Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
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Chapter 15, Problem 1FTB
The flipper of a seal is homologous with the _______ of a bird, and both of these are homologous with the _________ of a human. The wing of a bird and the wing of a butterfly are described as __________ structures that arose as a result of _________ evolution. Remnants of structures in animals that have no use for them, such as the small hind leg bones of whales, are described as _________ structures.
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Chapter 15 Solutions
Biology: Life on Earth (11th Edition)
Ch. 15 - 1. Whale skeletons contain nonfunctional pelvic...Ch. 15 - 2. Darwin was influenced by Malthus's thinking...Ch. 15 - Prob. 3MCCh. 15 - Which of the following is NOT required for...Ch. 15 - 5. Which of the following is NOT evidence of...Ch. 15 - The flipper of a seal is homologous with the...Ch. 15 - The finding that all organisms share the same...Ch. 15 - Georges Cuvier espoused a concept called _______...Ch. 15 - 4. The process by which inherited characteristics...Ch. 15 - The process by which individuals with traits that...
Ch. 15 - Darwin's postulate 2 states that __________. The...Ch. 15 - Natural selection acts on individuals, but only...Ch. 15 - 2. Distinguish between catastrophism and...Ch. 15 - 3. Describe Lamarck’s theory of inheritance of...Ch. 15 - 4. What is natural selection? Describe how natural...Ch. 15 - 5. Describe how evolution occurs. In your...Ch. 15 - What is convergent evolution? Give an example.Ch. 15 - How do biochemistry and molecular genetics...Ch. 15 - Prob. 8RQCh. 15 - 1. In discussions of untapped human potential, it...Ch. 15 - 2. Does evolution through natural selection...
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- Derived characters are traits that characterize the last common ancestor that a particular collection of species share. evolved after the last common ancestor that a particular collection of species share. are less suited to the environment than ancestral characters. are more complicated than ancestral characters.arrow_forwardWhich of the following are homologous structures? Select all that apply. a skeleton of a shark and skeleton of a dolphin b wings of a butterfly and wings of a bat c wings of a butterfly and wings of a dragonfly d forelimbs of humans and bats e leaves of a Venus flytrap and leaves of a poinsettiaarrow_forwardRead the article on the bat's wings (link below). The author seems to disagree that evolution is involved in the bat wing's development. Do you agree or disagree? Why?https://www.icr.org/article/how-bat-get-its-wings/arrow_forward
- Which of the following is not a change that occurred through primate evolution? a size of teeth b change in DNA c location of spinal cord entering skull d size of brainarrow_forwardFrom this lab, one might conclude that certain trends can be detected, trends from ancestral features (those that arose early in the evolution of animals) to more derived traits (those that arose later). However, animals with ancestral characteristics still successfully exist on Earth today. Why is this so? Why have the animals with derived traits not completely replaced the ones with ancestral traits? Use examples from the lab to illustrate your answer. examples cephalochordata jawless fishes jawed fishes tetrapods ratarrow_forwardDraw the phylogenetic tree, label all of the living things and the traits that characterize them directly on the tree. Living thing Vertebrae Bony Skeleton 4 Limbs Amniotic Egg Hair 2 post-orbital fenestrae Amphibians + + + - - - Crocodiles + + + + - + Dinosaurs + + + + - + Primates + + + + + - Rays + + - - - - Rodents + + + + + - Sharks + - - - - -arrow_forward
- A principle of biology is that all species (past and present) arerelated by an evolutionary history. Are birds living dinosaurs?arrow_forwardHuman embryos have tails which become tail bones before birth. Tails also appear in fish, reptiles, amphibians, birds, and mammals Humans also have hair and produce milk to nourish the young, which is unique to mammals. What does this indicate? a close evolutionary connection between humans and many other mammals a very distant evolutionary connection between humans and many other mammals a very distant evolutionary connection between humans and many other reptiles a close evolutionary connection between humans and many other reptilesarrow_forwardWhich of the following does not represent a shared derived homologous trait, in other words, which IS an example of an analogous trait? Group of answer choices bony vertebrae of rabbits and monkeys five digits on the end of the limbs of a whale and human wings of both a bird and insect forward facing eyes in chimpanzees and humansarrow_forward
- Explain the difference between generalized and specialized characteristics. What are examples of each in terms of the adaptive potential? Define the term “adaptive radiation” and explain why it is important to the principle of evolution. Why was adaptive radiation especially important to mammals’ eventual rapid evolutionary success and diversification? What are some of the different groups of mammals?arrow_forwardTransitional species are species important in helping scientists determine the evolutionary path that species have taken over long periods of time. Lobe-finned fishes are the ancestors of amphibians and have fossils that are found in rocks that are at least 380 million years old. Fossils of the oldest amphibian-like vertebrate animals with true legs and lungs are found in rocks that are approximately 363 million years old. Paleontologists have found a sample of rock that is approximately 370 million years old which contains what seems to be a link between lobe-finned fishes and amphibians. Which of the following is a characteristic that you would not expect to see in this transitional fossil? Question options: Skeletal structures that indicate the development of legs. An intermediate structure between lungs and gills. Teeth that are intermediate to the lobe-finned fishes and amphibians. A neck that is more flexible than lobe-finned fishes.arrow_forwardThe images below exhibit Y-5 molars. The left comes from a chimpanzee and the other is a zoomed-in image of Y-5 molars in a human. Why do these primates share the trait for Y-5 molars? Mark the best answer. Group of answer choices Unclear, cannot determine from the information given. Both inherited this trait from their common ancestor, which also had Y-5 molars. Convergent evolution, since both separately evolved Y-5 molars to adapt to dietary pressures. Random mutations, since having Y-5 molars is abnormal in these species of primate.arrow_forward
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