« previous next »

Author Question: What important contribution to science did Miller and Urey make in the 1950's? a. Discovered that ... (Read 99 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?

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.

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?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Steps in protein synthesis: The DNA is used as a template to make mRNA (transcription). The mRNA is ... Steps in protein synthesis: The DNA is used as a template to make mRNA (transcription). The mRNA is ...
Using the fingertips of one hand, make contact with an area on the back with high fascial ... Using the fingertips of one hand, make contact with an area on the back with high fascial ...
Fingertip kneading along the paraspinal muscles from shoulders to buttocks. Check to make sure all ... Fingertip kneading along the paraspinal muscles from shoulders to buttocks. Check to make sure all ...
Foundations of Earth Science, 7th Edition Foundations of Earth Science, 7th Edition
The population of a city has continued to grow since 1950. The population of a city has continued to grow since 1950.
Mechanisms of action of vitamin E, one of the most important lipid-soluble antioxidants Mechanisms of action of vitamin E, one of the most important lipid-soluble antioxidants
Video: Cavernous Sinus Larynx Middle Ear Orbit: Granulesm Animation

For a complete list of videos, visit our video library