Author Question: Homo are generally classified into ___ species. a. 3 b. 2 c. 4 d. ... (Read 51 times)

jilianpiloj

  • Hero Member
  • *****
  • Posts: 521
Homo are generally classified into ___ species.
 
  a. 3
  b. 2
  c. 4
  d. 5

Question 2

The color of a person's skin depends on both the amount of blood in the small blood vessels of the skin and the amount of ________________in the skin.
 
  a. planktin
  b. riboflavin
  c. melanin
  d. pores



ju

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

b

Answer to Question 2

c



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

For a complete list of videos, visit our video library