Humans live longer than they ‘should’ based on reproductive ability. We talked about the grandmother hypothesis....
Humans live longer than they ‘should’ based on reproductive ability. We talked about the grandmother hypothesis. Based on this, which species do you think would be more likely to have the human pattern, Prairie Dogs or Panda Bears. Explain your answer.
Homework Answers
1. According to grandmotherh explain that human side of things. The hypothesis is that the help of grandmothers enables mothers to have more children.From this hypothesis the human likely more related to Panda Bears.
Explanation : A. Human and Panda bear both have menstural cycle but Prairie dog has estrus cycle for reproduction.
B. Panda bear and human sitting posture is same but in Prairie dog sitting posture not same .
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Humans live longer than they ‘should’ based on reproductive
ability. We talked about the grandmother hypothesis....
NTRODUCTION Under nearly all circumstances, postzygotic reproductive isolation cannot evolve under the direct action of natural...
NTRODUCTION
Under nearly all circumstances, postzygotic reproductive
isolation cannot evolve under the direct action of natural
selection. Instead, postzygotic isolation evolves as a by-product
of other genetic changes as proto-species diverge. In contrast,
natural selection can directly act to enhance prezygotic
reproductive isolation. Consider two species with overlapping
ranges. If hybrids between the species are less fit than pure
species individuals, females that mated with heterospecific males
would be at a selective disadvantage, because their resulting
offspring had low fitness....
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Humans and Chimps share a 9,826 nucleotides out of 10,000 in sequences. Therefore, the Human and...
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is 6.2x10^6 years ago. By using the molecular clock method to
estimate the two species, we can say that the species most likely
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what do you think our earth will look like at that time? Why do you
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NTRODUCTION
Under nearly all circumstances, postzygotic reproductive
isolation cannot evolve under the direct action of natural
selection. Instead, postzygotic isolation evolves as a by-product
of other genetic changes as proto-species diverge. In contrast,
natural selection can directly act to enhance prezygotic
reproductive isolation. Consider two species with overlapping
ranges. If hybrids between the species are less fit than pure
species individuals, females that mated with heterospecific males
would be at a selective disadvantage, because their resulting
offspring had low fitness....
Humans and Chimps share a 9,826 nucleotides out of 10,000 in
sequences. Therefore, the Human and Chimp nucleotide difference out
of 10,000 is 174. Gorillas and my new species differ by only 165
nucleotides. A) K=(-3/4)In(1-(4(0.0174)/3))=0.0176050171.
L=K/2t=0.0176050171/2(6600000)=1.33x10^-9. B)
K=(-3/4)In(1-(4(0.0165)/3))=0.0166842067. t=K/2L=0.0166842067. That
is 6.2x10^6 years ago. By using the molecular clock method to
estimate the two species, we can say that the species most likely
diverged nearly 6 million years ago. C) I am uncertain what to
write here but I...
Please help and explain
Biological fitness is best defined as A) a heritable trait that increases the match of an individual to its environment. B) similar reproductive success among individuals in a population. C) variability in the population for a trait that increases survival. D) the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. E) competition among individuals for resources that allow them to have more offspring Phylogenetic trees constructed...
DW 3. Discuss the term variation. Provide examples of variations on a particular species. Variation des differef Charolins les 11 4 Describe what is meant by competition among organisms. What do organisms antropole an calample of one is made Thom. Proster live longer compete for? Why? move 5. Explain the term adaptation. Provide an example of an adaptation in an organism. Adaptson means conditions, thitta determined which organisasi a Series Sure COP k evarirarenal Cind! 05. TODE á Darwin believed...
A115/A140: Study Packet for The Story of the Human Body.Part .by Daniel Leiberman Sp 19 of the Human Body, Ch. 1-Introduction: What are Humans Adapted For? READ Introduction and, as a study project, trace the evolutionary history and adaptive significance of each of the following foundational adaptations, adaptive patterns that we modern humans have inherited from our n Hearing System (focus on the evolution of the mammalian hearing system Human Vision System (stereoscopic, trichromatic color vision) The Modern Human Brain...
Write to answer the following
two questions:
1. On Page 133, you will see a very brief description of what
our earth will look like in 2050. Based on the information given,
what do you think our earth will look like at that time? Why do you
think so?
2. Mount St. Helens in Washington State erupted violently in
1980. The Loma Prieta earthquake in California occurred in 1989.
How far apart are these two points on a map? (You...
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