Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 45, Problem 17RQ
Which of the following statements does not support the conclusion that giraffes are k-selected species?
- Giraffes are approximately 6' tall and weigh 150 Ibs at birth
- Wild giraffes begin mating at 6-7 years of age
- Newborn giraffes are capable of coordinated walking within an hour of birth, and running within 24 hours of birth
- Giraffes rarely give birth to twins.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Is the following case study an r-strategists or a K-strategists?
Andean condors reach sexual maturity at five to six years. Reproduction is slow; females lay only one or two eggs every other year. Offspring are cared for by both parents for at least one year. Andean condors are long-lived and can survive for seventy to seventy-five years.
1.) Lynx mate in March and have litters of 3 to 5 kittens in May. Lynx kittens are born blind and naked . Their eyes open after 10 days. In 12 weeks , the kittens travel with their mother. They watch and learn how to hunt for hares. Their eyesight is more acute than their hearing or sense of smell. Lynx are active at night (nocturnal).
Hares have litters of 2 to 4 offspring, with up to 4 litters over a summer. Hares are born with their eyes open and bodies fully haired. Birth weight doubles in 8 days. Hares use their good hearing and super sensitivity to ground vibrations, as well as speed and coordination, to escape lynx. Hares are active at night and spend the day grooming and resting.
A.) Classify the lynx as a r- or K-selected species . Provide evidence from the information given to support your choice .
All of the following scenarios are examples of barriers that distinguish separate
species. Which is not a post-zygotic barrier? *
Two species of ladybugs live in the same habitat. Although they mate at the same
time of year, their genitals are physically incompatible.
Two species of fish inhabit the same stream. They are capable of mating and
producing healthy offspring. The offspring, however, are infertile.
Two species of opossums inhabit the same forest. Although they are capable of
mating, no offspring ever survive development.
Two species of mice coexist in a forest habitat. They are capable of mating and
producing offspring. The offspring, however, are frail and die young.
Chapter 45 Solutions
Biology 2e
Ch. 45 - Figure 45.2 As this graph shows, population...Ch. 45 - Figure 45.10b If the major food source of the...Ch. 45 - Figure 45.16 Age structure diagrams for rapidly...Ch. 45 - Which of the following methods will tell an...Ch. 45 - Which of the following is best at showing the life...Ch. 45 - Humans have which type of survivorship curve? Type...Ch. 45 - How is a clumped population distribution...Ch. 45 - Which of the following is associated with...Ch. 45 - Which of the following is associated with multiple...Ch. 45 - Which of the following is associated with the...
Ch. 45 - Species with limited resources usually exhibit...Ch. 45 - The maximum rate of increased characteristic of a...Ch. 45 - The population size of a species capable of being...Ch. 45 - Species that have many offspring at one time are...Ch. 45 - A forest fire is an example of regulation....Ch. 45 - Primates are examples of: density-dependent...Ch. 45 - Which of the following statements does not support...Ch. 45 - Which of the following events would not negatively...Ch. 45 - A country with zero population growth is likely to...Ch. 45 - Which type of country has the greatest proportion...Ch. 45 - Which of the following is not a way that humans...Ch. 45 - The first species to live on new land, such as...Ch. 45 - Which type of mimicry involves multiple species...Ch. 45 - A symbiotic relationship where both of the...Ch. 45 - Which of the following is not a mutualistic...Ch. 45 - The ability of rats to learn how to run a maze is...Ch. 45 - The training of animals usually involves...Ch. 45 - The sacrifice of the life of an individual so that...Ch. 45 - Why are polyandrous mating systems more rare than...Ch. 45 - Describe how a researcher would determine the size...Ch. 45 - The CDC released the following data in its 2013...Ch. 45 - Why is long-term parental care not associated with...Ch. 45 - Describe the difference in evolutionary pressures...Ch. 45 - Describe the rate of population growth that would...Ch. 45 - Describe how the population of a species that...Ch. 45 - Give an example of how density-dependent and...Ch. 45 - Describe the age structures in rapidly growing...Ch. 45 - Since the introduction of the Endangered Species...Ch. 45 - Describe the competitive exclusion principle and...Ch. 45 - Jaguars are a keystone species in the Amazon....Ch. 45 - Describe Pavlov’s dog experiments as an example of...Ch. 45 - Describe the advantage of using an aural or...
