Unit 2 Organisms as Systems

Which of these is a plant organ responsible for absorbing light energy to make food?

• leaf

• fruit

• petal

• root

Tags

NGSS.MS-LS1-6

Which term best describes the brain?

• cell

• organ

• tissue

• organ system

Which of these is the source of the energy that plant cells use for photosynthesis?

• radiant energy from the sun

• kinetic energy from the wind

• potential energy from the soil

• mechanical energy from animals

Tags

NGSS.MS-LS1-6

What part of a plant's leaves allows the plant to take in carbon dioxide and release oxygen?

• stem

• cuticle

• stomata

• chloroplasts

Tags

NGSS.MS-LS1-6

A plant leaf is an organ. In what way is a human lung similar to a plant leaf?

• Both organs make chemical energy

• Both organs are made up of only one kind of cell

• Both organs are made up of protective dermal tissue

• Both organs exchange oxygen and carbon dioxide

Tags

NGSS.MS-LS2-3

Which is true of all animals?

• They are producers

• They are unicellular

• They are multicellular

Tags

NGSS.MS-LS1-1

What is the function of the respiratory system?

• body system the breaks down food and absorbs nutrients

• body system that removes waste from the body

• body system that brings oxygen into the body and gets rid of carbon dioxide

• body system that circulates blood, oxygen, and nutrients to all the cells of the body

What type of sensory receptors allow animals to see?

• mechanical receptors

• chemical receptors

• electromagnetic receptors

Tags

NGSS.MS-LS1-8

An animal's skeletal system performs the function of support, just as the __________________ system of the sunflower does for that plant.

• Root

• Shoot

• photosynthesis

The Venus flytrap is a plant that has hairs on its leaves, which sense movement. These hairs are an example of which type of sensory receptors?

• mechanical receptors

• chemical receptors

• electromagnetic receptors

Tags

NGSS.MS-LS1-8