B.Fossilsc) Ancestral structuresHomologous structures2. The process by which individuals that are better adapted to their environto survive and reproduce than other members of the same species is callA Natural selectionB.EvolutionC CompetitionD.Over production3. Which of the following is the best example of an adaptation that helps orgtheir environment?A green coloring in lizerds living on gray rocks

Evolution can be described as an ecological process during which heritable traits are changed within…

Fossils Ancestral structures Homologous structures 2. The process by which individuals that are better adapted to their envir to survive and reproduce than other members of the same species is c A Natural selection Evolution © Competition Over production 3. Which of the following is the best example of an adaptation that helps c their environment? A green coloring in lizerds living on gray rocks

Fossils Ancestral structures Homologous structures 2. The process by which individuals that are better adapted to their envir to survive and reproduce than other members of the same species is c A Natural selection Evolution © Competition Over production 3. Which of the following is the best example of an adaptation that helps c their environment? A green coloring in lizerds living on gray rocks

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter17: Processes Of Evolution

Section: Chapter Questions

Problem 11SA

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Two species of fish had recently undergone sympatric speciation. The males of each species had a different coloring through which females could identify and choose a partner from her own species. After some time, pollution made the lake so cloudy it was hard for females to distinguish colors. What might take place in this situation?
With regard to biological evolution, which of the following statements is incorrect? Explain why.A. During its lifetime, an animal evolves to become better adaptedto its environment.B. The process of biological evolution has produced species thatare better adapted to their environments.C. When an animal is better adapted to its environment, the process of natural selection makes it more likely that the animalwill reproduce.
The theory of evolution is most accurately described as Group of answer choices A. Nn opinion that some scientists hold about how life originated on Earth. B. An overarching explanation, supported by much evidence, for how populations change over time and new species arise from ancestral species. C. One possible explanation, among several scientific alternatives, about how species have come into existence. D. An educated guess about how species originate. E. An idea about how acquired characteristics are passed on to subsequent generations.
The three beetle species live in the same ecosystem, and they likely evolved from the ancestral species that colonized the region. Which statement best explains how descent with modification influenced speciation in these beetles? A. The ancestral species carried neutral gene mutations that spontaneously caused speciation when they colonized the region. B. The ancestral species randomly diverged into three species before colonization and then colonized the regions that best suited their new adaptations. C. After colonization, small groups separated from the rest of the ancestral species and developed different adaptations that helped them survive and reproduce. D. After colonization, the large group interbred until they developed enough neutral genetic mutations for speciation to occur.
Evolutionary change caused by natural selection results in species witha. greater complexity.b. less complexity.c. greater reproductive success in their native environment.d. the ability to survive longer.
For natural selection to occur, there must be competition for resources, competition for survival, or 15) different reproductive success. Why is this so? A) Without competition, there is no pressure to mutate.B) The struggle of competition makes individuals stronger.C) Natural selection acts on the different abilities of individuals to survive and pass on their genes to the next generation.D) Populations evolve to preserve the species and don't change unless they must. Then explain why the answer is correct and why the others one are inccorect.
Match the descriptions/examples types of evidence that support evolution. 1.Biogeography 2.Comparative Embryology 3.Comparative Anatomy 4.Molecular Biology A.Organisms in New Zealand are more similar to organisms in Australia than they are to organisms in North America . B.The embryos of many species have gill pouches even though the gill pouches are not used in these species . C.The forelimbs of the human ,cat ,whale and bat have many similar bones despite the fact that the forelimbs have different functions . D.The Human genome is 98% identical to the Chimpanzee genome .
Why was Jean Baptiste Lamarck wrong about the mechanism of evolution? A. Because giraffes haven't evolved in billions of years. B. Because individuals do not pass on any traits that they acquire during their lifetime. C. Because individuals can change their traits during their lifetime and pass on those traits to their offpsring. D. Because he misunderstood the structure of DNA.
If you go back 40 generations into your biologicalancestry:a. How many ancestors are you predicted to have?b. How could you reconcile that prediction with thefact that the world’s population of humans is nowroughly 7 billion people?
Humans are able to cause organisms to evolve through whichmechanism?a. artificial selectionb. natural selectionc. fitnessd. paleontologye. uniformitarianism
On a phylogenetic tree, the length of branches is a.) The comparison of homologous DNA and RNA sequences provided by Woese. b.) The separation of living organisms into three domains c.) The point in evolution when, based on scientific evidence, an ancestor is thought to have diverged to form two new species. d.) Proportional to the time elapsed since the split.
The Galapagos archipelago consists of volcanic islands that formed within the last 5 million years. Darwin wrote of the finches on these islands, "...from an original paucity of birds in this archipelago, one species has been taken and modified for different ends." The Galapagos finches are an example of adaptive radiation driven by a. behavioural innovation. b. morphological innovation. c. ecological opportunity. d. physiological innovation.