Taks review obj 3 with answers

Viruses

not alive

antibiotics do not cure

ex. AIDS, common cold, influenza, warts

Bacterial Cell

alive

harmful - need antibiotics

ex. strep throat, staph

helpful - as decomposers

Unlike bacteria, Viruses do not have the ability to replicate outside a

living cell. Move Box to View Explaination

Antibiotics are ineffective against viruses because they are non-

living entities.

.

Move Box to View Explaination

Viruses have a core of either RNA or DNA.Move Box to View Explaination

A tree carries out photosynthesis.Move Box to View Explaination

The shape of the pyramid represents

relative amounts of energy in an

ecosystem.

Move Box to View Explaination

Sunlight is the ultimate source of energy for

an ecosystem.Move Box to View Explaination

The gulls because they are at

the top of the food chain.Move Box to View Explaination

Parasite lives in or on another organism

doing harm to it.Move Box to View Explaination

Both organisms benefit and neither is harmed.

Move Box to View Explaination

camouflageMove Box to View Explaination

Stomata are openings in the cell wall that allow for the

exchange of substances including water.Move Box to View Explaination

Water is limited in the desertMove Box to View Explaination

Sunlight is needed for photosynthesis.Move Box to View Explaination