Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305544703
Author: STARR
Publisher: Cengage
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Chapter 16, Problem 11SQ
Summary Introduction
To match: Each term with their suitable description.
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Match the terms with the most suitable description. ____ lineage a. measured in terms of ____ half-life reproductive success ____ fossils b. geologic change occurs ____ natural selection continuously ____ fitness c. geologic change occurs ____ uniformitarianism in unusual major events ____ catastrophism d. evidence of life in the distant past e. survival of the fittest f. characteristic of a radioisotope g. a line of descent
which term describes any ancient remains, impressions, or traces of an organism or traces of its activity that have been preserved in rocks or other mineral deposits in Earth’s crust?
a.
analogous feature
b.
homologous feature
c.
mutation
d.
fossil
One type of fish fossil is found only in a rock layer near the bottom of a canyon, while a different kind of fish fossil is found only in a rock layer 4,000 feet higher, near the top of the canyon. Which statement would a scientist most likely offer to explain this situation?
A.) The fish in the lower layer lived in the deep sea. While the other fish lived in shallow water.
B.) The fish in the upper layer lived a healthier life than the other fish.
C.) The rock in the lower layer is denser than the rock in the upper layer
D.) The rock in the upper layer must have formed in freshwater
E.) The fish in the upper layer lived more recently than the other fish.
The Geologic Time Scale is a systematic chronological dating process that relates geological strata to time. This methodology is commonly used be geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that once occurred in history. Which of the following statements can be…
Chapter 16 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 16 - The number of species on an island depends on the...Ch. 16 - Prob. 2SQCh. 16 - Prob. 3SQCh. 16 - A trait is adaptive if it ______. a. arises by...Ch. 16 - Prob. 5SQCh. 16 - Discovery of Iridium in the K-Pg Boundary Sequence...Ch. 16 - Prob. 2DAACh. 16 - Which of the following is a fossil? a. an insect...Ch. 16 - If the half-life of a radioisotope is 20,000...Ch. 16 - Prob. 8SQ
Ch. 16 - The dinosaurs died out ______ million years ago.Ch. 16 - On the geologic time scale, life originated in the...Ch. 16 - Prob. 11SQCh. 16 - Forces that cause geologic change include ___...Ch. 16 - Radiometric dating does not measure the age of an...Ch. 16 - If you think of geologic time spans as minutes,...
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- Why are alternative scientific theories to evolution not taught in public school? a. more theories would confuse students b. there are no viable scientific alternatives c. it is against the law d. alternative scientific theories are suppressed by the science establishmentarrow_forwardDON'T EXPLAIN, JUST GIVE THE ANSWER According to Charles Darwin, organic evolution is "descent with modification," which simply means Select one: A. inherited variations decline as reproductive potential is modified. B. characteristics acquired during the lifetime of an individual are passed on to all descendants of the individual. C. the fittest always impose change on the less fit. D. populations change over time.arrow_forwardEnergy, the absence of molecular oxygen, chemical building blocks, and time were the requirements for (a) chemical evolution (b) biological evolution (c) the Cambrian radiation (d) the mass extinction episode at the end of the Cretaceous period (e) directed evolutionarrow_forward
- What factor results evolution of a species? A) Genetic Drift B) Gene Flow C) Natural Selectionarrow_forwardThe fossil record shows that in just the last 600 million years, there have been five instances of sharp decreases in the diversity and abundance of living organisms. what are these events? a. droughts b. mass extinctions c. reversals of the earth's magnetic field d. great migrationarrow_forwardWhich provides evidence for evolution (select the best possible answer out of all obtiene A. Fossils and vestigial structures b. Natural selection c. Fossils, biochemical, embroys, vestigial structures d. Shared dna, ánimo acids, and other molecular structure across all life on earth e. Homologous structuresarrow_forward
- Evolution that results because certain genotypes have a higher reproductive success is based on a. genetic variation. c. genetic drift. b. natural selection. d. both a and b.arrow_forwardAn octopus and an owl both have large eyes with similar structures. If their most recent common ancestor lacked eyes what is the reason for the similarity? Group of answer choices a. genetic drift b. convergent evolution c. mutation d. homology e. gene flowarrow_forwardIn 1983, a team of scientists discovered a fossilized bone of a giant bird when excavating land in Brazil. After studying the fossil, the team thought that the bird was unique to South America but had been extinct for millions of years. Many years later, another fossil from the same giant bird was found in Nigeria. The two fossils were formed in rock that was very similar to one another. Look at the land masses on the map. What can the scientists conclude? a The land masses were once connected. b These were two different types of giant birds, even if their fossils look identical. c The fossils date to different time periods and appear in separate regions. d The giant bird migrated to South America, because the bones were later found in Nigeria.arrow_forward
- Which of the following statements about the fossil record is true? a. The fossil record is a complete accounting of life on earth b. The fossil record is unbiased in the fossils that are found c. The fossil record is evenly sampled across all of life's history on earth d. There are certain biases in the fossil recordarrow_forwardQuestion 1: Mass extinction ocurred on the following time and era except for: A. Mesozoic B. Precambrian C. Paleozoic D. Cenozoic E. All of the answers are correct Question 2: Why would Precambrian Time did not have a lot of fossils? A. fossils were destroyed by extreme heat and pressure. B. soft bodied animals do not leave a lot of fossils. C. majority of the fossils during Precambrian time underwent chemical transformation D. paleontologists haven’t recovered much of the remains of ancient organisms. Question 3: Transgenic organisms have also been developed for commercial purposes most importantly in the agricultural sector. Perhaps the most famous examples are food crops like soy and corn that are now highly resistant to various types of pests. These transgenic organisms are commonly produced by: A. addition, deletion of modification of genes B. gene sequences and programming C. inducing genetic mutations D. genetic transformation by bacteria E. identifying chromosomal…arrow_forwardMutation (a) leads to adaptive evolutionary change (b) adds to the genetic variation of a population (c) is the result of genetic drift (d) almost always benefits the organism (e) a and barrow_forward
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