« previous next »

Author Question: What important contribution to science did Miller and Urey make in the 1950's? a. Discovered that ... (Read 58 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

D

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Using the Ti plasmid and Agrobacterium tumefaciens to make transgenic plants Using the Ti plasmid and Agrobacterium tumefaciens to make transgenic plants
A Rough Guide to Spotting Bad Science A Rough Guide to Spotting Bad Science
It is important for new employees to know the location of all fire extinguishers. (A) Pull the pin ... It is important for new employees to know the location of all fire extinguishers. (A) Pull the pin ...
High school science classes are required to use deductive logic High school science classes are required to use deductive logic
Important Bonds in Biological Molecules Important Bonds in Biological Molecules
Heart - All I Wanna Do Is Make Love To You (Official Music Video) Heart - All I Wanna Do Is Make Love To You (Official Music Video)
Video: Hershey Chase Experiments

For a complete list of videos, visit our video library