A hermit crab is a soft bodied animal that naturally has no shell. Hermit crabs live in empty shells left by other organisms.

How does using a shell most likely help the hermit crab survive?

• It helps the hermit crab find food.

• 
  It helps the hermit crab attract a mate.

• It protects the hermit crab from predators.

• It allows the hermit crab to move more easily.

Natural disasters, environmental changes, and humans can all have an effect on the growth of a population. Which of the following would cause a population of animals to increase?

• When a drought occurs, many plants and animals die.

• When forests are cleared for human use, animals and plants do not have habitat.

• 
  The number of predators in the population's ecosystem decrease. 

• 
  The overfishing of sharks.

Tags

NGSS.MS-LS2-4

Miranda went on a tour at the local zoo. She learned that porcupines are slow-moving animals with poor eyesight. Miranda also learned that the body of a porcupine is covered with hair and quills.

What is the most likely reason for the adaptation of the quills on the porcupine?

• protection from predators

• 
  faster swimming ability

• hunting for food

• 
  attracting a mate

If a forest ecosystem changed over time due to increased temperatures, how might a bear have to adapt to survive?

• gather more food for longer winters

• shed more fur to have a lighter coat

• defend themselves against predators

• 
  reproduce more baby cubs

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Based on this fossil, what can you infer about where this organism lived?

• forest

• desert

• grassland

• river

Tags

NGSS.MS-LS4-1

Based on the large, sharp teeth of this fossil, what kind of food did this animal most likely eat?

• Insects

• Plants

• Meat

• Worms

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

The Gray Whale travels 12,500 miles to find food, escape changes in water temperature, and give birth.  Which of the following is the best description of the Gray Whale?

• The Gray Whale is hibernating.

• 
  The Gray Whale is migrating.

• The Gray Whale is a carnivore.

• The Gray Whale is escaping predators.

Using the words below, match each word to the correct description.

• Hibernation

• When a weak animal copies a stronger animal to warn off predators

• Mimicry

• When an animal hides in the cold winter and sleeps until the warm spring.

• Camouflage

• When an animal is able to change colors to survive in its environment.

• Physical

• Adaptations of how and animal looks to help them survive

Choose ALL that are PHYSICAL adaptations.

• Something an animal DOES

• Body parts that help an animal survive

• Migration

• Scales

• Feathers

Choose ALL that are BEHAVIORAL adaptations.

• Something an animal DOES

• Body parts that help an animal survive

• Migration

• Scales

• Hibernation

Tags

NGSS.MS-LS1-4