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 tube member

companion cell

sieve plate opening

sieve plate

Tags

NGSS.MS-LS1-2

Match the following definitions to the correct term

• cell division

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

• organelles

• The living semi-fluid material inside the cell membrane

• lignin

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

• vacuole

• A molecule that provides strength and rigidity to the cell

• cytoplasm

• A large storage sac filled with mostly water

Match the following definitions to the correct term

• periderm

• Embryonic leaves

• chromosome

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

• parenchyma

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

• cell wall

• The outer bark of a woody plant

• 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