This topic contains a solution. Click here to go to the answer

Author Question: Intense UV light from the sun is lethal to living things. Currently, some 99% of all incoming UV is ... (Read 84 times)

karen

  • Hero Member
  • *****
  • Posts: 537
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?
◦ Stayed below ground
◦ Had scales
◦ Only came out at night
◦ Stayed underwater


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by karen on Jan 16, 2020

amandanbreshears

  • Sr. Member
  • ****
  • Posts: 320
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 56% of students answer this correctly




karen

  • Member
  • Posts: 537
Reply 2 on: Jan 16, 2020
Great answer, keep it coming :)


sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

The FDA recognizes 118 routes of administration.

For a complete list of videos, visit our video library