biosphere and energy

Question 1

what 3 things does trophic level 1 need energy for?

Answer 1

• heat loss
• growth
• reproduction

Question 2

what 5 things does trophic level 2 need energy for?

Answer 2

• heat loss
• growth
• reproduction
• feed its young
• move around

Question 3

what 5 things does trophic level 3 need energy for?

Answer 3

• heat loss
• growth
• reproduction
• feed its young
• move around

Question 4

about ___% of energy is passed onto the next trophic level

Answer 4

10%

Question 5

as the trophic level _____, the amount of energy transferred from the sun ______

Answer 5

increases / decreases

Question 6

energy flows in ___ _____ through the _____

Answer 6

one direction / biosphere

Question 7

energy moves into the ____ and then goes back to the ______

Answer 7

biosphere / environment

Question 8

what does an energy pyramid show?

Answer 8

the amount of energy the producers and consumers contain as energy flows through the ecosystem

Question 9

how does a plant obtain chemical energy?

Answer 9

photosynthesis– converting radiant energy into chemical energy

Question 10

how does an animal obtain chemical energy?

Answer 10

eating other organisms

Question 11

how does a plant or animal use its chemical energy?

Answer 11

cellular respiration

Question 12

what is the reaction of photosynthesis?

Answer 12

carbon dioxide + water + light energy

= glucose + oxygen

Question 13

what is the reaction of cellular respiration?

Answer 13

glucose + oxygen

= carbon dioxide + water + energy

Question 14

what is a complimentary process?

Answer 14

the (almost) opposite processes in the cycle