How do mutations lead to genetic variation? A. by producing random changes in an organism's genetic code B. by changing the organism's behavior C. by changing the organism's appearance D. by changing the way that the organism reproduces

How many bones does a human hand have

The early organisms on earth also needed to break down glucose to generate energy to survive. Which of the following processes did they most likely use? A) Photosynthesis B) Anaerobic respiration C) Aerobic respiration

Define the term postpurchase cognitive dissonance and give an example of when this happened to you. Then explain what the company could have done to lessen your dissonance.

A plant breeder wants to breed a flowering plant species to produce seeds that will give a 50:50 mixture of blue and yellow flowers. In this species, the blue flower color is dominant and yellow is recessive.

What causes the high tide on the opposite side of the moon A. underwater earthquakes B. the gravitational pull of the moon C. centrifugal force D. wind

Which describes the variable that is changed to test the prediction? A) dependent B) experimental C) control D) independent

What is used to classify the layers of the atmosphere? Question 1 options: Differences among temperature altitude, and weather Differences among temperature, air pressure, and density Differences among altitude, wind speed, and weather How far away

Drinking alcoholic beverages causes an increase in urine output. This most likely occurs because alcohol: inhibits ADH release stimulates ADH release inhibits TSH release stimulates TSH release

What is the thickest layer of the atmosphere?

The phosphorus-containing head of a phospholipid attracts water and is