.
A population is a group of the same species living in the same area, such as a school of fish in the same area.
A community is a group of living things of different species living in the same area, such as a group of fish and birds that might eat the fish.
An ecosystem is the interactions of all the living and nonliving components in a specific area. The ecosystem would include the fish, birds, water, the Sun, rocks in the bottom of the water, etc.
_______________________any living or once-living part of an ecosystem.
Biotic
____________________ a group of the same species living in the same area.
Population
Primary consumers are also called __________________.
herbivores
marine plant - fish - seal - shark
Name the tertiary consumer in the food chain.
shark
Explain how reintroducing the wolves to Yellowstone changed the ecosystem.
Reintroducing the wolves changed the Yellowstone ecosystem. The wolves hunt the elk and deer. Less deer and elk leads to more plant growth. Rabbits and small animals can hide in the grass from their predators. There are more berries, so the bear population increases. Additionally, The deer and elk stop gathering at the water. Their hooves caused erosion. With less deer and elk gathering at the water, the water clears up. There are more beavers and fish.
Look at the list of words. Name the 3 abiotic factors. Dog, Oxygen, Sun, Human, Cat, Water
Oxygen, Sun, Water
____________________any individual living thing.
Organism
______________________ are organisms that use sunlight to make their own food.
Producers
marine plant - fish - seal - shark
Name the producer in the food chain.
marine plant
Look at the list of words. Name the 3 biotic factors. Dog, Oxygen, Sun, Human, Cat, Water
Dog, Human, Cat
_______________________a group of different species living in the same area.
Community
___________________ eat other animals for energy.
Carnivores
marine plant - fish - seal - shark
Name the secondary consumer in the food chain.
seal
Explain how an abiotic factor could influence a biotic factor.
The Sun is an abiotic factor. Plants, which are biotic, need the energy from the Sun to carry out photosynthesis and get energy.
____________________ are organisms that break down dead plants, animals, and waste products into simpler substances.
Decomposers
___________% of energy is transferred from one level to the next.
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