This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Were there any eukaryotic cells on Earth 1.5 billion years ago? (Read 46 times)

lbcchick

  • Hero Member
  • *****
  • Posts: 550
on: Jan 16, 2020
Were there any eukaryotic cells on Earth 1.5 billion years ago?
◦ Yes, they first appear in the fossil record around 3.5 billion years ago.
◦ No, they do not appear in the fossil record until around 1 billion million years ago.
◦ No, they do not appear in the fossil record until around 500 million years ago.
◦ Yes, they first appear in the fossil record around 2 billion years ago.
Biology: The Core ¦ Simon ¦ 1st Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

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

Fayaz00962

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jan 16, 2020
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 39% of students answer this correctly


lbcchick

  • Member
  • Posts: 550
Reply 2 on: Jan 16, 2020
Great answer, keep it coming :)

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Correctly administering and interpreting an intelligence test is a skill that takes many years for ... Correctly administering and interpreting an intelligence test is a skill that takes many years for ...
Top Prescriptions for Children Under 17 Years of Age (2002–2010) Top Prescriptions for Children Under 17 Years of Age (2002–2010)
Jet streams and Earth’s heat budget Jet streams and Earth’s heat budget
Regulation of translation in erythropoietic cells by heme levels Regulation of translation in erythropoietic cells by heme levels
Wavelengths that penetrate the earth's atmosphere Wavelengths that penetrate the earth's atmosphere
Planet Earth compared to all its water and air! Planet Earth compared to all its water and air!
Video: Muscular System Animation

For a complete list of videos, visit our video library