Download Unit: Cells Topic: Prokaryote vs. Eukaryote Grade Level: 7

Unit: Cells
Topic: Prokaryote vs. Eukaryote
Grade Level: 7
Instructional objectives:
• Explain the difference between a prokaryote and eukaryote
• Restate cell organization i.e. cell – tissue – organ – organism
• Provide examples of cell organization
• Record definitions for vocabulary
Content standards:
• 3.1.7.A5 Explain how the cell is the basic structural and functional unit of living thing
• 3.1.7.A1 Describe the similarities and differences of physical characteristics in diverse organisms
o S8.B.1.1.2 Compare similarities and difference in internal structures of organism
o S8.B.1.1.3 Apply knowledge of characteristic structures to identify or categorize
organisms
• 3.1.7.A6 Identify the levels of organization from cell to organism
Materials needed:
• Vocabulary list (highlighted areas to be blanked for guided notes or track c students will highlight
during notes)
• Smart board
Engagement/Warm-up (5 minutes or until the students seem complete):
Students will be asked to discuss the homework with their groups.
Procedure:
The teacher will quickly review some of the characteristics observed through student drawings of cells.
The teacher will explain that important vocabulary will be presented and that students will need to take
careful notes. Vocabulary term note sheet will be distributed. The teacher will then begin by asking
students if they are familiar with any of the terms and to share prior knowledge on the subject. Vocabulary
definitions will be given and written in bullet format on the smart board. Each term will be discussed
briefly and examples asked for and given. Understanding will be assessed continually.
Key discussion questions:
Give an example of what makes a prokaryote different from the eukaryotic cells? Can you give examples
of different levels of cell organization?
Closure:
The teacher will ask if there are any questions concerning the vocabulary and announce that there will be
a short quiz on the cell theory and vocabulary terms the next class.
Exit ticket: Magnet summaries. One vocabulary word, without notes.
Assessment:
Check for student understanding with key discussion questions and asking to recall vocabulary terms and
magnet summary exit ticket.
Extensions:
Cell vocabulary quizlets and tour of cell vocab on www.cellsalive.com
Track a
Cell Vocabulary
CellCells are the basic units of structure and function in living things. Cells form the parts of an
organism and carry out all of an organism’s processes or functions.
OrganelleTiny structures inside the cell are called organelles. They carry out specific functions within the
cell.
Prokaryotic cellCells that lack a membrane bound nucleus are called prokaryotic cells. Instead of a nucleus,
prokaryotic cells have a single loop or band of DNA. They are smaller and simpler than
eukaryotic cells.
• Bacteria
• cyanobacteria
Eukaryotic cellEukaryotic cells are larger and more complex than prokaryotic cells. Eukaryotic cells have a
membrane bound nucleus as well as many membrane bound structures called organelles.
• Animals
• Plants
• Fungi
UnicellularUnicellular organisms are organisms that have one cell. They are divided into two quite
different types, from different classification kingdoms.
The prokaryotes, bacteria and archaea, have cells with no nucleus and a simple cell
structure.
Eukaryotes have a nucleus and a more complex cell structure.
MulticellularMulticellular organisms are organisms with more than one cell. This is the case for
most animals and plants that can be seen (without the use of a microscope).
TissueBiological tissue is a collection of connected cells that perform a similar function within an
organism. A tissue can also be defined as a group of cells having the same origin, structure and
function. The cells look the same or almost the same. The work the cells do is also the same or
almost the same.
OrganOrgans are made up of more than one kind of tissue joined together to perform a function.
OrganismAn organism in any living system, either unicellular or multicellular and has the characteristics
of life.
Cell Tissue Organ Organism
Track b
Cell Vocabulary
CellCells are the basic units of structure and function in living things. Cells carry out all of an
organism’s processes or functions.
OrganelleTiny structures inside the cell are called organelles. They carry out specific functions within the
cell.
Prokaryotic cellCells that lack a membrane bound nucleus are called prokaryotic cells. They are smaller and
simpler than eukaryotic cells.
• Bacteria
• cyanobacteria
Eukaryotic cellEukaryotic cells are larger and more complex than prokaryotic cells. Eukaryotic cells have a
membrane bound nucleus as well as many membrane bound structures called organelles.
• Animals
• Plants
• Fungi
UnicellularUnicellular organisms are organisms that have one cell. They are divided into two different
types.
Prokaryotes have cells with no nucleus and a simple cell structure.
Eukaryotes have a nucleus and a more complex cell structure.
MulticellularMulticellular organisms are organisms with more than one cell. This is the case for
most animals and plants that can be seen (without the use of a microscope).
TissueTissue is a collection of connected cells that perform a similar function within an
organism. Tissue cells have the same origin, structure and function. The cells look the same or
almost the same. The work the cells do is also the same or almost the same.
OrganOrgans are made up of more than one kind of tissue joined together to perform a function.
OrganismAn organism in any living system, either unicellular or multicellular and has the characteristics
of life.
Cell Tissue Organ Organism
Track c
Cell Vocabulary
CellCells are the basic units of structure and function in living things. Cells form the parts of an
organism and carry out all of an organism’s processes or functions.
