Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 13, Problem 4LTB
Summary Introduction
Introduction:
Reproductive isolation can be defined as when the environment may carry out an outside barrier to the reproduction, such as a mountain range or river. Pre-fertilization reproductive barriers disturb the jasmine crosses. Reproductive barriers are commonly divided into pre and post-fertilization barriers depending on whether fertilization happens normally.
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Which of the following is a pre - zygotic barrier that can cause reproductive isolation ? Two fish who breed at different times of the year .
The fetus of the hybrid of two fish species cannot survive long enough to emerge from the egg .
The hybrid offspring of two fish species cannot reproduce
Describe an example of each of the following:
a pre-zygotic barrier to reproduction
a post-zygotic barrier to reproduction
Chapter 13 Solutions
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Ch. 13 - Define biological species.Ch. 13 - Prob. 2LTBCh. 13 - Prob. 3LTBCh. 13 - Prob. 4LTBCh. 13 - Prob. 5LTBCh. 13 - Prob. 6LTBCh. 13 - The biological definition of race corresponds to...Ch. 13 - All of the following statements support the...Ch. 13 - Similarity in skin color among different human...Ch. 13 - Prob. 10LTB
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- All of the following are requirements for successful external fertilization except for one. Which one is not a requirement? A moist environment. Large, energy-rich gametes. Synchronization of gamete release. Lock and key recognition between gametes of the same species.arrow_forwardWhich of the following is not an example of a postzygotic barrier between different species? The hybrids created by interspecies crosses are usually infertile Separate species typically do not mate since they have different mating displays Often times the embryo created through an interspecies cross fails to develop and dies The hybrids created through interspecies crosses are generally very unhealthyarrow_forwardOf the following, which is an example of a postzygotic barrier? O Due to incompatible interactions between inherited genes, a hybrid fetus is unable to develop, and is aborted. O One species mates in spring, while another mates in summer. O A female spider of one species does not respond to the mating display of a male of a closely related species. O Cell surface proteins of one species eggs prevent sperm from another species attaching, so the sperm cannot fertilize it.arrow_forward
- Which of the following is an advantage of asexual reproduction? (choose all correct answers) decreased potential for adaptation because of genetically uniform populations reproduce without a mate increased genetic diversity offspring have optimal genetics for current environment produce many offspring quicklyarrow_forwardTermites are a diploid eusocial species in which a colony's queen and king produce both sons and daughters through sexual reproduction. What evolutionary reasons may explain why workers forgo reproduction unless the king or queen dies? O Workers have a higher direct fitness than kings and queens. Workers that leave the home colony are unlikely to establish a new colony. O Workers increase their indirect fitness by contributing to the survival of their siblings. O Workers are more closely related to their siblings than they are to their own offspring.arrow_forwardMultiple choice:which of the following are disadvantages of sexual reproduction? Requires more timeRequires more energy to be expended during courtship Favorable gene combo are broken up Allows for the removal of bad genetic combinationsarrow_forward
- The idea that asexually reproducing populations might acquire and maintain (and not "breed out") harmful genes is summed up in which? Group of answer choices that meiosis reduces the chromosome number in half "adverse parental genome applicational theory" the lock & key hypothesis of random fertilization "Mutational Reducto Theory" Muller's Ratchet theoryarrow_forwardOffspring that result from sexual reproduction are genetically different from their parents and from one another because of independent assortment of chromosomes, crossing over and random fertilization. Select one: True Falsearrow_forwardWhich of the following set of characteristics would best described a K-selected species (e.g. an elephant)? early reproduction with many, small offspring and short-lived early reproduction with few, large offspring and short-lived late reproduction with few, large offspring and long-lived O late reproduction with many, small offspring and long-livedarrow_forward
- Select the correct phrases: (Prezygotic barriers / Postzygotic barriers) are reproductive isolating mechanisms that occur after a zygote has been formed. An example would be (an infertile hybrid / gametes that cannot fuse).arrow_forwardotamopyrgus antipodarum is a species of freshwater snail that has spread far beyond its native New Zealand. Some populations of these tiny snails reproduce sexually, and other populations reproduce asexually. Huge asexual populations are now disrupting ecosystems all over the world, particularly where the water is contaminated with phosphorus. Fertilizers and detergents contain phosphorus, so agricultural runoff and other forms of water pollution are common in these regions. Like most animals that cannot reproduce sexually, the asexual snails have at least three sets of chromosomes; like most sexual organisms, the sexual snails have two. Explain why sexually reproducing snail populations predominate in regions where the water is unpolluted.arrow_forwardGlobal warming is an issue affecting many species around the world. Warming has caused the temperatures in lakes and rivers to increase and stay elevated for longer periods of time. Select the FOUR numbers that describe the possible effects of global warming on the reproduction of rainbow trout in the wild and on biodiversity. The extra set of chromosomes remains. The extra set of chromosomes is removed. The offspring are diploid (2n). The offspring are triploid (3n). The offspring cannot reproduce. The offspring can reproduce. Biodiversity decreases. Biodiversity increases. Please record the FOUR numbers in ascending order.arrow_forward
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