Ecosystem 03

Question 0

What is an energy flow?

Answer 0

The movement of energy, starting from the sun, and passing from one organism to the next
-At each step along the chain, energy is taken in by an organism

Question 1

What is a food chain?

Answer 1

A model which shows how energy stored in food passes from one organism to organism
-Every food chain starts with a producer or plants

Question 2

What are producers?

Answer 2

Producers are plants and algae that produce food for themselves and others
Producers are what starts a food chain, making life possible for all other organism on earth

Question 3

What are consumers?

Answer 3

-All other organisms (that are not producers). Eat food made by the producers.

Question 4

What are herbivores?

Answer 4

plant-eating animal

Question 5

What are carnivores?

Answer 5

The next organism in the food chain. meat eaters

Question 6

What are top carnivores?

Answer 6

The carnivore at the end of the food chain

Question 7

What are omnivores?

Answer 7

an animal that eats other animals and plant material

Question 8

What are scavengers?

Answer 8

Organisms that eats dead, decaying plant or animal matter

Question 9

What are decomposers?

Answer 9

• Break down (do not eat) dea or waste material (such as rotting wood or manuare)
• Absorb some nutrient from the broken down material into their own cells
• Bacteria are micro-organisms
• Other decomposers, like fungi are large

Question 10

Ecological Pyramid

Answer 10

• Includes the same organism as in a food chain
• As you go up the food pyramid, less and less good energy is available at each level
  e. x.- each time a caterpillar eats a maple leaf, energy is lost as heat
• Only a small amount of energy stores in the tissues of the caterpillar is passed on to a birds who eats it.

Question 11

What is biomass?

Answer 11

Total of mass of all the organisms in an ecosystem