Levels of Organization
Energy Pyramids
Food Chains
Food Webs
Characteristics of Life
100

One living thing

What is an organism?

100

Ten percent of the energy is available at the next trophic level

What is Ten Percent Rule?

100
A food chain passes ________ from one living thing to another.
What is energy
100

__________    ___________  are interconnected food chains.

What are food webs?

100

Maintaining a stable internal environment

What is homeostasis?

200

All the different populations living together in a given area

What is community?

200

GRASS - Grasshopper - frog - snake. 

Which has the least amount of energy available?

What is a snake?

200
A food chain ALWAYS begins with__________
What is a producer
200

Tree - squirrel - Fox     What happens to the squirrel population if more foxes are introduced? Increase or Decrease


It will decrease

200

All living things react to a stimulus

What is response?

300

Many of the same species living together in a given area

What is a population?

300

The trophic level with the most biomass

What is producers/autotroph?

300

Primary consumers eat only plants

What is herbivore?

300
All food webs start with _____________
What are producers
300

All living things obtain and use energy

What is metabolism?

400
The sum of all ecosystems; land, water, air

What is biosphere?

400

90% of energy is lost as ___________

What is a heat?

400

A bear eats both plants and meat. He is an _______________.

What is an omnivore?

400

Grass - rabbit - snake - hawk

What might happen to the grass if the snake is removed from this food chain? Increase or decrease


It will decrease

400

A ______ is the smallest unit of life. Organisms can have one cell,  ___________, or have many cells, which is called _______________.

What is cells, unicellular, and multicellular

500

All the different communities living together with their abiotic factors in the environment.

What is ecosystem?

500

If there is 100 kcal of energy at the producer level, how much energy is available to primary consumers?

What is 10 kcal?

500

The arrow in a food chain shows the direction or flow of ____________

What is energy?

500

What is the third level consumer called?

What is tertiary consumer?

500

Small changes in a species over time 

What is evolve/adapt?