Author Question: What important contribution to science did Miller and Urey make in the 1950's? a. Discovered that ... (Read 44 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
What important contribution to science did Miller and Urey make in the 1950's?
 
  a. Discovered that prokaryotes were the first organisms on the earth.
  b. Formulated the theory of environmental determinism.
  c. Formulated the doppler shift theory.
  d. Created a model of the initial atmosphere of the earth that readily generated the building blocks of life.

Question 2

In Thomas Malthus' 1798 essay he reasoned that:
 
  a. The geological differences were created by gradual changes over time.
  b. Organisms tend to reproduce in excess to the increase of the food supply.
  c. All creatures have a common descendent.
  d. Species must be reproductively viable to survive.



aham8f

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

D

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

For a complete list of videos, visit our video library