WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
5th Edition
ISBN: 9781319272531
Author: PHELAN
Publisher: MAC HIGHER
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Chapter 10, Problem 8MC
Summary Introduction
Introduction:
Natural selection can apply for complex traits as long as they are heritable.
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Students have asked these similar questions
Goswami disagrees with the Darwinian concept of canalized behavior. What are his main criticisms of the
inheritance of acquired characteristics? (Select all that apply)
Choose at least
one answer.
L
a. The Darwinian evolutionary process is very fast and can manifest in a few
generations.
b. The availability of prolonged environmental stress to produce canalization over an
entire species population is unlikely.
c. There is no evidence that learned behavior is passed down to descendants.
Which of the following is false?
a.
The color of a fruit fly's eyes is a trait.
b.
The instructions for producing a trait are found in a gene that controls the physical expression of that trait.
c.
A gene can have different alleles that can specify different traits, such as red or brown eye color.
d.
The trait is influenced by the gene, independent of the environment.
e.
By studying the patterns of traits over generations of an organism, the genetic composition of an organism can be deduced.
In the movie on rock pocket mice, what did the team discover about black colouration?
Select the ONE BEST answer.
a. Fur colouration is the result of a new adaptive behaviour where pocket mice rolled
in lava dust to camouflage themselves.
b. It is the result of the same, single mutation in all populations.
C. Different mutations cause similar dark colouration in different populations.
d. One specific mutation causes black or white fur depending on the population.
e.
Fur colouration is the result of dietary changes in different environments, not
natural selection.
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WHAT IS LIFE? GDE.TO BIOLOGY W/PHYSIO.
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following is the MOST important characteristic of a trait for it to undergo descent with modification? A. It must be heritable. B. It must exhibit variation. C. It must exhibit phenotypic plasticity. D. Variation in the trait must be accompanied by variation in fitness.arrow_forwardWhich of the following is true about evolutionary psychology? a. Natural selection works differently in humans than other animals. b. It is easy to test evolutionary hypotheses by doing experiments. c.Most social behaviors are genetically determined with little influence by the social environment. d. Evolutionary approaches can generate novel hypotheses about social behavior that can then be tested with experiments.arrow_forwardWhich of the following is the best description of sexual selection? a. Sexual selection is the differential reproductive success due to variation in acquiring immunity from mates. b. Sexual selection is the differential reproductive success due to variation in survival from social selection. c. Sexual selection is the differential reproductive success due to variation in acquiring mates or mating success. d. Sexual selection is the differential survival success due to variation in avoiding mates or mating success.arrow_forward
- evolutionary trade of is when a trait is at an advantage in a context a) explain how the evolution of the different shades of color is an example b) what evidence can you use to support this ideaarrow_forwardWhich of the following is an example of stabilizing selection?a. Over time, Equus developed strength, intelligence, speed,and durable grinding teeth.b. British land snails mainly have two different phenotypes.c. Swiss starlings usually lay four or five eggs, therebyincreasing their chances of more offspring.d. Drug resistance increases with each generation; theresistant bacteria survive, and the nonresistant bacteriaget killed off.e. All of these are correctarrow_forwardIna population of birds, the average beak size is selected against and the largeand small sized beaks are selected for. This is an example of:a.directional selection.b.disruptive selection.c.stabilizing selection.d.natural selection.e.balanced polymorphism.arrow_forward
- You are studying a species of beetle known as a Flumbodoodle Beetle. The beetle has long spikes on its shell to defend itself from potential predators. You are interested in studying evolution in this beetle. Which of the following studies do you not need to conduct to determine if the long spike trait can evolve by natural selection. a. A study that determines whether beetles with longer spikes survive and reproduce better than beetles with shorter spikes. b. A study that measures the spike length variation across multiple individuals in a population. c. A study where you measure the spike length on the parents and a study where you measure the spike length on the offspring. d. A study that determines whether these spikes on the beetle are also used in mate choice contexts.arrow_forwardDefine natural selection using the 5 points below to explain its role in understanding primate behavior. (1) there is variation among individuals; (2) some of that variation is heritable; (3) there is always competition between individuals for resources; (4) some variants outcompete other variants and leave more offspring; (5) to the extent that the parent's traits are heritable, then a larger portion of the next generation will reflect those traits.arrow_forwardClarify the difference between claiming that, a) some behaviours are genetically determined, versus b) some differences among individuals in behavioural phenotype are genetically determined. Are both claims valid in some circumstances? Use any suitable example you know about to justify your answer.arrow_forward
- Jean-Baptiste Lamarck (1744-1829), a French scientist who believed in evolution, is known for Lamarckism, or inheritance through acquired characteristics. He argued that environmental influences could put pressure on animals, making them use some characteristics more and some less, and that the changes acquired by the parents would be passed to the next generations. A common example of this theory is that giraffes could actually grow longer necks by straining to get to higher and higher branches for food, and that the offspring of these longer- necked giraffes would have longer necks at birth. We will get to epigenetics later in the class, and realize that Lamarck wasn't all wrong. But he was mistaken about giraffes! Your responses will help you understand why... (France page 7) a. Is this argument at the level of a hypothesis, or is it a theory? Why? b. How would you set up an experiment to test Lamarck's beliefs? c. What would be your dependent variable? d. What would be your…arrow_forwardWhat is neutral evolution? A. Neutral evolution does not exist. B. When certain genes are present or absent in populations due to natural selection (they are advantageous or disadvantageous). C. When certain genes are present or absent in populations regardless of selection (they are not advantageous or disadvantageous). D. When certain genes are present or absent in populations due to sexual selection (they are selected for by the opposite sex).arrow_forwardBackground: In class we did a project about m and m’s and there ability to evolve and natural selection. (Yes I know they can’t actually evolve it was just used as a example in class) however I can’t figure out this question. Occasionally a mutant may occur and produce a candy that is misshapen or Pointier or flatter than the rest. Often this proves to be a weakness, but a rare mutation may confer extra M&M durability. Other mutations in M&Ms could occur ( like ones that result in a new color). A mutant un you population represents a new _________. What goes in the blankarrow_forward
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