Intense UV light from the sun is lethal to living things.Currently,some 99% of all incoming UV is blocked by the ozone layer which didn't develop until well after the first life-forms.How might the very earliest organisms have avoided the intense UV rays?
A) Stayed below ground
B) Had scales
C) Stayed underwater
D) Only came out at night
Correct Answer:
Verified
Q18: Gathering information just to add to the
Q21: Which organism in this picture is the
Q22: Which part of the ecosystem is called
Q23: Which of the following statements about the
Q24: Photosynthesis is the primary chemical reaction that
Q25: Which type of ecologist would be most
Q27: Archaea are a distinct group of organisms
Q29: Energy flows through an ecosystem.What is typically
Q30: Which of the following statements is true?
A)Prokaryotic
Q31: All living things require substantial quantities of
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