6th Grade #10: Living Things in the Biosphere

Choose everything that is true about bacteria.

• respond to stimuli

• can survive without water

• can reproduce

• can spontaneously generate

• use energy

Why is it important that doctors sterilize their tools?

• to kill all the microorganisms to prevent infections

• to prevent bacteria from spontaneously reproducing

• to prevent dirt from getting on them

• sterilization of medical tools is not necessary

Why do doctors store their medical tools in things such as plastic bags?

• To prevent bacteria from getting access to food and water

• To prevent bacteria from spawning

• To block the bacteria's access to a host

• To weaken the bacteria's resistance to antibiotics

If you are allergic to mosquitoes, you should probably avoid other insects within the same...

• genus

• class

• kingdom

• family

If two species are in the same domain, we know that they are closely_____.

What is true about viruses?

• They have no cells.

• They have cell walls.

• They have cell membranes but no cell wall.

• They have both cell membranes and cell walls.

What could viruses use as a host?

• water

• humans

• chickens

• pigs

• soil

Bacteria can live in water.

• True

• False

True or False: Viruses, bacteria, protists, and fungi are all microorganisms.

• True

• False

Where are bacteria located?

• No where.

• Every where!

• Only in the restroom.

• On my hands only.