Vocabulary
An organism that can make its own food
What is a producer?
Consumers that eat only animals
What are carnivores?
When heavy drops of water fall to Earth as rain, snow, sleet, or hail
What is precipitation?
Suppose that the producers at the base of an energy pyramid contain 330,000kcal
If mice ate all of the plants, how much energy would be available to them as first-level consumers?
What is 33,000kcal?
Daily Double
Consists of many overlapping food chains in an ecosystem
What is a food web?
The process by which molecules of liquid water absorb energy 7 change to a gas
What is evaporation?
Consumers that eat both plants & animals
What are omnivores?
Daily Double
The process of changing free nitrogen into a usable form of nitrogen
What is nitrogen fixation?
Suppose that the producers at the base of an energy pyramid contain 330,000kcal
If all of the mice were eaten by snakes, how much energy would the snakes receive?
What is 3,300kcal?
Shows the amount of energy that moves from 1 feeding level to another in a food web
What is an energy pyramid?
An organism that obtains energy by feeding on other organisms
What is a consumer?
A carnivore that feeds on the bodies of dead organisms
What is a scavenger?
What are evaporation, condensation, & precipitation?
Suppose that the producers at the base of an energy pyramid contain 330,000kcal
If all of the snakes were eaten by the owl, how much energy would the owl receive?
The processes of evaporation, condensation, & precipitation make up __________.
What is the water cycle?
The process by which a gas changes to a liquid
What is condensation?
These break down biotic wastes & dead organisms & return the raw materials to the ecosystem
What are decomposers?
Carbon & oxygen are both __________ in an ecosystem
What is recycled?
If an owl has 330kcal of energy, about how much energy would the owl use for its life processes or lose as heat?
What is 297kcal?
The process by which a gas changes to a liquid is called _________
What is condensation?
Consumers that eat only plants
What are herbivores?
A series of events in which 1 organism eats another & obtains energy
What is a food chain?
When humans burn fuel or cut down trees, they __________ levels of carbon dioxide in the atmosphere
What is increase?
If an owl starts with 330kcal of energy & uses 297kcal for life processes or lost as heat, how much energy would be stored in the owl's body?
What is 33kcal?
In ecosystems, producers, consumers, & decomposers are linked by their roles in recycling carbon & __________
What is oxygen?