1. Which is a more definite characteristic to show relatedness of two organisms? A. Similarity in development B. Similarity in courting behavior 2. Why do organisms with close biochemical similarities show stronger evolutionary relationships? A. They have varied and different ancestry. B. They have a common ancestor and have the same kind of proteins. C. They possess same vestigial structure that made their evolutionary. D. They have similar patterns during their early stages of development. C. Similarity in structure D. Similarity in genomic DNA

1. Which is a more definite characteristic to show relatedness of two organisms? A. Similarity in development B. Similarity in courting behavior 2. Why do organisms with close biochemical similarities show stronger evolutionary relationships? A. They have varied and different ancestry. B. They have a common ancestor and have the same kind of proteins. C. They possess same vestigial structure that made their evolutionary. D. They have similar patterns during their early stages of development. C. Similarity in structure D. Similarity in genomic DNA

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter23: Paleobiology And Macroevolution

Section: Chapter Questions

Problem 7TYK: Exaptations are traits that: a. prepare some organisms for future environmental changes. b. appear...

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4. Why is the Hardy Weinberg law of equilibrium important to a study of evolutionary processes? a. it tells us how heavy are mammals and if they may have lived in cold enviroments in the past. b. It shows us to measure change in gene frequency in population to see if selection pressures are affecting gene expression. c.It allows us to study how eplgenetics affects specific traits d. It allow us to measure the age of fossils and date the origin of a species
6. It according to evolutionists, which is the best test to show the relatedness of two organisms? * a. Similarity in development b. Similarity in courting behavior c. Similarity in structure d. Similarity in Genomic DNA
1) Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches? A) The finches evolved traits to help them survive in different environments. B) The finches had different traits that influenced the environment in which they chose to live. C) Genetic variation occurred amongst the finches, giving some a genetic advantage in a changing environment, allowing them to better survive. D) Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed. Not graded
1) Darwin's studies of Galapagos finches are well known in the study of evolution. These studies have been instrumental in helping us understand how new species evolved from pre-existing species. Which statement is true about the speciation of the Galapagos finches? A) The finches evolved traits to help them survive in different environments. B) The finches had different traits that influenced the environment in which they chose to live. C) Genetic variation occurred amongst the finches, giving some a genetic advantage in a changing environment, allowing them to better survive. D) Members of the original population evolved in such a way that it became impossible for individuals from the two new populations to interbreed.
2. Identify an ancestral trait and a derived trait in mammals. Explain your answer.
1.A) Adaptations to a Changing Environment• Explain why it is necessary for organisms to have the ability to adapt.• Why is the current environment making it difficult for organisms to adapt?• Explain how organisms develop adaptations.2. B) Artificial Selection• Explain how artificial selection is like natural selection.• Why are quail useful subjects for an experiment on selection? What other organisms share similar characteristics?
1.Chimpanzees and humans appear very much alike because of? * a. common adaptations to similar environmental conditions evolved in both b. They shared common traits c. They shared analogous traits d. Genetically shared 50% of their genes. 2. Circle the letter of each sentence that is true about evolutionary relationship of organisms? * a. DNA evidence shows that the giant pandas are more closely related to raccoons than bears. b. Scientist infer that the species with similar body structure and development patterns inherited many of the same genes from acommon ancestor.a c. Scientist never have to change their hypotheses about species relationships. d. Scientist can compare protein structure to determine how closely two species are related .
What does “descent with modification” mean?a. Populations that change quickly are likely to become extinct.b. Inherited traits change from generation to generation.c. Tracing an evolutionary tree from top to bottom reveals changes inspecies diversity.d. Parents change their own features before passing them on to offspring.
How does the amount of Neanderthal DNA in modern humans vary geographically? a. Individuals of European descent have the most Neanderthal DNA. b. The amount of Neanderthal DNA in modern humans is consistent across all populations. c. Individuals of African descent have the most Neanderthal DNA. d. Individuals of East Asian descent have the most Neanderthal DNA.
6) The lens of the vertebrate eye develops only after the head ectoderm comes in contact with the optic cup. This is an example of A) Determination B) Differentiation C) Pattern formation D) Induction 5) The evolutionary process most likely to account for the fixation of neutral or even non-adaptive genes or gene combinations in small populations is called A) Darwinian selection B) Recombination C) Mutation D) Genetic drift
6.)Why is the human skull bigger than a monkey’s a.)To adapt to changing climate b.)To protect a large brain c.)To be bipedal in walking d.)To be proportionate in height 7.)How does natural selection improve the characteristics and variety of organisms? a.)propagation of organism is limited because of the limited number of organism that allow to reproduce. b.)constant practice of Manny Pacquiao deteriorates the muscle development c.)regular copying of seatmate’s answers during test improves thinking skills. d.)regular reading habits improves reading skills and comprehension. 8.) Which of the following explains how evolution helps the maintenance and continuity of life? Because species__. a.) competition to each other improves the number of population. b.) adaptations to environment loss their body structure. c.) survival of the fittest is practice. d.) natural selection shapes organisms to fit in their environment. 9.) Who is the “ Father of Genetics? a.) Gregor Mendel b.)…
4.)What definite characteristics shows relatedness of birds beak in terms of evolution and extinction? a.)the size of the beak changes due to the climate of a particular area. b.)the size of the beak changes due to their behaviour. c.)the size of the beak changes due to the availability of food in the environment. d.)the size of the beak remains the same 5.)Why do organisms with close biochemical similarities show stronger evolutionary relationship? a.)They have similar pattern during their early stage of development. b.)They possess same vestigial structure that made their evolutionary relationship closer. c.)They have varied and different ancestry. d.)They have a common ancestor and have the same kind of protein.