Viruses, Bacteria, Protists, and Fungi

Is a virus considered living or non-living?

• Living
• Non-Living
• Neither

What is the first step of the virus reproduction cycle?

• The viruses genetic material (DNA) starts to take over the functions of the cell
• The host cell bursts open, releasing the new viruses
• The virus injects its genetic material into the cell
• A virus attaches to the surface of a host cell

a host is a organism that provides a source of of energy and a suitable environment for a virus to live.

• true

• false

a vaccine is a

• substance that contains a cure for the disease

• substance that cures about half of the infection

• substance that consists of pathogens, such as viruses, that have been weakened

• substance that destroys the infection

Bacteria are prokaryotes, which means they have no ______________.

• cell membrane

• cell wall

• cytoplasm

• nucleus

Protists are small, simple eukaryotes. They can be separated into 3 types: Plant-like, animal-like, and fungi-like.

Which 2 statements are true of all protists?

• They have cells with a nucleus.

• They are multicellular.

• They live in moist environments.

• They make their own food.

• They never move.

Tags

NGSS.MS-LS2-1

A parasite

• Helps the environment

• benefits from living on or within a host

• another name for a decomposer

• a type of vaccine

Tags

NGSS.MS-LS2-2

Fungi are __________.

• Eukaryotes

• Heterotrophs

• Consumers

• All of the above

Fungi are important to an ecosystem because they are

• Producers

• Regulators

• Decomposers

• Controllers

Tags

NGSS.MS-LS2-3

What do fungi use to reproduce?

• Hyphae
• Branches
• Spores
• They split apart