Worksheet On Invitation To Biology

Name _________________________________ ID number_________________ Date_________________

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 of multiple cells
e. All of the above are true

10. Which domain(s) is(are) made up of organisms without nuclei?
a. Archaea
b. Bacteria
c. Eukarya
d. both Bacteria and Eukarya
e. both Archaea and Bacteria

11. The principal point of the Darwinian theory of evolution by natural selection was that
a. Long-term heritable changes in organisms are caused by use and disuse.
b. Mutations are caused by all sorts of environmental influences.
c. Survival of characteristics in a population depends on competition between organisms, especially between members of the same species.
d. Those mutations that adapt an organism to a given environment somehow always arise in the greatest frequency in the organisms that occupy that environment.
e. All of these.
12. How many variable events is it best to test in one experiment?
a. 4
b. 3
c. 2
d. 1
e. as many as possible

13. Members of which kingdom are usually multicellular producers?
e. Animalia
d. Protista
c. Plantae
b. Fungi
a. Archaea

14. All of the following will strengthen a scientific theory EXCEPT
a. repetitions of experiments
b. increased number of observations
c. time
d. faith
e. confirmation by many scientists

15. When a hypothesis has been repeatedly and rigorously tested and supported, it is called a
a. model
b. testable prediction
c. scientific method
d. scientific theory
e. result