Cells & Classification Review

Cells & Classification Review 22-23

Science 6 22-23

• All living organisms are made of cells.

• Cells are the building blocks of life in the same way atoms are the building blocks of matter.​

I can explain why the cell is considered the basic structure or building block of all living things

Multiple Choice

Based on the table, what is a reasonable conclusion concerning organisms?

• All living organisms must be multicellular

• As long as an object is composed of atoms, it is an organism

• All living organisms are composed of cells

• Salt is found in humans, so even though it is not made of cells it should be an organism

Multiple Choice

______________ are the basic unit of life.

• DNA
• RNA
• Cells
• Takis

Use the microscope to look at different cell types.

What types of cells are shown to the right? --->​

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​I can examine tissue samples to identify the cells

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Multiple Choice

To observe pond organisms like algae, protists, and amoebas, which tool would be the best to use?

• hand lens

• test tube

• petri dish

• microscope

Multiple Choice

Which tool is the best for observing cells?

• Microscope

• Meter Stick

• Triple beam balance

• Graduated cylinder

• Bacteria and Archaebacteria are unicellular​

• Prokaryotes are unicellular

• ​Fungi can be both

• Protists can be unicellular

• Animals and Plants are multicellular​

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I can describe what makes unicellular and multicellular organisms

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Multiple Choice

7. Classify the following examples (pictures) as unicellular or multicellular

• 1. Unicellular
• 2. Multicellular

Multiple Choice

9. Classify the example as unicellular or multicellular.

• 1. Unicellular
• 2. Multicellular

Multiple Choice

10. Classify the example as unicellular or multicellular.

• 1. Unicellular
• 2. Multicellular

• Bacteria cells are prokaryotes and have no nucleus. DNA in the cytoplasm.

• Animal, plant, fungi, protist cells are eukaryotes and have DNA in the nucleus.​

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​I can identify the presence of a nucleus

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Multiple Choice

What important material is contained in the nucleus?

• Jeans

• Digestive enzymes

• DNA

• Nuclear ladders

Multiple Choice

What type of cell has a nucleus? 

• eukaryotic
• prokaryotic 

Multiple Select

Which cells have a nucleus?

Cell nucleus is a membrane-bound organelle which holds the DNA (genetic material) for the organism.​

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I can describe the function of the nucleus in a cell

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• Prokaryotes

• No nucleus

• DNA in cytoplasm

• Simple structure​

• Bacteria

• Eukaryotes

• More complex

• Organelles including the nucleus

• DNA in the nucleus​​

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I can explain the difference between prokaryotic and eukaryotic cells

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Multiple Choice

Based on the diagram below, what characteristic is required for a cell to be considered eukaryotic?

• A eukaryotic cell will never have a cell wall

• A eukaryotic cell must contain a membrane-bound nucleus

• A eukaryotic cell must have chlorophyll making it possible for the cell to do photosynthesis

• A eukaryotic cell must have DNA

Multiple Choice

A student saw a cell under a microscope and drew what she saw. This cell is classified as —

• eukaryote

• prokaryote

• protist

• hydra

• Classification allows us to understand diversity better.

• Helps in the identification of living organisms.

• Helps us to learn about different kinds of plants and animals, their features, similarities and differences.

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I can explain why classification is important to scientists

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Multiple Choice

Which domain is capable of living in extreme environments like hot springs, geysers, or very salty waters?

• Bacteria
• Archaea
• Eukarya

Multiple Choice

What can a classification system show about an organism?

• absolute age of an organism
• what an organism is made of
• its relationship to other organisms
• which organisms are the strongest

Divide items into two groups and then break them down into two more groups. Keep doing this until you can identify each piece individually.

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I can classify objects and explain my criteria

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Multiple Choice

Scientists group similar organisms together through a process called .....

• identification

• Estimation

• Classification

• Organization

Multiple Choice

Biologist group living things based on ____.

• Habitat

• Size

• Colors

• Shared Characteristics

• Archaebacteria - found in extreme environments & do chemosynthesis

• Eubacteria - found everywhere

• Eukarya - all animals and plants​

I can explain why organisms are classified into domains and kingdoms​

Multiple Choice

What is the Domain for all of the organisms in the table shown above?