Additional Science Textbook Solutions
Find more solutions based on key concepts
A steel ball is dropped onto a hard floor from a height of 1.50 m and rebounds to a height of 1.45 m. (a) Calcu...
College Physics
21-Year-Old Female with Skeletal Injuries
While riding her bike to campus, 21-year-old Liliana Rose was struck...
Human Anatomy & Physiology (11th Edition)
DRAW IT Each female of a particular fish species produces millions of eggs per year. Draw and label the most l...
Campbell Biology (10th Edition)
Body, Heal Thyself The precision of mitotic cell division is essential for repairing damaged tissues like those...
Biology: Life on Earth with Physiology (11th Edition)
Identify me theme or themes exemplified by (a) the sharp quills of a porcupine (b) the development of a multice...
Campbell Biology in Focus (2nd Edition)
The following diagram illustrates passive and active transport across a plasma membrane. Use it to answer quest...
Study Guide for Campbell Biology
Knowledge Booster
Learn more about
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
- Infanticide by adult males… Group of answer choices is rare in most primate groups is not resisted by females, including the mother may be a strategy used to maximize an individual’s own reproductive success is performed as a means of intentional population control to limit overpopulation appears to serve no function other than domination of a group by a new alpha malearrow_forwardWhich of the following observations or hypotheses is most consistent with the Bateman-Trivers paradigm? males attempt to secure large territories to attract many females none of these are consistent with the Bateman-Trivers Hypothesis sperm are frail and few can actually fertilize an egg male spiders mate only once are sometimes eaten by females O females seek many mates to ensure genetic diversity in their youngarrow_forwardAll of the following scenarios are examples of barriers that distinguish separate species. Which is not a post-zygotic barrier? Two species of ladybugs live in the same habitat. Although they mate at the same time of year, their genitals are physically incompatible. Two species of fish inhabit the same stream. They are capable of mating and producing healthy offspring. The offspring, however, are infertile. and 2 Two species of opossums inhabit the same forest. Although they are capable of mating, no offspring ever survive development. hschool 3, Two species of mice coexist in a forest habitat. They are capable of mating and producing offspring. The offspring, however, are frail and die young. When Charles Darwin visited the Galapagos Islands, he observed the marine iguana. He later decided that the marine iguana evolved from the terrestrial iguana found on the mainland of South America. The marine iguana differs from the terrestrial iguana in several ways. The marine iguana has a flat…arrow_forward
- Lynx mate in March and have litters of 3 to 5 kittens in May. Lynx kittens are born blind and naked. Their eyes open after 10 days. In 12 weeks, the kittens travel with their mother. They watch and learn how to hunt for hares. Their eyesight is more acute than their hearing or sense of smell. Lynx are active at night (nocturnal). Hares have litters of 2 to 4 offspring, with up to 4 litters over a summer. Hares are born with their eyes open and bodies fully haired. Birth weight doubles in 8 days. Hares use their good hearing and supersensitivity to ground vibrations, as well as speed and coordination, to escape lynx. Hares are active at night and spend the day grooming and resting. Classify the lynx as a r- or K-selected species. Provide evidence from the information given to support your choice.arrow_forwardKing penguins are flightless aquatic birds found primarily in the Southern hemisphere. They live as a large colony and have highly social interactions. King penguins begin reproducing at six years of age and lay one or two eggs per reproductive cycle.Males and females share the incubation duties and raise the chicks together for about 15 months. When the young penguins get older, they form a large group guarded by only a few adult penguins, allowing the parents to forage for food without having to worry about their young. As a population, penguins could be classified as Select one: a. r-selected because only a few adult penguins care for the young penguins b. K-selected because they only lay one or two eggs per reproductive cycle c. K-selected because they live in a large colony, often sharing responsibility for caring for the young penguins d. r-selected because of the relatively long breeding cyclearrow_forwardPolygyny is a common mating system in nature. Which one of the following scenarios is LEAST likely to result in a polygynous mating system? Male stalk-eyed flies