Why is reproductive isolation insufficient to define a species? A. Reproductive isolation doesn't take outgroups into account. B. This definition overlooks artificial reproduction, such as in zoos. C. This definition excludes organisms that reproduce asexually. D. Reproductive isolation can be accomplished in a variety of ways.
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Why is reproductive isolation insufficient to define a species?
A. Reproductive isolation doesn't take outgroups into account.
B. This definition overlooks artificial reproduction, such as in zoos.
C. This definition excludes organisms that reproduce asexually.
D. Reproductive isolation can be accomplished in a variety of ways.
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- Which condition is the basis for a species to be reproductively isolated from other members? a. It does not share its habitat with related species. b. It does not exist out of a single habitat. c. It does not exchange genetic information with other species. d. It does not undergo evolutionary changes for a significant period of time.Which could lead to allopatric speciation by two populations of snail? Group of answer choices A. creation of a new mountain range between two populations B. a mutation in all members of one population which prevents gamete fusion between the two populations C. a change in breeding time of one population D. a change in mating behavior in one population but not in the otherWhat is Sympatric speciation? A) When a population is separated from the main group by a barrier and becomes a new species B) When a population mutates into a new species C) When a population develops into a new species without any physical barriers to isolate them
- Which process in a hybrid zone increases the likelihood of speciation? A. stability – when a hybrid zone remains the same B. reinforcement – when a hybrid zone widens and fewer hybrids are formed C. convergence – when a hybrid zone narrows and more hybrids are formed D. fusion – when a hybrid zone disappears and separate species fuse into oneTwo related populations can mate with each other but don't because a mountain range separates them. What type of reproductive isolation does this describe?A. Temporal isolationB. Behavioral isolation C. Habitat isolation D. Mechanical isolationWhich best describes a branch point in a phylogenetic tree? a. a hypothesis b. new lineage c. hybridization d. a mating
- Options are a. Hybrid offspring. b. Speciation c. Adaptive radiation. d. Mechanical isolation.based on the image attached a) Explain how genetic drift caused egg hatching to decrease in the late 1980s and 1990. b) Why did hatching improve following translocations? c) What are the general effects of gene flow between populationsWrite a short essay describing the roles ofmutation, migration, and selection in bringing about speciation.
- Give typing answer with explanation and conclusion Explain why speciation is very different in sexual and asexual organisms. Explain how these differences relate to different definitions of “species.” Make sure to comment on which definitions of “species” are more appropriate for a given set of circumstances.ANSWER THE FOLLOWING ACTIVITY: a. What is Hardy-Weinberg Principle? b. What are the conditions that must be met for genetic equilibrium? LESSON 2 a. What are the various types of reproductive isolating mechanisms that can lead to speciation? b. What are the different modes of speciation? c. Explain how evolution produce the tremendous amount of diversity among organisms. LESSON 3 a. What is scientific classification? b. Why does biologist classify organism? c. Enumerate the scientist and cite their respective contributions in the development of evolutionary thought.Which statement illustrates the connection between natural selection and overreproduction of a population? a) populations vary in their inherited traits. b) species produce more offspring than can survive in the environment. c) individuals with inherited traits that promote survival tend to have more surviving offspring. d) individuals with traits that do not enhance survival cannot reproduce.