Question 1

Genetic drift occurs to some degree in all populations of finite size.

Accepted Answer

A) True 
 B)False

Question 2

The law of stratigraphy states that the oldest fossils will be found at the bottom of a layer of rock.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is not one of the observations that led Darwin to propose the theory of natural selection?

Accepted Answer

A) Organisms have great potential fertility. 
B) Natural populations normally remain constant in size except for minor fluctuations. 
C) Natural resources are limited. 
D) The hereditary process features inheritance of discrete and non-blending particular factors. 
A) Organisms have great potential fertility. 
B) Natural populations normally remain constant in size except for minor fluctuations. 
C) Natural resources are limited. 
D) The hereditary process features inheritance of discrete and non-blending particular factors.

Question 4

An explanation for gaps in the fossil record stating that evolutionary change is concentrated in episodic events of branching speciation is called ______________.

Accepted Answer

punctuated

Question 5

Which of the following is not true of the punctuated equilibrium theory?

Accepted Answer

A) It was inspired in part by patterns observed in the fossil record of animals. 
B) It proposes that most evolutionary change is concentrated in relatively brief episodes of branching speciation. 
C) It requires macromutational changes. 
D) It suggests that most species experience relatively little phenotypic change throughout their evolutionary duration. 
A) It was inspired in part by patterns observed in the fossil record of animals. 
B) It proposes that most evolutionary change is concentrated in relatively brief episodes of branching speciation. 
C) It requires macromutational changes. 
D) It suggests that most species experience relatively little phenotypic change throughout their evolutionary duration.

Question 6

Structures in different organisms that are similar because they descend with some modification from a corresponding feature of their common ancestor are said to be ___________________.

Accepted Answer

The answer of Structures in different organisms that are similar...

Question 7

Which of the following is not an inference of Darwin's theory of natural selection?

Accepted Answer

A) There exists a struggle for existence among members of a population. 
B) There is differential survival and reproduction among varying organisms in a population. 
C) Characteristics that are harmful to survival are often advantageous for reproduction. 
D) Over many generations,differential survival and reproduction of varying organisms generates new species. 
A) There exists a struggle for existence among members of a population. 
B) There is differential survival and reproduction among varying organisms in a population. 
C) Characteristics that are harmful to survival are often advantageous for reproduction. 
D) Over many generations,differential survival and reproduction of varying organisms generates new species.

Genetic drift occurs to some degree in all populations of finite size.

The law of stratigraphy states that the oldest fossils will be found at the bottom of a layer of rock.

Which of the following is not one of the observations that led Darwin to propose the theory of natural selection?

An explanation for gaps in the fossil record stating that evolutionary change is concentrated in episodic events of branching speciation is called ______________.

Which of the following is not true of the punctuated equilibrium theory?

Structures in different organisms that are similar because they descend with some modification from a corresponding feature of their common ancestor are said to be ___________________.

Which of the following is not an inference of Darwin's theory of natural selection?

Animal Ecology

Animal Architecture

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges: Phylum Porifera

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa: Flatworms, Gastrotrichs, Gnathiferans, and Mesozoans

Polyzoa and Kryptrochozoa: Cycliophora, Entoprocta, Ectoprocta, Brachiopoda, Phoronida, and Nemertea

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Arthropods

Chaetognaths, Echinoderms, and Hemichordates

Vertebrate Beginnings: the Chordates

Fishes

The Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Filters

Exam 1: Science of Zoology and Evolution of Animal Diversity

Genetic drift occurs to some degree in all populations of finite size.

The law of stratigraphy states that the oldest fossils will be found at the bottom of a layer of rock.

Which of the following is not one of the observations that led Darwin to propose the theory of natural selection?

An explanation for gaps in the fossil record stating that evolutionary change is concentrated in episodic events of branching speciation is called ______________.

Which of the following is not true of the punctuated equilibrium theory?

Structures in different organisms that are similar because they descend with some modification from a corresponding feature of their common ancestor are said to be ___________________.

Which of the following is not an inference of Darwin's theory of natural selection?

Animal Ecology

Animal Architecture

Taxonomy and Phylogeny of Animals

Unicellular Eukaryotes

Sponges: Phylum Porifera

Cnidarians and Ctenophores

Acoelomorpha, Platyzoa, and Mesozoa: Flatworms, Gastrotrichs, Gnathiferans, and Mesozoans

Polyzoa and Kryptrochozoa: Cycliophora, Entoprocta, Ectoprocta, Brachiopoda, Phoronida, and Nemertea

Molluscs

Annelids and Allied Taxa

Smaller Ecdysozoans

Arthropods

Chaetognaths, Echinoderms, and Hemichordates

Vertebrate Beginnings: the Chordates

Fishes

The Early Tetrapods and Modern Amphibians

Amniote Origins and Nonavian Reptiles

Birds

Mammals

Filters