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

Author Question: Darwin argued that the large physical size of males was a physical specialization to aid in ... (Read 26 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
on: Jul 10, 2018
Darwin argued that the large physical size of males was a physical specialization to aid in competition between males for females. He called this theory:
 
  a. sexual selection.
  b. natural selection.
  c. hybrid selection.
  d. reproductive selection.
  e. intra-species competitive selection.

Question 2

We have ample reason to suppose war has become a problem only in the past _____years, since the invention of food-production techniques and especially centralized states.
 
  a. 5,000
  b. 50,000
  c. 10,000
  d. 100,000
  e. 150


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 10, 2018
Answer to Question 1

ANSWER: a

Answer to Question 2

ANSWER: c


crobinson2013

  • Hero Member
  • *****
  • Posts: 535
Reply #2 on: Jul 10, 2018
Thank you :)


AmberC1996

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jul 10, 2018
Happy to help you


« previous next »
 

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu
Albatrosses, of the biological family Diomedeidae, are large seabirds Albatrosses, of the biological family Diomedeidae, are large seabirds
Male lying supine with large ecchymosis on lateral rib cage and shoulder. Male lying supine with large ecchymosis on lateral rib cage and shoulder.
Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru Major features of Homo erectus include increased brain size, an angular vault, and cranial superstru
The large, white flowers of giant saguaro cactus (Carnegiea gigantea) produce sweet nectar. The flow The large, white flowers of giant saguaro cactus (Carnegiea gigantea) produce sweet nectar. The flow
Video: Lipid absorption - end products & transport mechanism

For a complete list of videos, visit our video library