Glossary
The sequence of feeding among organisms, such as a mouse eating a seed and an owl eating the mouse.
Food Chain
A deer eats only plants. That makes it a _________________.
Herbivore
True or false: The wolverine lives in a warm and dry area like the desert.
False, the wolverine live in forests or the tundra in the mountains.
From the food web, which animals consume seeds and fruits?
Bears, wolverines and squirrels
The ways that individual people, communities, and societies do things, such as the harvesting or extracting of materials and the production of goods.
Human Practices
A community of plants, animals, and their surroundings that depend on each other.
An ecosystem.
A mountain lion is a good example of this type of consumer _____________.
Carnivore
The wolverines powerful ___ and sharp____ make them powerful predators.
Jaws, Claws
What is the mountain lion's primary food source?
Elk and Deer
DOUBLE POINTS: Answer both questions correctly. Which human impact involves selective harvesting in the forests? What was the proposed change for this practice?
Timber harvesting. The CA Timber Company wants to cut down trees in the watershed.
An organism such as bacteria or fungus that breaks down organic matter into its chemical and mineral components.
Decomposer
A wolverine is a good example of a ___________.
Scavanger
True or False...
The wolverine is a secondary consumer.
False. The wolverine is a tertiary consumer and a scavanger.
What is the percentage of energy loss at each trophic level?
90%
What was the effect of removing the spawning gravel from the gravel mining human practice article?
Salmon aren't able to hide their eggs under the gravel.
An organism that gets energy and matter from a natural system, such as by eating other organisms.
Consumer
An organism that gets energy and matter by eating both plants and animals.
Omnivore
Why is the wolverine called a "Skunk Bear"?
Because they use a foul smelling musk oil to defend themselves. They smell like a skunk.
What would happen if the wolverine disappeared from the food web?
There would be many carcasses lying around.
Rice Farming: What was the effect of having leftover rice in the fields?
This provided food for the local birds
An organism that converts light energy to chemical energy that is stored in carbohydrates found in plants or algae.
Producer
The position in an energy pyramid that indicates the position an organism is on the food web.
Trophic level
There are many reasons for the decline in the population of wolverines. Name two.
Humans killed them (fear or fur), Deer pop. was killed by humans, habitat destruction (farming, mining, logging, tourism).
What would happen if the grass disappeared from the food web?
The elk would starve and move to another location, the mountain lion would have to live off deer, deer population would decrease.
What was the human practice that used machinery that released harmful chemicals and led to acid rain?
Mineral Mining