Sponges: Origins Video

How many years ago did Life appear?

• 8.6 BYA

• 6.4 BYA

• 3.5 BYA

• 2.3 BYA

For how long did ONLY single-cell organism live on the Earth?

• 2.5 Billion Years

• 3.5 Billion Years

• 6.2 Billion Years

• 7.8 Billion Years

Who is credited for developing the Theory of Evolution?

• Charles Wallace

• Ray Charles

• Charles Darwin

• Charles Lyell

Sponges lack:

• Brain

• Limbs

• Nervous System

• Muscles

Sponges are mostly composed of:

• Muscle Tissue

• Empty Space & Tubes

• Cartelige

• Dentin Tissue

True or False: Sponges have definite shapes

• True

• False

How many types of sponges have been identified so far?

• 10,000

• 15,000

• 7,000

• 9,000

Sponges live in what type of water?

• Hose Water

• Fresh Water

• Salt Water

• Bottled Water

Sponges can live in what temperature of water?

• Temperate Water

• Cold Polar Water

• Boiling Water

• Warm Equatorial Water

True or False: Sponges are NOT animals.

• True

• False