Organization
Trophic levels
Energy Transfer
Population Growth
Random
100
The basic unit of life.
Cells
100
organisms that have to take in their energy from other organisms
Consumers / Heterotrophs
100
Where does all energy for food webs/chains come from?
The sun
100
Factors that affect the size of a population are called what?
Limiting Factors
100
If a wolf population increases what would happen to the caribou population?
Decrease
200
Where life exists on Planet earth.
Biosphere
200
Organisms that can make their own food.
Autotrophs/Producers
200
How to heterotrophs get their energy?
From eating other organisms
200
Population growth that is not affected by limiting factors, j-shaped graph.
Exponential Growth
200
Give 2 examples of biotic factors that can affect a population.
Hunters, Predators, mates, etc.
300
All of the deer in the Kaibab National Forest
Population
300
An organism that gets their energy from decomposing plants and animals
Decomposer
300
Give me one example of a food chain from the following food web.
Ex: Shrub -> rabbit -> snake -> Hawk
300
What are density dependent factors?
Factors that affect large populations more than small populations.
300
Give 2 examples of abiotic factors that can affect a population.
Water, Shelter, natural disasters, etc.
400
All of the bears, trees, fungi, and squirrels in an area.
Community
400
The first organism that eats in a food web.
Primary Consumer
400
What do arrows in a food chain/web show?
Direction of energy transfer
400
What is carrying capacity?
The amount of organisms in a population that an ecosystem can support.
400
What type of growth do all populations start as?
Exponential Growth
500
All of the rocks, water, soil, trees, birds, and flowers in an area.
Ecosytem.
500
How much energy gets transferred between each trophic level?
10%
500
What is the difference between a habitat and a niche?
Habitat is where an organism lives, a niche is the job it does in the ecosystem.
500
What are 2 examples of density independent factors?
natural disasters, pollution
500
What are the characteristics of life?
1. Has cells
2. Maintains Homeostasis
3. Reproduction
4. Grows and Develops
5. Responds to stimuli
6. Adapts and Evolves
7. Contain DNA
8. Requires Energy