For which of these groups is the biological species concept not useful for determining species? Mark all that apply. O Separate recognized species that form hybrids (many plant species) Nonsexual groups Extinct groups (fossils) O Species with many remote, isolated populations (vernal pools) O Two sympatric species that do not form hybrids O An introduced species that forms a hydrid with a native species

For which of these groups is the biological species concept not useful for determining species? Mark all that apply. O Separate recognized species that form hybrids (many plant species) Nonsexual groups Extinct groups (fossils) O Species with many remote, isolated populations (vernal pools) O Two sympatric species that do not form hybrids O An introduced species that forms a hydrid with a native species

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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What are the most common mechanism of sympathric speciation and in which major group of organisms does this happen most often? Distinguish between sympathric and allopathric and parapathric speciation. Which is considered the (far) more common mechanism of species formation? What does "gene flow"between populations do?
Which form of speciation is more common? O Allopatric speciation O Sympatric speciation
OUTGROUP SPECIES A SPECIES B SPECIES C SPECIES D SPECIES E SPECIES F
10. Refer to the figure shown. Species Stripe Color 1 2 3 B. C R The figure shows the phylogeny of seven species of beetles (A-G) and whether the beetles have (?) or do not have (x×) one of three stripes. It also indicates the color of the beetle (R for red and G for green). Based on the phylogenetic tree and the principle of parsimony, the absence of stripe in species is most likely O 1; E and F; an evolutionary reversal O 2; E and F; due to convergent evolution O 2; E and F; a synapomorphy O 1; E and F; a synapomorphy O 1; E andF; due to convergent evolution
On the basis of the phylogeny of Darwin’s finches shown in Figure predict which two species in each of the following groups will bethe most similar genetically. a. Camarhynchus parvulus, Camarhynchus psittacula, Camarhynchuspallidab. Camarhynchus parvulus, Camarhynchus pallida, Platyspiza crassirostrisc. Geospiza difficilis, Geospiza conirostris, Geospiza scandensd. Camarhynchus parvulus, Certhidea fusca, Pinaroloxias inornata
Which reproductive barrier is most likely to prevent interbreeding between a polyploid species and its diploid sister species? Behavioral isolation: the two species will not recognize each other as mates O Gametic isolation: sperm and egg with different chromosome numbers cannot complete fertilization Hybrid infertility: differences in chromosome numbers will result in infertile hybrids O Mechanical isolation: differences in reproductive structures will prevent interbreeding O Temporal isolation: the two species will not reproduce at the same time of year
Think about the ways we define/identify a species. What would the least precise way to determine a living species (so not extinct)? O groups of organisms that look alike O groups of organisms that are geographically separated for a significant period of time such that they become distinct genetically separate populations with different genetic markers groups of potentially interbreeding populations with are reproductively isolated from others
Study the diagrams below. The diagrams represent four possible phylogenetic trees showing the relationship between the four species: M, L, S, and R. B A M LS R M LR +d \t R SML RM S tota -444 What is the plausible explanation for the appearance of autapomorphic character c in species L and S of tree A although they do not share a most recent common ancestor?
Based on the interaction between species A and species B in the previous question, choose the most likely combination of alpha and beta coefficients.a. alpha = 1, beta = 10b. alpha = 10, beta = 1c. alpha = 1, beta = 1d. alpha = 0, beta = 1Previous questionTwo species of aquatic snails live in a nearby creek. Species A is a very strong competitor of Species B, who is a weak competitor. What do you expect will happen to the realized niche of Species B if both species share the same fundamental niche? IT decreases
Choose True for yes and False for no, for each of the statements 1) If fossil evidence of the most recent common ancestor of A and B (10 million years ago) was found on both sides of the river (that formed 20 million years ago), then the distribution of A and B is best explained by vicariance. True or false 2) Is It possible that species C will speciate ? True or false
A reasonable definition for a species is: O A distinct kind of animal. O A group of living things with functionally similar traits, for example, all creatures that can fly. O A group of living things with taxonomically similar traits. O A group of taxonomically similar living things in which all healthy members can interbreed and produce fertile offspring. QUESTION 8 If microevolution is any change in the gene pool of a breeding population, then macroevolution is: O A change in the genetic makeup of group that eventually results in the development of a new species. O The mass exctinction of old species to make way for new. O Changes in the physical environment at large. O When microevolution happens on a large scale. * QUESTION 9 What is the primary cause of speciation? O Extinction. O Overpopulation. O Environmental change. O When a breeding population becomes reproductively isolated from its ancestral population, for a long enough time, in a different enough environment, that it…