Bio Unit/3

In the modern Linnaean system, scientists classify organisms based on

Where organisms live

Species name

External characteristics

Similarities in form and structure

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

Endospore production

Binary fission

Conjugation

meiosis

Grouping protists by nutrition reflects their

Importance to humans

Ecological roles

Evolutionary relationships

Ancestry

How do animal-like protists obtain energy?

They use photosynthesis

They absorb nutrients from their environment

They ingest other organisms

The cell walls of fungi are made out of

Asci

Chitin

Cellulose

Rhizoids

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

Domain

Species

Kingdom

Order

We know viruses are not alive because they

Are made of cells

Make prions instead of proteins

Are autotrophic

Are not made of cells

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

Fungi

Animalia

Plantae

Protista

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

Bacteria do not have a nucleus

Bacteria are only single celled organisms

bacteria are not considered to be alive

Bacteria do not make proteins

The body of a fungus is made of threadlike

Spores

hyphae

Chitin

Rhizoids

Which type of bacteria gets energy from inorganic materials?

Chemoautotrophs

Heterotrophs

coccus bacteria

Photoautotrophs

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

They cause disease

They produce vitamin K

They develop antibiotic resistance

They insert genetic material into cells

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Bio Unit/3

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