• Archaea

• Bacteria

• Eukarya

• Protista

Prokaryotic Cells are very small and have no nucleus

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Eukaryotic Cells are larger and can be seen with a school microscope. They have a discernable nucleus you can see if the cell is stained. ​

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Given examples, I can identify cells as prokaryotic or eukaryotic​

Multiple Choice

A student examined diagrams of two different cells. One cell was prokaryotic, and the other cell was eukaryotic. What should the student do to identify a major difference between the diagrams?

• Look to see the size of the cell

• Look to see which cell has a nucleus

• Look to see if the cell is green

• Check if the cell is moving

• Domains

• Eukarya - all animals, plants, fungi and protists that have eukaryotic cells

• Eubacteria - prokaryotic bacteria cells

• Archaebacteria - prokaryotic archaebacteria cells​

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I can identify the broadest taxonomic classification group and explain why it is the largest group

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Multiple Choice

What are the three domains of life?

• Plantae, Animalia, Fungi

• Unicellular, Multicellular

• Bacteria, Archaea, Eukarya

• Protista, Archaea, Fungi

Multiple Choice

The broadest group of classification of organisms is the ...

• species

• kingdom

• genus

• domain

Multiple Choice

While hiking you see a giant oak tree that has mushrooms growing at the base. What domain of life is represented by the oak tree and the mushrooms?

• Archaea

• Eubacteria

• Prokarya

• Eukarya

Domains

• Eukarya - all animals, plants, fungi and protists that have eukaryotic cells

• Eubacteria - prokaryotic bacteria cells

• Archaebacteria - prokaryotic archaebacteria cells​

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I can recognize that all organisms are classified into 3 domains –Archaea, Bacteria, and Eukaryota and describe the basic characteristics of each domain.​

Multiple Choice

Students in a class were identifying characteristics of organisms in each kingdom. They were asked to list the characteristics of an organism from Kingdom Archaebacteria.  

Which list of characteristics best describes this organism?

• Unicellular, prokaryotic, autotrophic or heterotrophic

• Multicellular, eukaryotic, heterotrophic

• Mostly unicellular, eukaryotic, heterotrophic or autotrophic

• Multicellular, eukaryotic, autotrophic

1. Unicellular with no nucleus?

2. Unicellular with a nucleus?

3. Unicellular, no nucleus, lives in a volcanic vent?

4. Unicellular, no nucleus, lives in the large intestine of animals?

5. Eukaryotic, single cell, makes bread rise?​

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Given examples of organisms and their characteristics, I can classify them into the correct domain.

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Multiple Choice

Which domain contains cells which all contain a nucleus?

• Bacteria
• Archaea
• Eukaryota

Multiple Choice

What does eukaryotic mean?

• Has a nucelus
• No nucleus
• Makes own food
• Gets its food from others

Multiple Choice

What does prokaryotic mean?

• Has a nucelus
• No nucleus
• Makes its own food
• Gets its food from others

Multiple Choice

What do the domains Bacteria and Archaea have in common?

• They both have a nucelus
• They are both lacking a nucleus
• They are both made of many cells
• They are both dead

Multiple Choice

Where is the DNA stored in a eukaryotic cell?

• Inside the nucleus
• There is no DNA in a eukaryotic cell
• The DNA floats freely in the cell
• The DNA is found in the cytoplasm

Multiple Choice

What does asexual reproduction mean?

• 1 parent
• 2 parents
• 1 cell
• More than 1 cell

Multiple Choice

Based on the characteristics, to which kingdom does this organism belong?

• Fungi

• Protista

• Eubacteria

• Plantae

Look at the characteristics:

• Nucleus or no nucleus?

• Larger or smaller?

• DNA in the nucleus or cytoplasm?

• Simple or complex?​

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I can describe the difference between prokaryotic and eukaryotic organisms

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• Unicellular organisms are microscopic

• Multicellular organisms can be small but usually can be seen with the eye​

I can describe the difference between multicellular and unicellular organisms

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• Autotrophs are plants and plant-like algae and protists

• Autotrophs have chlorophyll and do photosynthesis and make food from sunlight​

• Heterotrophs cannot make its own food and have to eat other plants or animals​

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I can describe the difference between heterotrophic and autotrophic organisms​

Multiple Choice

What do you call organisms that can make their own food?

