BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 13, Problem 8MCQ
Summary Introduction
Introduction:
Homeotic genes can be defined as the specific types of genes that regulate the development of various types of anatomical structures in several different organisms.
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Which of the following statements is BEST supported by the phylogenetic tree?
A
The development of a bony skeleton was a significant evolutionary step for ocean-dwelling animals.
B
Most warm-blooded animals evolved to have hair, while cold-blooded animals did not.
C
Most land animals require a vertebral column, while ocean animals do not.
D
The evolution of the amniotic egg was specific to ocean-dwelling animals.
The bones in the front fins of whales and the bones in the human arm evolved from a common ancestor but carry out different functions. This is an example of
A. homologous structures.
B. vestigial structures.
C. analogous structures.
D. embryonic structures.
Both octopuses and cuttlefish have a single-lens eye. Their common ancestor also had a single-lens eye. What word describes the relationship between the octopus eye and the cuttlefish eye? a. homologous c. analogous b. vestigial d. convergent
Chapter 13 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 13.1 - What is the geologic timescale?Ch. 13.1 - What types of information provide the clues that...Ch. 13.2 - Why is the fossil record useful, even if it doesnt...Ch. 13.2 - Distinguish between relative and absolute dating...Ch. 13.2 - How does radiometric dating work?Ch. 13.3 - Prob. 1MCCh. 13.3 - Prob. 2MCCh. 13.4 - Prob. 1MCCh. 13.4 - Prob. 2MCCh. 13.4 - Prob. 3MC
Ch. 13.5 - How does the study of embryonic development reveal...Ch. 13.5 - Prob. 2MCCh. 13.6 - How does analysis of DNA and proteins support...Ch. 13.6 - Prob. 2MCCh. 13 - Why is the fossil record incomplete? a. Because...Ch. 13 - Prob. 2MCQCh. 13 - Prob. 3MCQCh. 13 - The study of biogeography is most concerned with...Ch. 13 - Octopuses and cuttlefish are mollusks that have a...Ch. 13 - Ground beetles have useless hindwings. In related...Ch. 13 - Scorpions occupy every continent except...Ch. 13 - Prob. 8MCQCh. 13 - Prob. 9MCQCh. 13 - Which of the following would be most useful for...Ch. 13 - Prob. 1WIOCh. 13 - Prob. 2WIOCh. 13 - Why are transitional fossils especially useful for...Ch. 13 - Prob. 4WIOCh. 13 - Index fossils represent organisms that were...Ch. 13 - Prob. 6WIOCh. 13 - Prob. 7WIOCh. 13 - How did the discovery of Wallaces line demonstrate...Ch. 13 - Why is it important for evolutionary biologists to...Ch. 13 - Suppose that plants in the San Francisco Bay area...Ch. 13 - Many species look similar as embryos. What causes...Ch. 13 - Give examples of how the field of evolutionary...Ch. 13 - Prob. 13WIOCh. 13 - Prob. 14WIOCh. 13 - Prob. 15WIOCh. 13 - Prob. 16WIOCh. 13 - Genetic anthropology combines the study of DNA...Ch. 13 - Review Burning Question 13.13, which explains why...Ch. 13 - Review the Survey the Landscape figure in the...Ch. 13 - Write a phrase to connect fossils and biogeography...Ch. 13 - Add the following terms to this concept map:...Ch. 13 - Provide an example of ach line of evidence for...
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- The wing of a bird and the arm of a human are examples of ______. a. vestigial structures b. molecular structures c. homologous structures d. analogous structuresarrow_forwardResearchers have found fossils of Eocene horse species in Colorado. Deeper deposits contain smaller species, and more recent deposits contain larger species. How does this observation support the theory of evolution? A. It provides evidence that species change over time. B. It does not support the theory of evolution. C. It shows that all species are related to each other. D. It proves that environments have changed over time. E. It suggests that species are unchanging and of recent origin.arrow_forwardWhich statement portrays the concept of ontogeny in phylogenetics? option a.) scientist gathers physiological traits and genetic data about a group of endemic monkeys. option b.) Both chick and human embryos go through a stage where they have slits and arches in their necks that are identical to the gill slits and arches of fish. option c.) The progression of morphological forms observed in fossil record is consistent with inferences about the major branches of descent in the tree of life. option d.) Crocodiles have amniotic eggs while rodents and rabbits don't have.arrow_forward
- Fossils that serve as transitional links allow scientists toa. determine how prehistoric animals interacted with each other.b. deduce the order in which various groups of animals arose.c. relate climate change to evolutionary trends.d. determine why evolutionary changes occur.arrow_forwarda. What did Darwin's travels reveal to him about the number and variety of living species? b. How did tortoises and birds differ among the islands of the Galapagos? c. What is evolution? Why is referred to as a theory? d. Darwin found fossils of many organisms that were different from any living species. How would this finding has affecting his understanding of lifes diversity?arrow_forwardFrom the early 1700s to the modern day, how did various lines of evidence clarify and improve scientists' understanding about the ancestry of cetaceans? A. Anatomyarrow_forward
- Which of the following statements is NOT true regarding segmentation? a. Segmentation allows the evolution of redundant systems. b. Segmentation is a requirement for a closed circulatory system. c. Segmentation enhances locomotion. d. Segmentation represents an example of convergent evolutionarrow_forwardWhich of the following is an accurate point that supports the idea that the earliest protocells relied first on RNA (not DNA) as inherited information? A. RNA is composed of lipids, and lipids were present on early Earth before the nucleotides that compose DNA were B. RNA is a monomer (unlike DNA), so it is simpler and more likely to have been used by these simple protocells C. DNA would have been too large to fit into the small protocells, but RNA was small enough to fit D. RNA can serve dual roles as both genetic information storage and an enzyme (but DNA cannot do both) ..arrow_forwardWhich of these steps probably occurred first in the chemical andbiological evolution of life?a. The cell membrane of a protobiont formed.b. The first organic molecules formed.c. The original genetic material was RNA.d. Simple organic monomers formed from inorganic materials.arrow_forward
- Which of the following statements about evolution is false?a. Gene mutations alone amount to evolution. b. Genetic drift and gene flow are modern theories of evolution.c. Natural selection contributes to evolution.d. Chimpanzees evolved from a hominoid ancestor.arrow_forwardOne hypothesis for the Cambrian explosion was an increase in predator-prey relationships. It is thought that the resulting co-evolution of predator and prey may have been a factor in the rapid speciation of animals seen during this time. What findings in the fossil record would most support this? Group of answer choices a. increased incidence of larger-bodied animals b. increased incidence of sessile animals c. decreased incidence of animals with bilateral symmetry d. increased incidence of animals with radial symmetry e. increased incidence of shells, bony plates, spines, and/or clawsarrow_forwardImagine that some lizards from both islands are brought to a laboratory and lizards from each population are separately bred for a generation. The offspring resemble their parents (i.e. they look like lizards from their home island). Does this support or contradict the idea that evolution has occurred? Group of answer choices a. support because it implies that a genetic change has occurred b. contradict because the lizards were removed from the islands c. support because the phenotype matches the environment d. contradict because the environment is different in the lab e. support because it is a major change in phenotypearrow_forward
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