L.1.1

Which can come in a variety of shapes and sizes?

• Viruses

• Bacteria

• Both viruses and bacteria

Which one(s) reproduce by hi-jacking a host cell machinery?

• Viruses

• Bacteria

• Both viruses and bacteria

Antibiotics can treat infections caused by __________________.

• viruses

• bacteria

• viruses or bacteria

• anything

What is a host?

• An organism that eats another organism

• An organism or a cell that the virus needs to reproduce in

• Something that causes harm to the cell

• The person that greats you at a resturant

What type of cell does not have a nucleus?

• eukaryotic 

• prokaryotic 

What is a vaccine?

• girl's name.

• something that helps the body fight viruses.

• purple fruit from France.

• something completely different.

A family living in a house needs to dig a new well before they will have usable water. Several options for the well location are shown in the diagram. Which location would be the best choice for the new well?

• Q

• R

• S

• T

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

The figure shows the zones of the ocean. Coral reefs require sunlight because reef-building coral contain photosynthetic algae in their tissues. The reefs must sit on the ocean floor for support and must remain underwater to survive. In which ocean zone does a reef most likely thrive?

• oceanic zone

• benthic zone

• neritic zone

• intertidal zone

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-4

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which characteristic of a cold-water upwelling near the coast of Northern California results in a large concentration of marine organisms?

• loss of thermal stability

• high nutrient concentration

• consistent surface-current flow rate

• increased availability of dissolved oxygen

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which best describes the importance of an aquifer?

• It holds uncontaminated ground water for human consumption

• It supplies all water for lakes and rivers

• It provides water for oceans

Tags

NGSS.MS-ESS2-4