By Using Fossil Evidence,paleontologists Have Concluded That Most Species Exist

question 45

Multiple Choice

By using fossil evidence,paleontologists have concluded that most species exist from:

• A)100 to 1,000 years before extinction
• B)1000 to 10,000 years before extinction
• C)One million to ten million years before extinction
• D)10,000 to 100,000 years before extinction
• E)100,000 to one million years before extinction

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Definitions:

Ileal Portion

The final part of the small intestine that connects to the large intestine.

Small-Intestine

The part of the gastrointestinal tract between the stomach and large intestine that digests and absorbs nutrients from food.

Urostomy

A surgical procedure creating an opening in the abdominal wall for urine to pass directly from the kidneys, bypassing the bladder.

Mucus

A thick, slippery substance produced by mucous membranes and glands to moisten and protect certain parts of the body, such as the respiratory tract.