Components of
an Ecosystem
an Ecosystem
What are producers?
Plants that make their own food through photosynthesis.
What is at the very bottom of the tropic levels?
Producers
Do humans impact the environment negatively?
Yes.
What is mutualism?
A relationship between two different species where both benefit.
___ can pollute the atmosphere.
Factories.
Why are decomposers important in an ecosystem?
They help plants and other things get the nutrients they need to grow.
True or False: Energy does not flow through organisms.
False.
What are examples of humans hurting the ecosystem?
Deforestation, pollution, urbanization, etc.
When does competition happen?
When two organisms need some of the same resources to survive.
_____ has led to habitat loss for countless of species.
What are examples of abiotic factors?
Sunlight, water, air, soil, salinity, temperature, light, minerals, pH, humidity, etc.
True or False: Energy increases as you move up the trophic levels.
False
What are examples of humans positively impacting the ecosystem?
Artificial reefs, conservation, etc.
Why are relationships between two organisms significant?
So that they can benefit from each other, or not.
Energy is __ as you go up each level.
True or False: Are protists a biotic factor?
True
Is energy lost as you move up the tropic levels?
Yes.
How does deforestation impact climate change?
By reducing the forests’ ability to absorb carbon dioxide.
True or False: Can competition happen with the same species?
True.
Food webs demonstrate the __________ of organisms in an ecosystem. Changes in one part of the food web can affect other parts.
Interconnectedness.
Judy is doing a project about trophic levels, and she plans on going to the forest nearby to list off organisms to use for her project. In the forest, she looks around and finds a deer. Judy lists it off, but she also plans to put down what component of the trophic level it is. What should she write down?
Consumer/Primary Consumer
What do secondary consumers eat?
Primary consumers.
How does farming positively impact the ecosystem?
Improve soil fertility, protect biodiversity, reduce runoff, prevent erosion, preserve habitats, enhance water quality, etc.
False.
If an organism doesn’t receive everything it needs, such as air, water, food, and ____, it will either move on to find those resources or it will die
Shelter.