• heterotophs

• autotrophs

• trophies

Multiple Choice

Organisms that cannot make their own food and must get energy from eating other organisms are called...

• autotrophs

• heterotrophs

• plants

Multiple Choice

(True or False)- Autotrophs are organisms that can undergo Photosynthesis to make their own nutrients such as plants and trees.

• True

• False

Multiple Choice

(True or False)- Heterotrophs such as us humans and other animals such as lions, zebras, and tigers get their nutrients by consuming other organisms.

• True

• False

Asexual

• one parent

• offspring is 100% like parent

• simple organisms​

Sexual

• two parents

• offspring is 50% of each parent

• more complex organisms​

I can describe the difference between sexual and asexual reproduction

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Multiple Choice

All Offspring of Asexual reproduction are identical

• True
• False

Multiple Choice

How many parent(s)are needed for asexual?

• 4
• 1
• 9
• 100

Multiple Choice

Sexual reproduction results in

• Genetically unique offspring

• Genetically identical offspring

Multiple Choice

What are some of the facts about asexual reproduction?

• Takes only one mate to reproduce and takes a longer time to reproduce
• Takes a shorter amount of time to reproduce and it takes two mates to reproduce
• Reproduces diverse offspring and takes a longer time to reproduce
• Takes only one mate to reproduce and takes a shorter time to reproduce

Multiple Choice

Hydra uses budding

• Sexual
• Asexual
• Both
• Neither

Multiple Choice

Which of these is NOT an advantage of asexual reproduction.

• Enables organisms to reproduce without a mate

• Requires less time and energy

• Results in little genetic variation

• Enables organisms to produce large amounts of offspring

• Enables plants to spread and colonize an area in a short period of time

Multiple Choice

If two organisms reproduce sexually, then their offspring will exhibit a genetic makeup that is -

• identical to only one parent
• identical to all of its siblings
• a unique combination of traits
• the recessive traits of each parent

• Eubacteria

• Archaebacteria

• Protista

• Fungi

• Plantae

• Animalia​

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I can name the 6 kingdoms

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Multiple Choice

Many celled organisms that do not move around, but make their own food for energy

• Plants

• Animals

• Fungi

• Protists

Multiple Choice

Kingdom that can be single celled or many celled, plantlike or animal-like, may eat food for energy or even make their own food for energy

• Eubacteria

• Plant

• Animal

• Protists

Multiple Choice

Many celled organism where all species move and get energy by eating food

• Plants

• Animals

• Protists

• Fungi

Be sure you can identify the-

1. main characteristics

2. kingdom​

I can describe the characteristics of organisms in each of the 6 kingdoms

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Multiple Choice

Which table correctly identifies the three kingdoms?

Multiple Choice

Which kingdom is represented by Kingdom 1 on the chart?

• Archaebacteria

• Animalia

• Eubacteria

• Plantae

Multiple Choice

Which kingdom is represented by Kingdom 2 on the chart?

• Eubacteria

• Archaebacteria

• Fungi

• Plantae

Multiple Choice

A scientist divided the following organisms into 2 kingdoms.

What basic characteristic divides the organisms in Kingdom A from Kingdom B?

• Organisms in A are prokaryotic and organisms in B are eukaryotic

• Organisms in A are unicellular and organisms in B are multicellular

• Organisms in A are autotrophs and organisms in B are heterotrophs

• Organisms in A are sexual and organisms in B are asexual

Be sure you can use characteristics of kingdoms to identify organisms

1. mode of nutrition

2. reproduction

3. cells

4. pro/eukaryotic

Given examples of organisms, I can classify them into the correct kingdom based on their mode of nutrition, reproduction, cells, and whether or not they are prokaryotic or eukaryotic

Multiple Choice

Plant cells are multicellular, have a cell nucleus as well as other membrane-bound organelles. Plant cells are considered to be which of the following cell types?

• Prokaryote cells

• Fungal cells

• Archaea cells

• Eukaryote cells