form leks where receptive females come visit Male Neotropical giant damselfly defend water-filled tree holes, which are the oviposition sites for females. Suitable tree holes for oviposition are rare and females must mate with the resident male in exchange for access to the oviposition sites. Male Bengal tigers defend large territories that contain food sources. Female Bengal tigers visit male territories to mate. The density of the Bengal tiger is extremely low that male tigers rarely encounter more than one female in their lifetime. In the bumblebee-wolf Philanthus bicinctus, females are unreceptive until they finish constructing the long underground burrow as nest sites. Males search for locations containing a number of newly constructed burrows and attempt to control these sites against the intruders. Your cousin Peter…arrow_forward
- Is the following case study an r-strategist or a K-strategist? American toads practice explosive reproduction. During the first warm days in spring, both males and females migrate from forests and converge on ponds. Reproduction is quick, taking only a few days. Females lay hundreds of eggs in jelly-filled sacks along the sides of the pond or stream. As soon as the eggs are laid, males and females abruptly leave the pond. Offspring are left to develop, hatch, and grow on their own, maturing in about three months.arrow_forwardWhich of the following statements is NOT the reason why females are choosy? By being choosy, she can acquire advantageous genotypes for her offspring from her mates. By being choosy, she can acquire resource for her offspring from her mates. By being choosy, she can ensure that her male offspring can attract more females as well. Her seeming choosiness is a by-product of her stereotypical behaviors exploited by the males for mating gains. All listed above are reasons why she is choosyarrow_forwardAnswer the following questions using this information: Bowhead whales can live up to 150 years, reproducing first when they reach 25 years of age, which is when they leave their mother. The survival curve for this whale species is shown below. Indicate which answer is correct about this whale. % alive age in years 150 O They have a type 1 survival curve and show little parental care of offspring. O They have a type 2 survival curve and show strong parental care of offspring. They have a type 1 survival curve and show strong parental care of offspring O They have a type 3 survival curve and little parental care of offspring.arrow_forward
- Females of a lizard species each produced, on average, about 15 eggs during one breeding season, and about the same number of eggs during each of the next four breeding seasons. This suggests that Group of answer choices the cost of reproduction is relatively high for these females the idea of trade-offs does not apply to this species the cost of reproduction is relatively low for these females this species is semelparous there must be high mortality among females in this speciesarrow_forwardIdentify whether each of the following scenarios is most likely to result in stabilizing, disruptive, or directional selection a) Beetles that emerge from hibernation too early are more likely to killed by frost, those that emerge too late will miss the chance to mate [Select ] b) Frogs with mating calls that are between 400 and 600 chirps per minute attract more mates than frogs with calls that are lower than 400 chirps per minute or greater than 600 chirps per minute [ Select ] c) Plants with the largest leaves are better able to gather sunlight in the rainforest [ Select ] d) Giraffes with longer necks can reach more leaves, but they have a harder time pumping blood from their heart up to their brain [Select] e) Mice with the lighter fur are better camouflaged from predators than mice with darker fur V [ Select ] stabilizing selection disruptive selection directional selectionarrow_forwardWhich statement is true about the data in the graphs for three spider species? Crab spider Jumping spider -- - Wolf spider Height of webs Prey Size Crab spiders have the highest intraspecific trait variation for height of webs The three spider species likely have competitive exclusion due to prey size Jumping spiders out compete crab spiders and wolf spiders The three spiders should not coexist based on the height of their webs The three spider species should not coexist based on their prey size Proportion of population Proportion of populationarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Biology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage Learning
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Biology: The Dynamic Science (MindTap Course List)
Biology
ISBN:9781305389892
Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher:Cengage Learning