Chapter 2:
Energy, Life, and the Biosphere
Practice Test
1.
What are the living components of any area?
a.
the abiotic factors
b.
the catalysts
c.
the rocks and minerals
d.
the biotic factors
Hint
2.
Where in the human digestive system does digestion of fats occur?
a.
stomach
b.
large intestine
c.
mouth
d.
small intestine
Hint
3.
Where in the human digestive system does carbohydrate digestion begin?
a.
large intestine
b.
mouth
c.
small intestine
d.
stomach
Hint
4.
What are the nonliving components of any area?
a.
the catalysts
b.
plants and animals
c.
the abiotic factors
d.
the biotic factors
Hint
5.
What organisms in a community use the Sun's energy to make food?
a.
producers
b.
decomposers
c.
consumers
d.
heterotrophs
Hint
6.
What are wavelike contractions of the muscles of the digestive tract that move food along?
a.
swallowing
b.
chewing
c.
releasing saliva
d.
peristalsis
Hint
7.
What are all the chemical activities and changes that take place in a cell or organism?
a.
entropy
b.
catalysts
c.
respiration
d.
metabolism
Hint
8.
What is the law that states that energy cannot be created or destroyed?
a.
law of gravity
b.
law of entropy
c.
law of conservation of energy
d.
law of conservation of matter
Hint
9.
What is the place where a particular organism lives in an ecosystem?
a.
its habitat
b.
its home
c.
its food web
d.
its territory
Hint
10.
What chemical reactions release the free energy of organic compounds for use by organisms?
a.
chemosynthesis
b.
photosynthesis
c.
cell respiration
d.
synthesis
Hint
