7.7B Organism Force and Motion

Which of the following is an example of the effects of geotropism?

• Monarch butterflies migrate from Canada to Mexico each year.

• A hippopotamus submerges itself in water until the Sun goes down.

• A wilted flower returns to an upright position after being watered.

• A potted plant falls on its side, but its roots still grow downward.

A wilted plant will return to an upright position by using which of the following forces?

• Muscular contractions

• Gravitational attraction

• Turgor pressure

• Magnetic repulsion

Plants are able to move using which of the following forces?

• Water pushing outward on cell walls

• The downward pull of gravity

• Friction with the surrounding air

• An attraction to nearby plants

When a seedling emerges upright from the soil, which force is it overcoming?

• Gravity

• Magnetism

• Repulsion

• Heat

Tags

NGSS.MS-PS2-4

The pull of gravity has the greatest effect on which of the following in plants?

• The movement of pollen between plants

• The downward growth of roots

• The turning of leaves towards light

• The loss of water volume in dry climates

Tags

NGSS.MS-LS1-5

What organ in the body is responsible for the force needed to move blood throughout the body to supply animals with oxygen and nutrients?

• Lungs

• Stomach

• Heart

• Brain