Energy Pyramid-What is that_

							12. Which level of the pyramid contains
the most energy?
a. A b. B c. C d. D
Energy Pyramid-What is that?
Energy Pyramid: a diagram that
  shows the amount of energy that
  moves from one feeding level into a
  food web
Trophic Levels - A feeding
level in a food chain or on a
energy pyramid. Most
energy pyramids have a
maximum of three or four
trophic levels.
Food web - The pattern of
overlapping food chains
in an ecosystem. Humans
are at the top of a food
web and several different
food chains.
Now Build your own Energy
         Pyramid
____ 11. What is missing in the above diagram
of a food chain?
a. a mouse because the owl has eaten it
b. a deer because it eats the grass
c. a tree because it is larger than the plant
shown
d. a hawk because it is a consumer
          Let Us Learn About:
• Symbiosis: What is that?

• Relationships between different organisms



• Watch four movies:
• Symbiosis basically means ‘living together’ .
  These symbiotic interrelationships can be
  divided into three main categories:
  Mutualism, Parasitism and Commensalism



                    • Wow!
               Self-starter 3
• 6. Which of the following relationships would
  best describe a cow eating grass?
• a. producer/consumer
• b. predator/prey
• c. symbiosis/mutualism
• d. symbiosis/parasitism