Question 1

The study of comparative embryology reveals the conservative nature of the genes responsible for

Accepted Answer

A)  food procurement. 
B)  reproductive behavior. 
C)  embryonic development. 
D)  embryonic size. 
E)  embryonic intelligence. 
A)  food procurement. 
B)  reproductive behavior. 
C)  embryonic development. 
D)  embryonic size. 
E)  embryonic intelligence.

Question 2

A monophyletic group has how many ancestors?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  many 
E)  it is variable 
A)  one 
B)  two 
C)  three 
D)  many 
E)  it is variable

Question 3

A fairly conserved gene is compared between a human, a chimpanzee, a bear and a banana.How would you expect their DNA sequences to relate?

Accepted Answer

The human and chimpanzee would have very

Question 4

A mutation in the Apetala1 gene, in Brassica oleracea plants (wild cabbage), results in mutated flowers that

Accepted Answer

A)  have multiple female parts. 
B)  have multiple male parts. 
C)  have leaves instead of petals. 
D)  have enormous size. 
E)  burrow into the ground like peanuts. 
A)  have multiple female parts. 
B)  have multiple male parts. 
C)  have leaves instead of petals. 
D)  have enormous size. 
E)  burrow into the ground like peanuts.

Question 5

The convergence in external morphology of sharks, penguins, and porpoises is attributed to

Accepted Answer

A)  reduced genetic variability in these groups. 
B)  selection pressures that are common to these groups. 
C)  reproductive isolation of these groups. 
D)  identical genes in all three groups. 
E)  use and disuse of the limbs. 
A)  reduced genetic variability in these groups. 
B)  selection pressures that are common to these groups. 
C)  reproductive isolation of these groups. 
D)  identical genes in all three groups. 
E)  use and disuse of the limbs.

Question 6

Which of the following serve as examples of morphological convergence?

Accepted Answer

A)  sharks, penguins, and porpoises 
B)  panthers and tigers 
C)  apes and monkeys 
D)  sharks, skates, and rays 
E)  mice, rats, and gerbils 
A)  sharks, penguins, and porpoises 
B)  panthers and tigers 
C)  apes and monkeys 
D)  sharks, skates, and rays 
E)  mice, rats, and gerbils

Exam 18: Organizing Information About Species

The study of comparative embryology reveals the conservative nature of the genes responsible for

A monophyletic group has how many ancestors?

A fairly conserved gene is compared between a human, a chimpanzee, a bear and a banana.How would you expect their DNA sequences to relate?

A mutation in the Apetala1 gene, in Brassica oleracea plants (wild cabbage), results in mutated flowers that

The convergence in external morphology of sharks, penguins, and porpoises is attributed to

Which of the following serve as examples of morphological convergence?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Startsphotosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

Filters