CAB 1 Review

CAB 1 Review

By Em Draayer

• ​Multicellular organisms

• Cells have a eukaryotic cells - contain a nucleus

• ​Made of roots, stems, leaves, and fruit

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Kingdom Plantae​

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Plants contain chlorophyll that allow them to create their own food from sunlight - the process of photosynthesis

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Multiple Choice

The kingdom Plantae is characterized by having organisms that have cells with chloroplasts and cell walls made of cellulose. Using the picture, which organism or organisms belong to the kingdom Plantae?

• orange

• mushroom

• orange and snake

• mushroom and snake

• Scientists estimate there are between 3 - 100 million species of organisms on Earth

• Taxonomy is the study of organizing organisms

• ​Taxonomists identify and classify organisms

• ​Binomial nomenclature is the naming and ordering of organisms (scientific name)

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Classification of Living Organisms

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Multiple Choice

How are the millions of organisms on Earth classified by scientists?

• in chronological order by the date of discovery

• in a hierarchical system of shared characteristics and traits

• in geological order based on their location of discovery

• in a numerical system based on their population size

Kingdoms of Life​

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Multiple Choice

Most scientists currently classify life into how many kingdoms?

• 6

• 5

• 2

• 3

Unicellular​

• Bacteria

• Protists

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Multicellular

• Animal

• Plant

• Fungi​

Unicellular VS. Multicellular

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Some Multicellular Organism

Multiple Choice

Madison is looking at a cell under the microscope. The organism is unicellular and it has a nucleus and membrane-bound organelles. It has no cell wall and uses flagella (long tail) for movement. In which kingdom should this organism be classified?

• Animalia

• Fungi

• Plantae

• Protista

Autotroph VS. Heterotroph

• auto: make their own food

• hetero: cannot make their own food

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Unicellular VS. Multicellular

• uni: made of a single cell

• ​multi: made of many cells

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Some Multicellular Organism

Multiple Choice

This word means "single celled organism"

• unicellular

• multicellular

• autotroph

• heterotroph

Kingdoms of Life​

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Multiple Choice

At one point in history, all organisms were classified as either animals or plants. Which question could be asked in order to show the problems associated with this type of model?

• How is an animal classified?

• Are bacteria considered plants or animals?

• How many types animals exist in the world?

• Can subsystems further classify the plants and animals?

Multiple Choice

Which of the following is NOT a reason that scientists classify organisms?

• to organize organisms

• to easily identify organisms

• to determine the age of organisms

• to ensure the use of a common language