Fill in the blank Ozone is a molecule made of three oxygen atoms. It resides in the atmosphere and helps protect the planet from the Sun's highly damaging ultraviolet rays. This gas also helped cool early Earth's a. lithosphere
b. atmosphere
c. hydrosphere
d. core

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi

Which animal is a producer in this ecosystem