When an animal sweats to keep cool, which of the following processes is the animal exhibiting? 

• evolution
• hibernation
• homeostasis
• migration 

The following pictures show the talons of four different types of birds. Which bird has the best talon structure for walking on muddy ground? 

• W
• X
• Y
• Z

When the seeds of an angiosperm (flowers) are mature, what do the flowers develop? 

• pollen
• ovules
• leaves
• fruit

Maple tress use the specialized structure above to transport their seeds. How are the seeds transported? 

• by animals
• by wind
• by water
• by erosion

Suppose two populations of a single species of squirrel are put in different environements for hundreds of generations. What will most likely happen to the two populations?

• Both populations will become extinct. 
• Both populations will develop new sets of traits. 
• Both populations will develop larger muscles.
• Both populations will become carnivorous. 

In which population of organisms could scientists most likely observe direct evidence of evolutionary change?

• blue whales
• elephants
• fruit flies
• oak trees 

What characteristic of a population of organisms would most likely be subject to evolutionary change within 10 generations? 

• protective coloration
• type of skeleton
• reproductive strategy
• respiratory organs 

Which of the following owls is best adapted to live in a cold environment with a lot of snow and ice? 

• A
• B
• C
• D

Which bird has a beak best adapted for eating hard seeds and nuts? 

• A
• B
• C
• D

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NGSS.MS-LS2-1

Lions often hide in the tall grass while stalking their prey.  This is an example of how __________ helps them to survive.

• camouflage
• warning coloring
• mimicry
• hibernation