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Evolution 1

Total questions: 43

Worksheet time: 25mins

Name
Class
Date
1.

Comparing the bones pictured in this diagram can provide evidence to support which of the following conclusions?

a)

The humerus bone evolved separately in many different lines of animals.

b)

The size and position of various bones indicates how highly evolved an animal is.

c)

Fossil evidence of bones provides the strongest evidence for evolution.

d)

Humans, lions, and birds evolved from a common ancestor.

2.

this evidence provides proof of what life existed in the past. These show animals that were once alive and now completely excitinct, and animals that still have living relatives today. The higher up the animal is in the rock, the more similar it is to todays species.

a)

Genetics

b)

fossil records

c)

anatomy

d)

patterns of distribution

3.

this piece of evidence is shown by the similarites in all embryos. For example, all embryos have a pouch that develops into certain things. this similarity shows that all species came from similar beginnings

a)

molecular biology

b)

fossils

c)

anatomy

d)

embryology

4.
Structures are similar in appearance but not in structure
a)
Vestigial 
b)
Homologous 
c)
Analogous Structures 
d)
Embryonic 
5.
The changes of species over time
a)
Embryonic 
b)
Natural selection 
c)
Mimicry 
d)
Evolution 
6.
Which layer is the youngest
a)
1
b)
2
c)
3
d)
4
7.

Which types of organisms developed first due to the early environmental conditions on Earth? 

a)

prokaryotic and aerobic

b)

prokaryotic and anaerobic

c)

eukaryotic and aerobic

d)

eukaryotic and anaerobic

8.

Which of the following was presumably absent from Earth Early atmosphere based on the conditions present at the time?

a)

Carbon Dioxide (CO2)

b)

Methane (CH4)

c)

Oxygen (O2)

d)

Water(H2O)

e)

Cyanide (CN-)

9.

The Miller-Urey experiment of 1953 was designed to test the hypothesis that lightning supplied the energy needed to turn atmospheric gases into organic molecules such as amino acids. Which of the following describes why the Miller-Urey theory is widely accepted today?

a)

Amino acids spontaneously form from molecules in the atmosphere today.

b)

Organic molecules are present today in extremely high concentrations.

c)

The process of synthesizing organic molecules from a mixture of gases has been successfully modeled in the laboratory. 

d)

No other alternative hypotheses have been introduced.

10.

The image provided represents the following experiment to test Earth Early Atmosphere...

a)

Watson-Crick's DNA experiment

b)

Lynn Margullis Endosymbiotic Theory

c)

Miller-Urey Experiment

d)

Einstein's theory of general relativity

11.
The theory that organic compounds arose from the inorganic molecules present on early Earth relies on all of the following assumptions except for one. Which one is an incorrect assumption?
a)
High energy input in the form of lighting and/or UV radiation
b)
Oxygen gas present in the atmosphere
c)
The presence of inorganic molecules
d)
The Earth is 4.6 billion years old, allowing sufficient time for evolution to occur.
12.
Which principle of natural selection is stated incorrectly?
a)
Individuals in a population show variations.
b)
Variations are not inherited from parents.
c)
Organisms have more offspring than can survive on available resources
d)
Variations that increase reproductive success will be more common in the next generation.
13.
Which of the following best illustrates natural selection?
a)
An organism with favorable genetic variations will tend to survive and breed successfully.
b)
A population monopolizes all of the resources in its habitat, forcing other species to migrate.
c)
A community whose members work together utilizing all existing resources and migratory  routes.
d)
The largest organisms in a species receive the only breeding opportunities
14.
Which statement best describes conditions on early Earth?
a)
hot with volcanic activity and electrical storms
b)
dry land covered with volcanic dust
c)
cold oceans
d)
dark and dusty with abundant water
15.
Which of the following describes what the first life form resembled?
a)
Eukaryotes
b)
Plants
c)
Bacteria
d)
Fungi
16.

What term describes the interaction between individuals when a resource such as food is scarce?

a)

Competition

b)

Predation

c)

Variation

d)

Mutualism

17.

