Life Science Review Question Preview (ID: 35946)


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What is the smallest unit that can carry on all functions of life?
a) element
b) molecule
c) cells
d) atoms

If you compare a city to a cell, what building would represent the mitochondria and why?
a) factory: manufactoring
b) power plant: provides energy
c) city hall: control center
d) highways and streets: transporation

What cell structure is the gatekeeper, controlling what goes in and out of the cell?
a) nucleus
b) vacuole
c) cell membrane
d) cell wall

Plants can both physically and chemically ______________ rocks.
a) building
b) depositing
c) eroding
d) weathering

Why do you use a microscope to view cells?
a) Cells are very colorful.
b) Cells are too large to see.
c) Cells are too small to see.
d) Cells are everywhere.

Which animal group lays eggs in the water, has thin skin, and metamorphosis occurs?
a) Mammals
b) Birds
c) Amphibians
d) Reptiles

All are examples of seed producing plants except....
a) moss
b) apple tree
c) rose
d) grass

What is one way that microorganisms can be harmful to humans?
a) Microorganisms in our stomachs breakdown food.
b) Microorganisms decompose waste.
c) Microorganisms are used in producing food.
d) Microorganisms cause disease.

Traits are determined by our genes and these traits are inherited. Where do our genes come from?
a) Your sisters and brothers
b) Your parents
c) Your friends
d) No one

How are humans classified?
a) Vascular and mammals
b) Vertebrates and mammals
c) Vertebrates and vascular
d) Vascular and humans

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