Human Impact
Definitions
Food Webs
Community Interactions
Miscellaneous
100
The act of clearing forests is known as:
What is deforestation?
100
During parasitism, this is the organism that harms the animal or plant it is attached to.
What is the parasite?
100
Food webs always begin with the species that can make its own food known as:
What are producers?
100
A lion hunting a gazelle is an example of this type of community interaction.
What is predation?
100
Gopher tortoises are known as this type of species because they affect so many other animals in their environment. If they are removed, the rest of the ecosystem is drastically effected.
What is a keystone species?
200
Fertile land that becomes desert due to humans using the land irresponsibly is known as:
What is desertification?
200
In parasitism, this is the organism being harmed.
What is the host?
200
These species in a food web must eat other organisms to gain energy and nutrition.
What are consumers?
200
A panther and a bear hunting are hunting the same deer. Only one of them can have it. This is an example of what type of community interaction?
What is competition?
200
The deer and wolves share the space of Yellowstone Park. The deer eat the vegetation and the wolves eat the deer. What is the niche of the wolves?
What is maintaining deer populations?
300
The act of humans moving into cities is known as:
What is urbanization?
300
The relationship between different species in an environment.
What is symbiosis?
300
These organisms break down dead plants and animals to return nutrition to the soil.
What are decomposers?
300
The chital deer eat under the trees that belong to the langura monkeys. The deer get to eat the fruit that the monkeys drop and in return, the deer warn the monkeys about predators hiding in the grass. What type of community interaction is this?
What is mutualism?
300
There is a healthy group of lions. There is lots of water and space for all of them but only enough food for 15 lions to survive. What is the limiting factor?
What is the amount of food?
400
This type of animal or plant is brought into an ecosystem by humans and does not belong there. As a result, there are no predators to control their populations.
What are invasive species?
400
These things keep a population from getting out of control, like predators, disease, or food.
What are limiting factors?
400
In a food web, the arrows represent the flow of this.
What is energy?
400
The ramora is a small fish that attaches itself to the bodies of sharks. The ramora get to eat the leftovers from the shark and the shark is not affected. What type of community interaction is this?
What is commensalism?
400
Both lions and cheetahs will eat ostrich, which helps control the ostrich population. If the lion were to go extinct, what animal could replace its niche?
What is the cheetah?
500
When humans negatively impact the environment, it results in the loss of the variety of species, also known as: 
What is biodiversity?
500
The job or role of an animal in an ecosystem.
What is a niche?
500
In a food web, the animals that get eaten by other animals are known as:
What are prey?
500
A tapeworm grows inside the stomach of a student. The tapeworm digests the food of the student, stealing all the nutrition the student needs. The tapeworm grows fat and healthy but the student becomes weak and sick. What kind of community interactions is this?
What is parasitism?
500
As energy travels up the trophic pyramid (food pyramid), how does it change?
What is it decreases?