Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 16, Problem 5FIB
Competition is most Intense between members of a(n) _________. Predators and their prey act as agents of ________ on one another, resulting in a form of evolution called ________. This results in the evolution of characteristics called ________ that help both predators and their prey survive and reproduce.
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Which of the following best explains the connection between increased competition and the evolution of a species by natural selection?
Individuals migrate to another area in order to avoid competition for limited resources in the current ecosystem.
Individuals that have traits that allow them to outcompete others survive better and produce more offspring.
Individuals must become stronger to compete for resources, and this increased strength is passed on to the next generation.
Individuals that must compete for limited resources are more likely to have diseases that cause mutations.
Organisms that interact serve as agents of _________on one another. This results in___________ , which is the process by which species evolve adaptations to one another.
A niche is loosely defined as an organism's role in its environment, which can include factors like, feeding preference, nesting behaviors, mating behaviors, method of obtaining prey, and local habitats. Considering Gause's law, conduct research on the California Red Legged Frog and the Northern Pacific TreeFrog (use wiki or other google search). Create a chart that compares the two with regard to their niche or their lifestyle that may explain how these two native frogs have evolved to coexist in the same ecosystem.
Northern Pacific TreeFrog
California Red Legged Frog
Chapter 16 Solutions
Biology
Ch. 16.1 - define evolution in terms of concepts from...Ch. 16.1 - define equilibrium population and describe the...Ch. 16.2 - If it were true that mutations do occur in...Ch. 16.2 - Explain how the distribution of genotypes in...Ch. 16.2 - A flu vaccination stimulates your immune system to...Ch. 16.2 - Prob. 3TCCh. 16.2 - If a population grows large again after a...Ch. 16.2 - Prob. 5TCCh. 16.2 - Evolution of a Menace The mutant alleles that...Ch. 16.2 - describe how mutation, gene flow, genetic drift,...
Ch. 16.3 - A team of phys clans treated four patients with...Ch. 16.3 - If we studied a population of bighorn sheep and...Ch. 16.3 - When selection is directional, is there any limit...Ch. 16.3 - describe why selection of phenotypes can affect...Ch. 16.3 - explain how competition and predation influence...Ch. 16.3 - Prob. 3CYLCh. 16.3 - compare and contrast directional selection,...Ch. 16.3 - Microbiologists have discovered that alleles...Ch. 16 - The alleles responsible for antibiotic resistance...Ch. 16 - Stabilizing selection on a trait tends to a. make...Ch. 16 - An adaptation is a. any trait that arises from a...Ch. 16 - Which of the following statements about mutations...Ch. 16 - Genetic drift occurs a. when different phenotypes...Ch. 16 - The ______ provides a simple mathematical model...Ch. 16 - Different versions of the same gene are called...Ch. 16 - An organisms ______ refers to the specific alleles...Ch. 16 - A random form of evolution is called ________....Ch. 16 - Competition is most Intense between members of...Ch. 16 - The evolutionary fitness of an organism is...Ch. 16 - What is a gene pool? How would you determine the...Ch. 16 - Define equilibrium population. Outline the...Ch. 16 - How does population size affect the likelihood of...Ch. 16 - If you measured the allele frequencies of a gene...Ch. 16 - People like to say that you cant prove a negative....Ch. 16 - Describe the three ways in which natural selection...Ch. 16 - What is sexual selection? How is sexual selection...Ch. 16 - In North America, the average height of adult...Ch. 16 - By the 1940s, the whooping crane population had...
