LSC - BIOL 1406 Final Review
(updated) questions and answers
1. One characteristic that distinguishes all living things from the nonliving is that living things are
made of units
called __________________________ which contain DNA. - correct answer ✔✔ CELLS
2. Jerking your hand away from a hot object or sneezing is an example of a
_______________________. - correct answer ✔✔ RESPONSE
3. The ability to maintain a constant body temperature is an example of
_________________________. - correct answer ✔✔ HOMEOSTASIS (REGULATION)
4. A bacterium splits or divides to form two identical cells. This is ____________________
reproduction. - correct answer ✔✔ ASEXUAL
5. A tentative or possible explanation to a problem is called a __________________________. -
correct answer ✔✔ HYPOTHESIS
6. The single condition altered or changed in an experiment is the
____________________________ variable. - correct answer ✔✔ INDEPENDENT
7. The group in an experiment in which all conditions are kept constant and which is used for
com¬parison is
8. the __________________________ group. - correct answer ✔✔ CONTROL
,9. The group in an experiment which contains one condition changed, is the
_______________________ group. - correct answer ✔✔ EXPERIMENTAL
10. All of the catfish (one species) that live in a pond make up a __________________________.
- correct answer ✔✔ POPULATION
11. All of the catfish brim, bass, turtles and frogs (many species) in a pond make up a
________________________. - correct answer ✔✔ COMMUNITY
12. Most multicellular organisms are made up of organ systems which are composed
of_______________________, which are composed ___________________________, which
are made up of _________________________. - correct answer ✔✔ ORGANS, TISSUES, CELLS
14. The branch of biology that deals with naming and classifying organisms is called
_________________________. - correct answer ✔✔ TAXONOMY
15. Prokaryotes belong to one of two classification domains called __________________ and
___________________. - correct answer ✔✔ BACTERIA, ARCHAEA
16. Bacteria that feed on dead organic matter and help to recycle nutrients are called
________________________. - correct answer ✔✔ DECOMPOSERS
17. Plants, algae, and other photosynthetic organisms are the
_____________________________ of ecosystems. - correct answer ✔✔ PRODUCERS
18. Plants animals, protists, and fungi belong to the domain
_____________________________. - correct answer ✔✔ EUKARYA
19. All organisms are given a scientific name which is derived from the _______________ and
_______________
,group to which they belong. - correct answer ✔✔ GENUS SPECIES
20. Long term changes in the genetic makeup of a large population or species is called
_____________________. - correct answer ✔✔ EVOLUTION
21. An inherited characteristic or behavior that helps an organism survive and successfully
reproduce is called an
____________________________. - correct answer ✔✔ ADAPTATION
22. Individuals with traits or adaptations best suited to the environment leave a larger number
of offspring which increases the proportion of inheritable variations in the next generation. This
differential reproductive success is what Charles Darwin called ____________________
____________________ which can lead to evolution. - correct answer ✔✔ NATURAL SELECTION
23. The four most biologically important elements which constitute about 96% of living matter
are: ______________________ ____________________, __________________, and
___________________. - correct answer ✔✔ CARBON, HYDROGEN, NITROGEN, OXYGEN
24. The smallest unit of an element that retains the chemical and physical properties of that
element is called
an ____________. - correct answer ✔✔ ATOM
25. Most of the mass of an atom is in its nucleus which is composed of positively charged
__________________ and __________________ which have no charge. - correct answer ✔✔
PROTONS, NEUTRONS
26. _____________________ are negatively charged particles that move within a 3-D space
around the nucleus
called an ______________________. - correct answer ✔✔ ELECTRONS, ORBITAL
, 27. The different fixed potential energy states for electrons are called ___________________
_________________. - correct answer ✔✔ ENERGY SHELLS
28. Isotopes such as Carbon-14 are variant forms of an element that differ in the number of
___________________
in their atoms. C-14 is a _______________________ which is used in dating fossils. - correct
answer ✔✔ NEUTRONS, RADIOISOTOPE
29. A substance composed of two or more different atoms chemically bonded together is a
_____________________. - correct answer ✔✔ COMPOUND
30. Whenever a chemist writes C6H12O6 she is writing a ___________________ formula for the
compound glucose. - correct answer ✔✔ MOLECULAR
31. When atoms share electrons to fill their valence shells, __________________________
bonds form. - correct answer ✔✔ COVALENT
32. In molecules such as O2 and CH4 electrons are share equally between atoms. The bonds
holding these molecules together are called ________________________ covalent bonds. -
correct answer ✔✔ NONPOLAR
33. In molecules such as NH3 and H2O electrons spend more time around N and O. These
___________________
molecules have one end which is slightly positive and one end which is slightly negative. -
correct answer ✔✔ POLAR
34. An ________________bond is formed by the electrostatic attraction after the complete
transfer of an electron
from a donor atom to an acceptor. An example of a compound formed by this type of bond is