Artificial selection is a process that can be undertaken through which of the following?

a)

Selective breeding

b)

Cloning

c)

PCR

d)

Gene editing

18.

An inherited trait that helps an organism survive and reproduce in its environment is known as?

a)

adaptation

b)

genetic variation

c)

natural selection

d)

mutation

19.
A small portion of the population that is geographically isolated from the rest of the population runs the risk of decreased.
a)
genetic drift
b)
mutation rate
c)
natural selection
d)
genetic variation
20.
When lions prey on a herd of antelopes, some antelopes are killed and some escape. Which part of Darwin’s concept of natural selection might be used to describe this situation?
a)
reproductive isolation
b)
descent with modification
c)
acquired characteristics
d)
survival of the fittest
21.

On the Galapagos Islands, different finches evolved on different islands to fit their environment. When a species develops unique traits because it is trapped in one area this is called:

a)

Geographic isolation

b)

Geologic separation

c)

General relocation

d)

Genetic differentiation

22.

The combined genetic information of a population forms a .

a)

genotype

b)

phenotype

c)

gene pool

d)

bottleneck.

23.

Natural Selection act on:

a)

genotype

b)

Phenotype

c)

Homozygous

d)

Heterozygous

24.

Is a group of individuals that mate and produce offspring

a)

Gene pool

b)

Population

c)

Polygenic

d)

single trait

25.

Only populations evolve, not individuals

a)

True

b)

False

26.

This dying out or extermination of a species.

a)

Endangerment

b)

Extinction

c)

Ecologically Extinct

d)

Extinct Species

27.

What do you call the plants or animals that are in danger of becoming extinct?

a)

Endangered Species

b)

Extinction

c)

Extinct Species

d)

Ecologically Extinct

28.

It refers to the variety of all species, living things, and ecosystems on Earth

a)

Community

b)

Species Population

c)

Biological Diversity

d)

Organisms

29.

Extinction are of .......................types

a)

2

b)

3

c)

4

d)

5

30.

............ extinction occurs when a very large number of species go extinct in a relatively short amount of time

a)

Mass

b)

Background

31.

..................extinction is the gradual and normal process of species becoming extinct

a)

Mass

b)

Background

32.
Structures that are inherited from a common ancestor are homologous.
a)
True
b)
False
33.
Humans, birds, whales, and lizards all have similar arm bones. What is the reason for this?
a)
The function of these bones is the same in all animals
b)
They live in similar environments
c)
They have a common ancestor
d)
All organisms resemble humans
34.
Shark fins and dolphin fins are examples of analogous structures.
a)
True
b)
False
35.

An anatomical feature that no longer seams to have a purpose in the current form of an organism

a)

Homologous structure

b)

Analogous structure

c)

Vestigial structure

d)

None of the above

36.

Reproductive isolation occurs when members of same populations can mate successfully

a)

true

b)

false

37.

The rise of one or more species from one existing species is called

a)

gene flow

b)

genitic drift

c)

speciation

d)

isolation

38.

Behavioral isolation is caused by

a)

different species

b)

differences in courtship or mating rituals

c)

differences in timing

d)

geographic barriers

39.

Over time the isolated populations become genetically

a)

Same

b)

different

c)

more

d)

less

40.

Why are hybrid animals, e.g ligers or mules, not considered a new species?

a)

They are sterile

b)

They can interbreed

41.

The flowers of pink tulips open in the morning, while the flowers of lavender tulips open in the early afternoon. The bees that pollinate these tulips cannot carry pollen back & forth between the two types of tulips because of their flowers being closed at different times of day. What type of reproductive barrier is this?

a)

behavioral isolation

b)

temporal isolation

c)

mechanical isolation

d)

gametic isolation

42.

Species concept concerned with observable physical traits

a)

morphological

b)

ecological

c)

molecular

d)

phylogenetic

43.

Species concept concerned with common ancestry

a)

morphological

b)

ecological

c)

phylogenetic

d)

artificial

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