#1 Populations
What is population?

Two things that increase a population

Two things that decrease a population

Humans and dogs live together, are they part of the same population? Why or why not?

#2 Limiting Factors
Explain each of the 3 limiting factors listed on this site:

1.-

2.-

3.-

#3 Ecosystems
What is an ecosystem?

What do ecosystems include?

What happens if one part of an ecosystem in damaged or destroyed?

#5: Food Chains
What do all living things need? Why?

Where do animals get it? Plants?

What do the links (arrows) in a food chain represent?

Explain how the last food chain represents a full circle of life.

Click on the tabs on the left and fill in the blanks (herbivore, omnivore, decomposer, etc)

A person is called a because they eat meat & vegetables.

are animals that only eat meat.

are animals that only eat plants.

break down dead matter.

Click on “Food Chain Game” in upper left hand corner
Play the game, then diagram (draw and label) the last food chain:

#6 Food Webs

Choose a food Web

Name a consumer in your food web

Name a producer in your food web

Name a decomposer(if there is one) in your food web

#7 Energy in an Ecosystem

Write three to five sentences describing what you learned:

Draw and label an Energy Pyramid:

Why are there less organisms as you move up the energy pyramid?

#8 10% Rule and Energy Pyramids

Nearly all of the ¬¬¬¬¬ that drives ecosystems ultimately comes from . , which is an factor, by the way, enters the ecosystem through the process of photosynthesis.
Why are plants called producers?

What are other producers besides plants?

How much energy to consumers obtain when they eat? What happened to the rest?