BIOLOGY 109 CHAPTER #14 EXAM
QUESTIONS AND ANSWERS
You take a job as a research assistant at one of the richest fossil fields ever to be
discovered. On your first day, you discover a new species, Neko borgus, that bears
similarities to the modern, domesticated cat. You now begin the task of grouping
your many fossils.
Can you determine which examples are from the same species by using the
biological species concept? - ANSWER-No, because you cannot determine the
potential for interbreeding between samples.
According to the biological species concept, a species is composed of ____. -
ANSWER-individuals capable of interbreeding and producing fertile offspring.
What are the four broad divisions of geological time? - ANSWER-Cenozoic,
Mesozoic, Paleozoic, Precambrian
According to the diagram, which of the following was most recently alive. -
ANSWER-H. neanderthalensis
Which of the following can cause allopatric speciation? - ANSWER-A mountain
range.
Major speciation of mammals occurred in which era and period? - ANSWER-
Cenozoic and Tertiary
Which of the following provides an explanation for the distribution of fossils? -
ANSWER-Plate tectonics
Which of the following is used to determine whether two populations belong to the
same species? - ANSWER-Ability to interbreed
What does molecular biology contribute to the classification of organisms? -
ANSWER-It allows the comparison of genes between organisms
The biological species concept fails to recognize species of __________. -
ANSWER-Bacteria
Two organisms of different species mate and produce offspring. This offspring
cannot mate with its siblings or with members of either parental species. This is an
example of __________. - ANSWER-Hybrid infertility
Which of the following contributes to classification? - ANSWER-All of the listed
responses are correct
The biological species concept applies only to breeding populations __________. -
ANSWER-in nature
QUESTIONS AND ANSWERS
You take a job as a research assistant at one of the richest fossil fields ever to be
discovered. On your first day, you discover a new species, Neko borgus, that bears
similarities to the modern, domesticated cat. You now begin the task of grouping
your many fossils.
Can you determine which examples are from the same species by using the
biological species concept? - ANSWER-No, because you cannot determine the
potential for interbreeding between samples.
According to the biological species concept, a species is composed of ____. -
ANSWER-individuals capable of interbreeding and producing fertile offspring.
What are the four broad divisions of geological time? - ANSWER-Cenozoic,
Mesozoic, Paleozoic, Precambrian
According to the diagram, which of the following was most recently alive. -
ANSWER-H. neanderthalensis
Which of the following can cause allopatric speciation? - ANSWER-A mountain
range.
Major speciation of mammals occurred in which era and period? - ANSWER-
Cenozoic and Tertiary
Which of the following provides an explanation for the distribution of fossils? -
ANSWER-Plate tectonics
Which of the following is used to determine whether two populations belong to the
same species? - ANSWER-Ability to interbreed
What does molecular biology contribute to the classification of organisms? -
ANSWER-It allows the comparison of genes between organisms
The biological species concept fails to recognize species of __________. -
ANSWER-Bacteria
Two organisms of different species mate and produce offspring. This offspring
cannot mate with its siblings or with members of either parental species. This is an
example of __________. - ANSWER-Hybrid infertility
Which of the following contributes to classification? - ANSWER-All of the listed
responses are correct
The biological species concept applies only to breeding populations __________. -
ANSWER-in nature
