Question 1

Four of the following organisms belong in the clade of class Reptilia. Which one does not?​

Accepted Answer

A)  ​turtle 
B)  ​fish 
C)  ​birds 
D)  ​lizards 
E)  ​snakes 
A)  ​turtle 
B)  ​fish 
C)  ​birds 
D)  ​lizards 
E)  ​snakes

Question 2

Similar body parts are not always homologous. They may have evolved independently in separate lineages as adaptations to the same ____.

Accepted Answer

A)  ​reproductive isolation of these groups 
B)  ​environmental pressures 
C)  ​reduced genetic variability in these groups 
D)  ​identical genes in all three groups 
E)  ​genetic bottleneck 
A)  ​reproductive isolation of these groups 
B)  ​environmental pressures 
C)  ​reduced genetic variability in these groups 
D)  ​identical genes in all three groups 
E)  ​genetic bottleneck

Question 3

The master gene Hox helps to sculpt the body plan of embryos by ____.

Accepted Answer

A)  ​inhibiting the Dlx gene to prevent extra limbs 
B)  ​timing the activation of Dlx genes 
C)  ​causing cell death in any cell not expressing the Hox gene 
D)  ​converting sugar into energy to allow the process to go to completion 
E)  ​inducing mutations in plants 
A)  ​inhibiting the Dlx gene to prevent extra limbs 
B)  ​timing the activation of Dlx genes 
C)  ​causing cell death in any cell not expressing the Hox gene 
D)  ​converting sugar into energy to allow the process to go to completion 
E)  ​inducing mutations in plants

Question 4

Body appendages as diverse as crab legs, beetle legs, sea star arms, butterfly wings, fish fins, and mouse feet start out as ____.

Accepted Answer

A)  ​clusters of cells in the limb buds 
B)  ​cerebral cells 
C)  ​cardiac cells 
D)  ​offshoots of the sperm cell 
E)  ​offshoots of the egg 
A)  ​clusters of cells in the limb buds 
B)  ​cerebral cells 
C)  ​cardiac cells 
D)  ​offshoots of the sperm cell 
E)  ​offshoots of the egg

Question 5

Expression of the Hoxc6 gene causes ____.

Accepted Answer

A)  ​ribs to develop on a vertebra 
B)  ​the development of eyes 
C)  ​limb bud development 
D)  ​gill arches to close 
E)  ​the development of hair 
A)  ​ribs to develop on a vertebra 
B)  ​the development of eyes 
C)  ​limb bud development 
D)  ​gill arches to close 
E)  ​the development of hair

Question 6

Phylogeny research is LEAST likely to include which type of analysis?​

Accepted Answer

A)  ​genetic 
B)  ​anatomical 
C)  ​behavioral 
D)  ​physiological 
E)  ​direct observation of evolution 
A)  ​genetic 
B)  ​anatomical 
C)  ​behavioral 
D)  ​physiological 
E)  ​direct observation of evolution

Exam 18: Organizating Information About Species

Four of the following organisms belong in the clade of class Reptilia. Which one does not?​

Similar body parts are not always homologous. They may have evolved independently in separate lineages as adaptations to the same ____.

The master gene Hox helps to sculpt the body plan of embryos by ____.

Body appendages as diverse as crab legs, beetle legs, sea star arms, butterfly wings, fish fins, and mouse feet start out as ____.

Expression of the Hoxc6 gene causes ____.

Phylogeny research is LEAST likely to include which type of analysis?​

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

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 - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

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

Filters

Four of the following organisms belong in the clade of class Reptilia. Which one does not?

Phylogeny research is LEAST likely to include which type of analysis?