________ of the sun's incoming energy forms the basis for our ecological systems.
A) Twenty-three per cent
B) Thirty-four per cent
C) One per cent
D) Forty-two per cent
Correct Answer:
Verified
Q13: Earth's first living cells were probably _.
A)
Q14: The kingdom characterized by a lack of
Q15: The kelp found in abundance along much
Q16: The sun is composed mainly of _.
A)
Q17: About _ of the sun's incoming energy
Q19: Photosynthesis requires _.
A) solar energy
B) carbon dioxide
C)
Q20: Chemoautotrophs and phototrophs are both _.
A) decomposers
B)
Q21: Phototrophs obtain their energy from _.
A) producers
B)
Q22: Approximately _ of energy is lost as
Q23: _ has same trophic level as an
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents