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Semester 2 review

Total questions: 50

Worksheet time: 41mins

Name
Class
Date
1.

Which Hardy-Weinberg factor represents the frequency of heterozygous individuals in a population?

a)

p2

b)

2pq

c)

q2

d)

p2 + 2pq

2.
A few deer wander out of their native woods into a completely new park where no deer had ever been before. They go on to create an entirely new population.
a)
Genetic Drift
b)
Natural Selection
c)
Non-random mating
d)
Mutation
3.
What does the Hardy-Weinberg equilibrium measure?
a)
changes in allele frequencies
b)
numbers of mutations
c)
goodness of fit
d)
genetic diversity
4.
A population of 150 individuals has an allele frequency of 0.3 for the dominant allele (B) and a frequency of 0.7 for the recessive allele (b). Use the Hardy-Weinberg equation to determine the frequency of the genotype (bb).
a)
0.09
b)
0.42
c)
0.49
d)
0.21
5.
In the Hardy-Weinberg Equation, q2 is the frequency of what?
a)
The recessive allele 
b)
the dominant allele
c)
the recessive genotype
d)
the dominant genotype
6.
Which is a mechanism for change in allele frequency?
a)
gene flow
b)
genetic drift
c)
natural selection
d)
all answers are correct
7.
When a population is in Hardy-Weinberg equilibrium,  what is NOT happening to the species?
a)
Survival
b)
Reproduction
c)
Death
d)
Evolution
8.

What is the term for a feature that allows an organism to survive better in its environemtn?

a)

variation

b)

adaptation

c)

homologous structure

d)

vestigial structure

9.
Natural selection results in change over time by acting on traits that are
a)
heritable
b)
new
c)
mutated 
d)
better than the best
10.
Some organisms that share a common ancestor have features that have different functions, but similar structures.  These are known as
a)
vestigial structures
b)
analogous structures
c)
homologous structures
d)
fossil structures
11.
The gradual change in species over time is...
a)
Evolution
b)
Nucleotide 
c)
Adaptation
d)
Natural Selection
12.
Choose which scientist corresponds best with the statement: 
acquired characteristics are inherited
a)
Darwin 
b)
Lamarck
13.
What is the study of organisms at the early stages of development?
a)
DNA studies
b)
embryology 
c)
extinction
d)
fossil record
14.
Which of the following is an example of a vestigial structure?
a)
the wings of a red-tailed hawk
b)
the hind limbs of a house cat
c)
the fins of sharks
d)
the tailbone of a human
15.
The diagram shows fossils in different rock layers. Which of these statements about the age of these fossils is most likely correct?
a)
Fossil A and C are the same age
b)
Fossil B is older than fossil C
c)
Fossils A is older than fossil B
d)
Fossil D is older than fossil C
16.
Two organisms that are closely related would have
a)
very similar DNA sequence
b)
exactly the same DNA sequences
c)
no proteins in common
d)
completely different DNA sequence
17.
According to the law of superposition, which layer is the youngest?
a)
A
b)
B
c)
C
18.
______ _________ explains how two or more organisms could evolve similar traits even though they are not related to each other.
a)
convergent evolution
b)
reproductive isolation
c)
derived characters
d)
hybrid vigor
19.
A __________ is a branching diagram that shows evolutionary relationships.
a)
cladogram
b)
table
c)
derived character
d)
relationship tree
20.
__________ characters are similar characteristics that have evolved separately in two unrelated organisms.
a)
analogous
b)
homologous
c)
cladistic
d)
phylogenic
21.
The scientific name for humans is _______ ____
a)
Homo sapiens
b)
Homo neandertal
c)
homo Sapiens
d)
homo sapiens
22.

Cheetah's all have 99% identical DNA. Which is/are true?

a)

They are more likely to evolve into a new species than other cats due to gene flow.

b)

They are likely to go extinct because they have so little variation.

c)

They likely underwent a bottleneck in their history.

d)

The founder's effect made it so they have several different subspecies.

e)

Cheetahs never prosper and winners never cheat.

23.

Fixed Action Pattern required _____

a)

A period of time

b)

Sign stimulus

c)

A repeated stimulus

d)

A behavior

24.

Which of the following is not animal excretion?

a)

Nitric Acid

b)

Uric Acid

c)

Urea

d)

Ammonia

25.

The animals that rely on environmental heat to maintain its temperature is an ___

a)

Ectoterm

b)

Endoterm

c)

Homeotherm

d)

Poikilotherm

26.

The octopus have blue blood because they used ___ to carry oxygen.

a)

Hemoglobin

b)

Hemocyanin

c)

Hemerythrin

d)

Chlorocruonin

27.

Organisms that have varies body temperature is aclled___

a)

Ectotherm

b)

Endotherm

c)

Homeotherm

d)

Poikilotherm

28.

Naphridia are used for ____.

a)

respiration

b)

digestion

c)

excretion

d)

none of the above

29.

Malpighia tubules are found in ___

a)

Cnidaria

b)

Arthropods

c)

Porifera

d)

Anelida

30.

Which type of excretion is best to prevent water loss?

a)

Ammonia

b)

Urea

c)

Uric Acid

d)

none of the above

31.

Tapeworms belong to which phyla?

a)

Platyhelminthes

b)

Cnidaria

c)

Nematoda

d)

Arthropoda

32.

Tracheophytes are the group of plants that have vascular tissue

a)

True

b)

False

33.

What kind of body cavity is it which organisms have a fluid-filled tube between the endoderm and mesoderm?

a)

Coelomate

b)

Acoelomate

c)

Psudocoelomate

d)

none of the above

34.

Digestive system is formed from ____

a)

Endoderm

b)

Mesoderm

c)

Exoderm

d)

none of the above

35.

The organisms that have 2 distintive sex

a)

Monoecious

b)

Dioecious

c)

Hermaphrodictic

d)

Diploblastic

36.

Porifera and Cnidaria are made from ______cell layers

a)

Endoderm

b)

Mesoderm

c)

Ectoderm

d)

Endoderm and Ectoderm

e)

Mesoderm and Ectoderm

37.

Which phylum has exoskeleton?

a)

Chrodata

b)

Nematoda

c)

Echinodermata

d)

Arthropoda

38.

Malaria is a _______

a)

bacteria

b)

protist

c)

archaea

d)

virus

39.

The unique characteristic of mammalia is ____

a)

fur

b)

opposible thumb

c)

tube feet

d)

exoskeleton

40.

In human, notochord is _____?

a)

vertebra

b)

chest

c)

abdomen

d)

brain

41.

Mammal that have pouch

a)

Eutherian

b)

Monotreme

c)

Marsupial

d)

Hermaphrodite

42.

Which of these organisms belong to Annelida phyla?

a)

Round worm

b)

Tape warm

c)

Leech

d)

Amoeba

43.

Which of the following organisms does not belongs to domain Archaea

a)

Thermophiles

b)

E. coli

c)

Halophiles

d)

Methanogens

44.

What is the autotroph protist?

a)

Amoeba

b)

Paramecia

c)

E. coli

d)

Euglena

45.

Amoeba moves around using ____

a)

Psudopods

b)

Cilia

c)

Flagellum

d)

none of the above

46.

Mesoderm will form ___

a)

digestive system

b)

skin

c)

muscles

d)

nerves

47.

Lichen made up from algae and fungus that have symbiotic relationship

a)

true

b)

false

48.

Organisms without a body cavity are

a)

acoelomate

b)

coelomate

c)

psudocoelomate

d)

none of the above

49.

Bryophute is a group of plant with no vascular tissue

a)

true

b)

false

50.

which of these organisms belong to Protista?

a)

Amoeba

b)

Rose

c)

Sponge

d)

Mushroom

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