Show:
Energy
Symbiotic Relationships
Changes in an Ecosystem
Food Web/Food Chain
Human Impact on an Ecosystem
100
This is the main energy source for the food chain
What is the sun?
100
A relationship in which both species benefit
What is mutualism?
100
This happens when the number of predators in an ecosystem increase
What is the number of prey decrease
100
This shows how each living thing gets food and how nutrients and energy are passed from organism to organism.
What is a food chain?
100
Harmful substances released into the environment by humans is known as this
What is pollution?
200
The process of photosynthesis requires the combination of these 3 items
What are water, carbon dioxide, and the sun's energy
200
A relationship in which one species benefits and the other species is neither helped nor harmed
What is commensalism?
200
This is the flow of energy through an ecosystem
What is a food web?
200
Cutting down trees, building homes and businesses, and making new roads creates loss of ____________.
What is a habitat?
300
This is the gas that is released from a plant during the photosynthesis process
What is oxygen?
300
A close relationship between two species that benefits at least one of the species
What is symbiosis?
300
If a fox population increases over time, this happens to the ecosystem.
What is an imbalance, or change?
300
These organisms get their energy from both producers and consumers
What are omnivores?
300
This is used to help scientists study the changes in a habitat
What are satellite images?
400
Plants do this during photosynthesis
What is using the sun's energy and converting it into food
400
A flea living/feeding on a dog would be an example of this.
What is parasitism?
400
These are non-native organisms which can cause economical and/or environmental harm
What is an invasive species?
400
These organisms break down dead remains and release nutrients back into the earth
What are decomposers?
400
Laws are put into place to protect this group of species
What are endangered and/or threatened species?
500
In an ecosystem, energy always moves towards this.
What are decomposers?
500
This is an organism that gives energy to a parasite
What is a host?
500
The Ohio spotted turtle is an example of this species
What is threatened?
500
The hyena, vulture, and the piranha are examples of this.
What are scavengers?
500
When a forest is cleared, this can be a way to restore the ecosystem
What is planting trees?