Bacteria and D. Energy E.

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Invitation to Biology – small test 1 (due in class on Thu Sep 5th) This is a multiple choice test – please circle the letter corresponding to the most correct answer. 15 Qs.

1.The instructions in DNA are used to make
a.carbohydrates
b.lipids (fats)
c.DNA
d.energy
e.proteins

2.The ability to maintain a constant internal environment is called a.metabolism
b.homeostasis
c. physiology
d. development
e.thermoregulation

3.As energy is transferred among organisms, some escapes from the environment as ____ energy. a.electrical
b.nuclear
c.light
d.mechanical
e.thermal (heat)

4. Organisms designated as producers usually obtain their energy from a.other producers
b.dead consumers
c.decomposers
d.the sun
e.all of these

5.Which of the following is defined as "all of the various species living in the same area"? a.population
b.organism PLEASE complete the table below c.biosphere by circling your answers
d.community
e.ecosystem

6.Which is the smallest unit of life that can survive and reproduce on its own? a.an organ
b.an atom
c.a molecule
d.a population
e.a cell

7.A mutation can be caused by exposure to certain chemicals and is a change in a.the developmental pattern in an organism
b.hereditary instructions (DNA)
c.metabolism
d.homeostasis
e.the life cycle of an organism

8.The least diverse and inclusive classification group is the a.phylum
b.genus
c.family
d.domain
e.species
9.Which is INCORRECT: All organisms are alike in the following ways, because… a.they can respond to changes in their internal and external environment b.their cells contain DNA
c.they require energy and raw material input
d.they are made...
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