Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
4th Edition
ISBN: 9781319154639
Author: Jay Phelan
Publisher: W.H. Freeman & Co
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Chapter 16, Problem 5MC
Summary Introduction
Introduction:
The three trade-offs are between reproduction and survival, reproduction and growth, and the number of offsprings and their size.
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Refer to the following graphs to answer the question that follows.
% life span
A
% lifespan
B
% lifespan
C
36. Which of the life history curves would be representative of "large animals that bear one or, at most, a
few offspring at a time and give them extended parental care?"
a. A
b. B
c. C
% surviving
This diagram illustrates a type of reproductive process in an organism.
Parent
Offspring
A
Based on this information, what conclusion about the offspring labeled "A" is supported?
O It has acquired traits in response to its environment.
O It has a lower mass of genetic material than offspring B.
O It has the same genetic material as its parent.
O It has half as much genetic material as its parent.
INTL
01
https://student.masteryconnect.com/#
Use the information to answer the following question.
Some species of sea stars are able to reproduce both sexually and asexually. Increasing ocean temperatures have impacted the environment of sea stars around the world.
Which argument provides the MOST LIKELY explanation for why populations that use sexual reproduction will demonstrate increased survival than those that use asexual reproduction?
A.
The population that uses sexual reproduction will be able to reproduce at a faster rate and replace the individuals that do not survive new environmental conditions.
B.
The population that uses sexual reproduction will reproduce at a slower rate allowing for them to identify and adapt to the new environmental conditions.
C.
The population that uses sexual reproduction will have less genetic diversity which will allow them to adapt to the new conditions more quickly.
D.
The population that uses sexual reproduction will have increased genetic diversity which will allow the population to…
Chapter 16 Solutions
Loose-leaf Version for What Is Life? A Guide to Biology 4E & LaunchPad for What is Life? A Guide to Biology 4E (Twelve Month Access)
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- Use the information to answer the following question. Some species of sea stars are able to reproduce both sexually and asexually. Increasing ocean temperatures have impacted the environment of sea stars around the world. Which argument provides the MOST LIKELY explanation for why populations that use sexual reproduction will demonstrate increased survival than those that use asexual reproduction? O A. The population that uses sexual reproduction will have less genetic diversity which will allow them to adapt to the new conditions more quickly. O B. The population that uses sexual reproduction will be able to reproduce at a faster rate and replace the individuals that do not survive new environmental conditions. O C. The population that uses sexual reproduction will reproduce at a slower rate allowing for them to identify and adapt to the new environmental conditions. O D. The population that uses sexual reproduction will have increased genetic diversity which will allow the population…arrow_forwardWhich of the following is not an adaptive feature of an opportunistic life history pattern?a. many offspringb. little or no care of offspringc. long life spand. small individualse. individuals that mature quicklyarrow_forwardThere are trade-offs between offspring number and quality as well as between offspring number and parental future reproductive success, explain this in your own words in the space providedarrow_forward
- The following equation is used to calculate the population growth rate, Ro, per generation from a life table. Iy is survival probability from birth to age x and my is fecundity at age x. Ro = Elkm Multiplying ly and my and summing it over all age categories in the life table gives the population growth rate per generation because: Calculating the reproductive output for each age class requires considering the survival probability to that age (a dead individual does not reproduce) and the fecundity at that age by multiplying them with each other. Summing over reproductive output for all age classes gives the total per capita growth rate of the population The fecundity at each age is lower when the survival is higher because of energy constraints. Multiplying probability of survival and fecundity in each age class takes this trade-off into account. Summing over reproductive output for all age classes gives the total per capita growth rate of the population The resulting type of growth…arrow_forwardClassify the type of reproductive strategy exhibited by wolves and provide two pieces of support from the reading . You should use those supports to back up your choice , that is , how did these 2 pieces of support lead to your answerarrow_forwardMonarch butterflies are a migratory species that flies south once during the lifetime of an individual. One specific population flies to Cuba, where it encounters and shares habitat with resident monarchs that do not migrate and stay within Cuba their entire lifespan. The table shows comparisons between the two populations. What data indicate the greatest difference between the populations? A. Male to female ratioB. Difference in wing sizeC. Higher mean weightD . Average of wing anglearrow_forward
- Explain why survival and reproductive success may not be equal for individuals in the population.arrow_forwardWithin a population, the negative tradeoff/s for an individual that reproduces earlier (at a younger age) than other members of the population is/are: (select all that are correct) Question 8 options: There are no disadvantages to reproducing earlier The provide less parental care They produce smaller offspring They are smaller than other members of the population of the same age They produce fewer offspring (per reproductive event)arrow_forwardAccording to Grimes model, which characteristics (life history traits) apply to individuals in the "Competitive" strategy? Question 10 options: The offspring have a high survival rate All of these They produce relatively few offspring They are very mobile They invest very little in their offspring They have an older age of maturityarrow_forward
- According to the figure for oppossums Birth Age (months): 0 Energy source: Energy used for: Baby Juvenile Maturity Adult Killed by predator 1st litter 2nd litter Independence (8 pups) (7 pups) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Mother Gathered by self Growth, metabolism, and repair Metabolism, repair, and reproduction delayed maturation = longer growth = larger litters early maturation = shorter growth = larger litters early maturation = shorter growth = fewer litters delayed maturation = longer growth = more littersarrow_forwardYou are examining the impact of fish predators in a Trinidad stream on the life history traits of a newly discovered species, the puppy guppy. Compared with streams containing no predators, you discover that in streams with predators, mature male puppy guppies are smaller, puppy guppy offspring make up a lower percentage of gravid female mass, the average number of offspring produced by females increases, and the average weight of each embryo decreases. Which of the following responses in life history traits is the OPPOSITE of what you would predict based on the responses of Trinidadian guppies to predators? Group of answer choices mature male size number of offspring produced Percent of gravid female mass for which offspring account embryo weightarrow_forwardcan you please explain this Below is a life table for a hypothetical organism. What is the expected lifetime reproductive success for individuals carrying the A1 allele? (Note: RS: reproductive success) Question 3 options: 2.35 2.50 2.64 3.66 24.00arrow_forward
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