« previous next »

Author Question: Variety within a population is the only necessary condition for natural selection to operate. ... (Read 41 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Aug 11, 2018
Variety within a population is the only necessary condition for natural selection to operate.
 
  Indicate whether the statement is true or false.

Question 2

Gene flow between populations tends to prevent speciation.
 
  Indicate whether the statement is true or false.


Ashley I

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Aug 11, 2018
Answer to Question 1

FALSE

Answer to Question 2

TRUE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Stablizing Selection Stablizing Selection
Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons Exponential growth in the Canadian migratory population of the whooping crane after 70 years of cons
Population Indicators Population Indicators
Natural selection acts on genetic variation Natural selection acts on genetic variation
Natural community in the antelope Valley Natural community in the antelope Valley
Video: Requirements for nervous signals

For a complete list of videos, visit our video library