Viruses, Bacteria, Protists, and Fungi

Which is NOT a characteristic of a virus ?

• cannot make or use food

• can only multiply inside a living cell

• is a cell

When a virus invades a living cell, the virus's genetic material

• takes over many of the cells functions

• breaks apart

• attaches to the outside of the cell

A substance that stimulates the body to produce chemicals that destroy viruses or bacteria is called a

• vaccine

• cytoplasm

• toxin

Bacteria are prokaryotes because

• they do not have genetic material

• their genetic material is not in a nucleus

• they have a nucleus filled with genetic material

Whic is a characteristic of ALL protists ?

• cells do not have a nucleus

• cells have a nucleus

• live in dry places

Like plants, algae

• can use the sun's energy to make food

• have roots, stems and , leaves

• absorb food from decaying plants and animals

Which is NOT a characteristics of fungi ?

• reproduce with spores

• have celks with a nucleus

• make their own food

Viruses are living things

• true

• false

Viruses reproduce by binary fission.

• true

• false

All bacteria make their own food.

• true

• false