OrganelleTiny structures inside the cell are called organelles. They carry out specific functions within the
cell.
Prokaryotic cellCells that lack a membrane bound nucleus are called prokaryotic cells. They are smaller and
simpler than eukaryotic cells.
• Bacteria
Eukaryotic cellEukaryotic cells are larger and more complex than prokaryotic cells. Eukaryotic cells have a
membrane bound nucleus as well as many membrane bound structures called organelles.
• Animals
• Plants
• Fungi
UnicellularUnicellular organisms are organisms that have one cell.
Prokaryotes
Eukaryotes
MulticellularMulticellular organisms are organisms with more than one cell. This is the case for
most animals and plants that can be seen (without the use of a microscope).
TissueBiological tissue is a collection of connected cells that perform a similar function within an
organism. These cells have the same structure and function, look the same and do the same
work.
OrganOrgans are made up of more than one kind of tissue joined together to perform a function.
OrganismAn organism in any living system and has the characteristics of life.
Cell Tissue Organ Organism
Cell Vocabulary
CellCells are the ____________of structure and function in ___________. Cells form _______ of an
organism and carry out all of an organism’s _________ or ____________.
OrganelleTiny structures ______________ are called organelles. They carry out specific ___________
within the cell.
Prokaryotic cellCells that lack a ____________________ are called prokaryotic cells. Instead of a nucleus,
prokaryotic cells have a _______________ or band of DNA. They are
________________________ than eukaryotic cells.
• _____________________________
• ______________________________
Eukaryotic cellEukaryotic cells are ____________________ than prokaryotic cells. Eukaryotic cells have a
__________________________ as well as many membrane bound
___________________________.
• ________________
• ________________
• _________________
UnicellularUnicellular organisms are ______________that have one _________-. They are divided into
two quite different types, from different _____________________________.
The _________________, _______________ and ___________-, have cells with
no _______________ and a simple cell structure.
________________ have a ________________ and a more complex cell structure.
MulticellularMulticellular organisms are _____________ with more than one ________. This is the case for
most _____________and ____________ that can be seen (without the use of a
__________________).
TissueBiological tissue is a collection of connected __________ that perform a similar function within
an ___________. A tissue can also be defined as a group of cells having the ________________,
____________________________. The __________ look the same or almost the same. The
work the cells do is also the ______________________________________.
OrganOrgans are made up of more than one kind of _____________ joined _____________ to
perform a function.
OrganismAn organism in any _________________, either unicellular or multicellular and has the
___________________________________________-.
Cell Tissue Organ Organism
Track b
Cell Vocabulary
CellCells are the _______________of structure and function in _______________. Cells carry out
all of an organism’s _____________-or _______________________.
OrganelleTiny structures ______________________ are called organelles. They carry out specific
____________________ within the cell.
Prokaryotic cellCells that lack a ________________________ are called prokaryotic cells. They are
_________________________________ than eukaryotic cells.
• ___________________
• ___________________
Eukaryotic cellEukaryotic cells are ________________________ than prokaryotic cells. Eukaryotic cells have a
_______________________________ as well as many membrane bound
______________________________
• _____________
• _____________
• _____________
UnicellularUnicellular organisms are _________________ that have one ___________ They are divided
into two different types.
____________-have cells with no ___________- and a simple cell structure.
________________-have a ___________ and a more complex cell structure.
MulticellularMulticellular organisms are _________________ with more than one __________. This is the
case for most _________________-and __________________ that can be seen (without the
use of a _______________________).
TissueTissue is a collection of connected ________________ that perform a similar function within an
________________-. Tissue cells have the ____________________________________. The
_______________ look the same or almost the same. The work the cells do is also the
______________________________________________________
OrganOrgans are made up of more than one kind of ___________ joined _______________ to
perform a function.
OrganismAn organism in any __________________, either unicellular or multicellular and has the
__________________________________.
Cell Tissue Organ Organism
Track c
Cell Vocabulary
CellCells are the basic units of structure and function in living things. Cells form the parts of an
organism and carry out all of an organism’s processes or functions.
OrganelleTiny structures inside the cell are called organelles. They carry out specific functions within the
cell.
Prokaryotic cellCells that lack a membrane bound nucleus are called prokaryotic cells. They are smaller and
simpler than eukaryotic cells.
• Bacteria
Eukaryotic cellEukaryotic cells are larger and more complex than prokaryotic cells. Eukaryotic cells have a
membrane bound nucleus as well as many membrane bound structures called organelles.
• Animals
• Plants
• Fungi
UnicellularUnicellular organisms are organisms that have one cell.
Prokaryotes
Eukaryotes
MulticellularMulticellular organisms are organisms with more than one cell. This is the case for
most animals and plants that can be seen (without the use of a microscope).
TissueBiological tissue is a collection of connected cells that perform a similar function within an
organism. These cells have the same structure and function, look the same and do the same
work.
OrganOrgans are made up of more than one kind of tissue joined together to perform a function.
OrganismAn organism in any living system and has the characteristics of life.
Cell Tissue Organ Organism