Fill in the blank.

Animals react to their environments when they receive a ________.

• behavior

• stimulus

• communicate

Tags

NGSS.MS-LS1-8

Fill in the blank.

The brain receives the stimulus, interprets it, and tells the body how to _______.

• behavior

• respond

• stimulus

Tags

NGSS.MS-LS1-8

Match the function below with the correct organ.

This organ pumps blood around the body.

• brain

• heart

• lungs

• skeleton

Match the function below with the correct organ.

This organ gives shape and helps in movement.

• brain

• heart

• lungs

• skeleton

Match the function below with the correct organ.

This organ receives and interprets messages.

• brain

• heart

• lungs

• skeleton

Match the function below with the correct organ.

This organ breathes in oxygen and exhales carbon dioxide.

• brain

• heart

• lungs

• skeleton

Which organ is responsible for the way an animal responds to things it smells, hears, and touches?

• brain

• heart

• lungs

• skeleton

Tags

NGSS.MS-LS1-8

The function of this structure is to _____________________.

• make food

• defend the plant

• attract pollinators

Tags

NGSS.MS-LS1-4

Look at the chart comparing structures in humans to structures in fish. Which structure correctly completes the chart?

• veins

• stomata

• gills

Tags

NGSS.MS-LS4-2

What is one way thorns help a plant?

• stops predators from eating the plant

• stores seeds

• takes in and stores water

Tags

NGSS.MS-LS1-4