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- Image Source: Leigh Torres, Oregon State University Every year, gray whales migrate from feeding grounds in the Gulf of Alaska to breeding grounds off the coast of Mexico. Marine biologists are especially interested in monitoring the population of 'resident' gray whales off the Oregon Coast who skip this journey and instead spend much of the time in cooler waters. Whales have distinct markings on their flukes (i.e. tails) that can be used to identify individuals. Researchers catalog 23 unique flukes during the first week of May. During June, they resample the same area and find 39 total whales, of which 5 were already cataloged. Using the mark-recapture method, how many resident whales make up this resident population? Record your answer to the nearest whole number.arrow_forwardIn a population of amphipods(small aquatic crustaceans), individual choose mates that have similar body size to themselves. This viloates the assumption of ______________ because an evolutionary mechanism, __________________, is operating in the population. ( name the relevant Hardy-Weinberg assumption and the evolutionary mechanism)arrow_forwardThe process in which populations accumulate adaptations over time to become more suited to their environments is called ____________ . It is considered the unifying concept of ____________ , which is the study of life.arrow_forward
- A niche is loosely defined as an organism's role in its environment, which can include factors such as feeding preference, nesting behaviors, mating behaviors, method of obtaining prey, and local habitats. Keeping Gause's law in mind, do some research on the California red-legged frog and the North Pacific tree frog (use wiki or another Google search). Create a chart comparing the two with respect to their niche or lifestyle that can explain how these two frogs can co-exist in the same ecosystem.arrow_forwardBased on Darwin's ideas of descent with modification and natural selection, observation would best support the idea increased competition causes changes in a species ? A population of rattlesnake goes extinct as the water resources in their environment dry up during an extreme, prolonged drought A population of frogs develop greener skin after a hurricane blows away the white flowers the environment A population of artic foxes develop a brown fur color as warmer temperatures reduce the number of days of snowfall in the area A population deer show an increase in antler size over time, which allows them to obtain more mates during mating seasonarrow_forwardon the african savanna warthogs regularly visit a group of banded mongooses. the warthog lies down and the banded mongooses pick off parasites and bugs off of the warthog. the end result is the band mongooses get a free meal and the warthog gets cleaned. what kind of species interaction is this and why?arrow_forward
- an african leopard chases a wildebeest and catches the antelope. the chase attracts the attention of a pride of lions. as the leopard tries to kill the wildebeest the lions try to take advantage by charging the leopard. the leopard climbs a tree to gain safety. the lions catch the injured wildebeest and eat it. what kind of species interaction is this and why?arrow_forwardMost organisms' niches are controlled by Genetic trait for adaptive characteristics Luck Behavior learned from others in their social groups Lessons learned from parents The predators and competitors they encounterarrow_forwardThe Earth is currently experiencing the sixth mass extinction event. Conservation efforts attempt to identify and focus on the species most at risk of going extinct. Which characteristics make species more vulnerable to extinction? species that have a generalized diet species that have a small population size species that are not negatively affected by introduced species species that are used by humans for food and clothing species that have a long life spanarrow_forward
- Why is genetic variation among individuals beneficial? Genetic variation staves off extinction because it creates a fit population. Genetic variation leads to more new traits in the population which means evolution can occur faster. More genetic variation means higher rate of survival versus species that have less genetic variation. Some individuals will have inherited traits that give them a competitive advantage that make them more likely to survive and reproduce.arrow_forwardIn a population, which individuals are most likely to survive and reproduce? * The individuals who are best adapted to the environment. The individuals who can catch the most prey. The individuals who grow the most rapidly. no answer The largest individuals in the group. What is the main criteria for organisms to be considered members of the same species? * no answer They must reproduce together and have fertile offspring. They must eat the same types of food and behave the same way. They must live in the same geographical area. O They must be able to look alike in form and function.arrow_forwardThe type III survivorship curve is found in species in which most individuals die when they are young but a relatively small number of older individuals can live for a long time. Many of these organisms have very long lifespans. This would appear to contradict the evolutionary theory of aging because most individuals die when young but lifespan is long. How can you explain this apparent contradiction. Group of answer choices -older, larger individuals have most of the offspring -all type III organisms have very slow metabolisms -type III organisms are trying to prove evolution wrong -type III organisms die at a constant ratearrow_forward
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