Living things and the Environment
What is a population?
A series of events in an ecosystem in which organisms transfer energy by eating and by being eaten
What is different about how producers and consumers get energy?
Producers make their own food using energy from the sun
Consumers can only get energy by eating other organisms
A living part of an organism's habitat
(Bonus points if you get correct response AND include an accurate example)
What is a biotic factor?
Example: plant, rabbit
Mushrooms and bacteria are an important _________
These are more like consumers than producers because they do not make their own food using energy from the sun. They rely on energy from other organisms. What are they?
What are decomposers?
A nonliving part of an organism's habitat
(Bonus points if you get correct response AND include an accurate example)
What is an abiotic factor?
Example: sand, rocks
A diagram that shows the amount of energy that moves from one feeding level to another in a food web
What is an energy pyramid?
What do consumers release as they break down food to obtain energy?
What is carbon dioxide and energy?
In terms of its effect on population, which factor is most similar to birth rate?
a. immigration
b. density
c. emigration
d. carrying capacity
What is..
a. immigration
A ___________ obtains energy by feeding on other organisms.
What is a consumer?
The process of changing free nitrogen into a usable form of nitrogen
What is nitrogen fixation?
A limited source of water in an environment that eventually causes a population to decrease in size
What is a limiting factor?
An organism that can make its own food is a ___________
What is a producer?
Producers use ____ to make food. _____ is also converted by plants to compounds that help plants grow. Consumers eat other organisms and take in their ______ compounds. When producers and consumers then break down the food to obtain energy, they release __________ and water into the environment. What is this the cycle of?
What is carbon?