Internal Plant Structures and Functions

Label the parts of the nucleus

a

b

c

Nucleolus

Chromatin

Nucleus

Tags

NGSS.MS-LS1-2

Label the cells

a

b

c

d

sieve plate opening

sieve tube member

companion cell

sieve plate

Tags

NGSS.MS-LS1-2

Match the following definitions to the correct term

• lignin

• The process that results in an increase in the number of cells

• cytoplasm

• A large storage sac filled with mostly water

• vacuole

• A molecule that provides strength and rigidity to the cell

• organelles

• Small structures inside the cell that carry out the physiological process

• cell division

• The living semi-fluid material inside the cell membrane

Match the following definitions to the correct term

• periderm

• Embryonic leaves

• parenchyma

• The outer bark of a woody plant

• chromosome

• A protective layer (made of cellulose that surrounds the cell

• cell wall

• This is found inside the nucleus and is made of DNA

• leaf primordia

• cells found throughout the plant typically lacking a secondary cells wall

​ (a)   cells are located under the epidermis of the stem, along leaf veins, and at corners of angular stems that have thick, yet flexible cell walls that provide structural support for the plant.

• Collenchyma
• Parenchyma
• Sclerenchyma

Cells that play an important role in transporting sugars from photosynthetic parenchyma cells to the sieve tube members are ​ (a)  

• companion cells
• cork
• cork cells
• vessel elements

A long type of sclerenchyma cell that is abundant in wood and bark is​ called (a)  

• fiber
• periderm
• sclereid

The location of the primary growth is the ​ (a)  

• apical meristem
• lateral meristem
• vascular cambium
• periderm

​ (a)   growth occurs at the ​ (b)   and ​ (c)   growth occurs in the ​ (d)   but only in woody plants

• Primary
• apical meristem
• secondary
• lateral meristem

____ conducts water and minerals upward from the roots

• phloem

• dermal tissues

• ground tissues

• xylem