Biology Unit 4

According to the graph which years showed nearly identical growth?

• years 2 and 5

• years 2 and 4

• years 3 and 6

• years 4 and 6

According to the graph which year showed the greatest growth?

• year 1

• year 3

• year 4

• year 7

Which of the following is NOT part of the vascular system?

• xylem

• phloem

• tracheid

• stomata

What structure B?

• vascular tissue

• epidermis

• spongy mesophyll

• stoma

What structure D?

• vascular tissue

• epidermis

• spongy mesophyll

• stoma

Tags

NGSS.MS-LS2-3

What structure A?

• vascular tissue

• epidermis

• spongy mesophyll

• stoma

Tags

NGSS.MS-LS1-2

The primary photosynthetic organs of plants are the 

• roots.

• stems.

• flowers.

• leaves.

Tags

NGSS.MS-LS1-6

Energy flows through living systems from

• the sun, to heterotrophs, and then to autotrophs.

• the environment, to heterotrophs, and then to autotrophs.

• the sun, to autotrophs, and then to heterotrophs.

• autotrophs, to the environment, and then to heterotrophs.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The oxygen that is produced during photosynthesis comes directly from the 

• absorption of light.

• splitting of water molecules.

• mitochondrial membranes.

• splitting of carbon dioxide molecules.

Tags

NGSS.MS-LS1-6

What pigment causes a plant to look green?

• chlorophyll

• NAPH

• NADH

• carotenoid

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3