Life Sci review

Which system is controlled by involuntary muscle movement in the diaphragm?

• circulatory

• nervous

• muscular

• respiratory

Which marine ecosystem would be best for organisms that can adapt to both salt water and fresh water?

• estuary

• lake

• pond

• river

Which statement best describes the way the digestive and muscular systems are related?

• Swallowed food is pushed through the esophagus.

• The diaphragm inflates and deflates.

• Nutrients help the bones function.

• The heart absorbs oxygen and nutrients.

Which statement best describes a learned characteristic in a dog?

• The dog scratches at the door to go outside.

• The dog has floppy ears.

• The dog pants to cool off on a hot day.

• The dog has a dark coat.

Which terrestrial ecosystem has warm, humid conditions and a large variety of plants and animals?

• estuary

• grassland

• deciduous forest

• tropical rainforest

Tags

NGSS.MS-LS2-5

Which best explains why producers are at the beginning of all food chains?

• They turn dead animals into nutrients.

• They provide shelter for smaller animals.

• They transfer energy from the sun into food.

• They grow up from the ground.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How does the skeletal system benefit (help) the nervous system?

• It protects the lungs.

• It protects the heart.

• It protects the brain and spinal cord.

• It protects the esophagus and stomach.

Farmers plant fruit trees in an area that was once a grassy meadow.  What will most likely happen to the rabbits living in the meadow?

• They will learn to eat fruit.

• They will learn to climb trees.

• The number of  their young will  increase.

• The size of their  population will  decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Kim has freckles. Which best explains why Kim's newborn baby brother will most likely also have freckles?

• Kim likes freckles.

• All babies have freckles.

• Kim's parents both have freckles.

• Kim's mother wants the baby to have freckles.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS3-2

Which describes a consumer in a pond ecosystem?

• cattail

• catfish

• water lily

• water

Tags

NGSS.MS-LS2-2