Bio St. 2.1.2

Define Adaptation.

• How an organism has NOT changed and continues to live in an environment 
• All animals can live in any environment 
• How an organism grows over time
• Special features or behaviors that allow an animal to survive in an environment.

The polar bear's white fur allows it to hide in the cold arctic. This adaptation is called________________.

• White on white
• Camouflage
• Color matching
• behavioral adaptation 

Goats have eyes on the side of the head. What does this adaptation say about the animal?

• He is a prey, and it allows goats to have a wide viewing range
• He is a prey, and it allows goats to have a smaller viewing range.
• Goats are predators 
• Goats are predators, and this allows them to see more

If a fishes gills are small, what might this say about the oxygen in the water?

• The water has no oxygen
• The water must have a high concentration of oxygen. 
• The water must have a low concentration of oxygen
• The water is clear and cold

What characteristic best matches the function that heart and blood vessels serve in an animal?

• Growth

• Reproduction

• Sensitivity

• Transport

Which is most directly involved in the growth and development of animal species?

• heart & lungs

• brain & spinal chord

• glands & hormones

• kidneys & bladder

Xylem is a plant adaptation that allows plants to transport ______________ up the stem from the roots.

• Food

• Sugar

• Water

• Glucose

Which most directly helps a plant exchange gases for respiration?

• stoma (stomata)

• lungs

• leaves

• roots

Which organelle would help a protist excrete waste?

• mouth pore

• anal canal

• ribosomes

• pseudopods

What is Cilia?

• A tail like structure that help protist move
• Hair like fibers that help protist move
• A place where spores are kept
• A fake foot that help protist move