Bio/ Unit 3

In the modern Linnaean system, scientists classify organisms based on

External characteristics

Where organisms live

Species name

similarities in form and structure

Genetic recombination in bacteria can occur during which of the following processes?

Meiosis

Binary fission

Conjugation

Endospore production

Grouping protists by nutrition reflects their

Importance to humans

Evolutionary relationships

Ancestry

ecological roles

How do animal-like protists obtain energy?

They absorb nutrients from their environment

They use photosynthesis

They ingest other organisms

The cell walls of fungi are made out of

Cellulose

Asci

Chitin

Rhyzoids

The highest classification level that an organism can be placed in is

Kingdom

Order

Species

Domain

We know viruses are not alive because they

Are made of cells

Are autotrophic

Are not made of cells

Make prions instead of proteins

Eukaryotes that lack the features of animals, plants, or fungi are classified in the kingdom

Fungi

Plantae

Protista

Animalia

Bacteria are classified as prokaryote cells due to what major difference?

bacteria are only single celled organisms

Bacteria do not have a nucleus

Bacteria are not considered to be alive

Bacteria do not make proteins

The body of a fungus is made of threadlike

Spores

Chitin

Hyphae

Rhizoids

Which type of bacteria gets energy from inorganic materials?

Chemoautotrophs

Heterotrophs

Photoautotrophs

Coccus bacteria

How do E. Coli that normally live in the human intestines help humans?

they develop antibiotic resistance

They insert genetic material into cells

They produce vitamin K

They cause disease

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