NaCl. - correct answer ✔✔ IONIC
(updated) questions and answers
1. One characteristic that distinguishes all living things from the nonliving is that living things are
made of units
called __________________________ which contain DNA. - correct answer ✔✔ CELLS
2. Jerking your hand away from a hot object or sneezing is an example of a
_______________________. - correct answer ✔✔ RESPONSE
3. The ability to maintain a constant body temperature is an example of
_________________________. - correct answer ✔✔ HOMEOSTASIS (REGULATION)
4. A bacterium splits or divides to form two identical cells. This is ____________________
reproduction. - correct answer ✔✔ ASEXUAL
5. A tentative or possible explanation to a problem is called a __________________________. -
correct answer ✔✔ HYPOTHESIS
6. The single condition altered or changed in an experiment is the
____________________________ variable. - correct answer ✔✔ INDEPENDENT
7. The group in an experiment in which all conditions are kept constant and which is used for
com¬parison is
8. the __________________________ group. - correct answer ✔✔ CONTROL
,9. The group in an experiment which contains one condition changed, is the
_______________________ group. - correct answer ✔✔ EXPERIMENTAL
10. All of the catfish (one species) that live in a pond make up a __________________________.
- correct answer ✔✔ POPULATION
11. All of the catfish brim, bass, turtles and frogs (many species) in a pond make up a
________________________. - correct answer ✔✔ COMMUNITY
12. Most multicellular organisms are made up of organ systems which are composed
of_______________________, which are composed ___________________________, which
are made up of _________________________. - correct answer ✔✔ ORGANS, TISSUES, CELLS
14. The branch of biology that deals with naming and classifying organisms is called
_________________________. - correct answer ✔✔ TAXONOMY
15. Prokaryotes belong to one of two classification domains called __________________ and
___________________. - correct answer ✔✔ BACTERIA, ARCHAEA
16. Bacteria that feed on dead organic matter and help to recycle nutrients are called
________________________. - correct answer ✔✔ DECOMPOSERS
17. Plants, algae, and other photosynthetic organisms are the
_____________________________ of ecosystems. - correct answer ✔✔ PRODUCERS
18. Plants animals, protists, and fungi belong to the domain
_____________________________. - correct answer ✔✔ EUKARYA
19. All organisms are given a scientific name which is derived from the _______________ and
_______________
,group to which they belong. - correct answer ✔✔ GENUS SPECIES
20. Long term changes in the genetic makeup of a large population or species is called
_____________________. - correct answer ✔✔ EVOLUTION
21. An inherited characteristic or behavior that helps an organism survive and successfully
reproduce is called an
____________________________. - correct answer ✔✔ ADAPTATION
22. Individuals with traits or adaptations best suited to the environment leave a larger number
of offspring which increases the proportion of inheritable variations in the next generation. This
differential reproductive success is what Charles Darwin called ____________________
____________________ which can lead to evolution. - correct answer ✔✔ NATURAL SELECTION
23. The four most biologically important elements which constitute about 96% of living matter
are: ______________________ ____________________, __________________, and
___________________. - correct answer ✔✔ CARBON, HYDROGEN, NITROGEN, OXYGEN
24. The smallest unit of an element that retains the chemical and physical properties of that
element is called
an ____________. - correct answer ✔✔ ATOM
25. Most of the mass of an atom is in its nucleus which is composed of positively charged
__________________ and __________________ which have no charge. - correct answer ✔✔
PROTONS, NEUTRONS
26. _____________________ are negatively charged particles that move within a 3-D space
around the nucleus
called an ______________________. - correct answer ✔✔ ELECTRONS, ORBITAL
, 27. The different fixed potential energy states for electrons are called ___________________
_________________. - correct answer ✔✔ ENERGY SHELLS
28. Isotopes such as Carbon-14 are variant forms of an element that differ in the number of
___________________
in their atoms. C-14 is a _______________________ which is used in dating fossils. - correct
answer ✔✔ NEUTRONS, RADIOISOTOPE
29. A substance composed of two or more different atoms chemically bonded together is a
_____________________. - correct answer ✔✔ COMPOUND
30. Whenever a chemist writes C6H12O6 she is writing a ___________________ formula for the
compound glucose. - correct answer ✔✔ MOLECULAR
31. When atoms share electrons to fill their valence shells, __________________________
bonds form. - correct answer ✔✔ COVALENT
32. In molecules such as O2 and CH4 electrons are share equally between atoms. The bonds
holding these molecules together are called ________________________ covalent bonds. -
correct answer ✔✔ NONPOLAR
33. In molecules such as NH3 and H2O electrons spend more time around N and O. These
___________________
molecules have one end which is slightly positive and one end which is slightly negative. -
correct answer ✔✔ POLAR
34. An ________________bond is formed by the electrostatic attraction after the complete
transfer of an electron
from a donor atom to an acceptor. An example of a compound formed by this type of bond is
NaCl. - correct answer ✔✔ IONIC
