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

Author Question: When did the first mammals appear? a. about 40 million years ago b. approximately 65 million ... (Read 65 times)

a0266361136

  • Hero Member
  • *****
  • Posts: 538
on: Aug 11, 2018
When did the first mammals appear?
 
  a. about 40 million years ago
 b. approximately 65 million years ago
  c. over 500 million years ago
 d. over 200 million years ago

Question 2

The New Stone Age, or Neolithic, began approximately 14,000 years ago.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

dominiqueenicolee

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Aug 11, 2018
Answer to Question 1

d

Answer to Question 2

False


a0266361136

  • Member
  • Posts: 538
Reply 2 on: Aug 11, 2018
Wow, this really help

Dnite

  • Member
  • Posts: 297
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

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?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Monophyletic clades of mammals Monophyletic clades of mammals
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
School age (late childhood): 6–12 years, or to puberty. School age (late childhood): 6–12 years, or to puberty.
Synthesis of phosphatidylcholine and phosphatidylethanolamine in mammals Synthesis of phosphatidylcholine and phosphatidylethanolamine in mammals
Earth 600 Million Years Ago Earth 600 Million Years Ago
Video: Vasectomy

For a complete list of videos, visit our video library