Description : The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge, is called (a) non-random evolution (b) adaptive radiation (c) natural selection (d) convergent evolution.
Last Answer : (d) convergent evolution
Description : Assertion :- Tasmanian wolf and Placental wolf are the good example of convergent evolution. Reason :- More than one adaptive radiation apperared to h
Last Answer : Assertion :- Tasmanian wolf and Placental wolf are the good example of convergent evolution. Reason :- ... D. If both Assertion & Reason are false.
Description : Forelimbs of cat, lizard used in walking; forelimbs of whale used in swimming and forelimbs of bats used in flying are an example of (a) analogous organs (b) adaptive radiation (c) homologous organs (d) convergent evolution.
Last Answer : (c) homologous organs
Description : The similarity of bone structure in the forelimbs of many vertebrates is an example of (a) homology (b) analogy (c) convergent evolution (d) adaptive radiation.
Last Answer : (a) homology
Description : The similarity of bone structure in the forelimbs of many vertebrates is an example of (1) Homology (2) Analogy (3) Convergent evolution (4) Adaptive radiation
Last Answer : (1) Homology
Description : Evolution of different species in a given area starting from a point and spreading to other geographical areas is known as (1) Divergent evolution (2) Adaptive radiation (3) Natural selection (4) Migration
Last Answer : Adaptive radiation
Description : Industrial melanism is an example of (a) mutation (b) Neo-Lamarckism (c) Neo-Darwinism (d) natural selection.
Last Answer : (d) natural selection.
Description : Genetic Algorithm are a part of A . Evolutionary Computing B. inspired by Darwin's theory about evolution - "survival of the fittest" C. are adaptive heuristic search algorithm based on the evolutionary ideas of natural selection and genetics D . All of the above
Last Answer : D . All of the above
Description : Analogous structures are a result of (a) shared ancestry (b) stabilising selection (c) divergent evolution (d) convergent evolution
Last Answer : (d) convergent evolution.
Description : The major phenomenon responsible for micro evolution and mega evolution a. Genetic drift b. Adaptative radiation c. Natural selection d. None of the above
Last Answer : c. Natural selection
Description : he major phenomenon responsible for micro evolution and mega evolution a. Genetic drift b. Adaptative radiation c. Natural selection d. None of the above
Description : In your study of the fossil record of early mammals, you notice a changing environment is followed by the initial appearance of a tree-climbing species, which is then followed by many later tree-climbing ... is an example of A) anagenesis. B) gradualism. C) species selection. D) adaptive radiation.
Last Answer : D) adaptive radiation.
Description : Rapid speciation following the availability of new environments is known as A) gradualism. B) adaptive radiation. C) species selection. D) punctuated equilibrium.
Last Answer : B) adaptive radiation.
Description : Industrial melanism is an example of
Last Answer : Industrial melanism is an example of A. Drug resistance B. Darkening of skin due to ... D. Defensive adaptation of skin against ultraviolet radiations
Last Answer : Industrial melanism is an example of A. Neo Lamarckism B. Neo Drawinism C. Natrual selection D. Mutation
Description : Industrial melanism as observed in peppered moth proves that
Last Answer : Industrial melanism as observed in peppered moth proves that A. The true balck melanic forms ... area. D. Melanism is pollution-generated feature
Last Answer : Industrial melanism is an example of A. Natural selection B. Mutation C. Racial difference D. Predation
Description : Give examples of adaptive radiation. -Biology
Last Answer : A striking example is the radiation, beginning in the Paleogene Period (beginning 66 million years ago), of basal mammalian stock into forms adapted to running, leaping, climbing, swimming, and ... include Australian marsupials, cichlid fish, and Darwin's finches (also known as Galapagos finches).
Description : Animals have the innate ability to escape from predation. Examples for the same are given below. Select the incorrect example. (a) Colour change in Chamaeleon (b) Enlargement of body size by swallowing air in puffer fish (c) Poison fangs in snakes (d) Melanism in moths
Last Answer : (c) Poison fangs in snakes
Description : Assertion :- Analogous structures are a result of convergent evolution. Reason :- Different strutures evolving for the same function and hence having
Last Answer : Assertion :- Analogous structures are a result of convergent evolution. Reason :- Different strutures ... . If both Assertion & Reason are false.
Description : Convergent evolution is illustrated by
Last Answer : Convergent evolution is illustrated by A. Rat and dog B. Bacterium and protozoan C. Starfish and cuttle fish D. Dogfish and whale
Description : `{:("Convergent evolution","Divergent evolution"),((1)"Bones of forelimbs of vertebrates","Wings of butterfly and birds"),((2)"Thorns of Bougainvillia
Last Answer : `{:("Convergent evolution","Divergent evolution"),((1)"Bones of forelimbs of vertebrates","Wings ... Cucurbita","Wings of butterflies and birds"):}`
Description : Convergent evolution of two species is associated with `:`
Last Answer : Convergent evolution of two species is associated with `:` A. analogous organs B. recent common ancestor C. Homologous organs D. different habitat
Description : Which one of the following options gives one correct example each of convergent evolution and divergent evolution? Convergent Divergent evolution evolution (a) Eyes of octopus Bones of forelimbs and ... birds (d) Thorns of Bougainvillea Eyes of octopus and tendrils of and mammals Cucurbita
Last Answer : (a) Eyes of octopus Bones of forelimbs and mammals of vertebrates
Description : The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of (a) analogous organs that have evolved due to convergent ... evolved due to convergent evolution (d) homologous organs that have evolved due to divergent evolution.
Last Answer : (a) analogous organs that have evolved due to convergent evolution
Description : The wings of a bird and the wings of an insect are (a) phylogenetic structures and represent divergent evolution (b) homologous structures and represent convergent evolution (c) homologous structures and represent divergent evolution (d) analogous structures and represent convergent evolution.
Last Answer : (d) analogous structures and represent convergent evolution.
Description : The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of ... These features have been preserved by evolution as they provide adaptive advantage to their owners.
Last Answer : How can the tubular-dorsal nervous system in chordates be compared to the nervous pattern present in invertebrates?
Description : Can adaptation and natural selection be considered acts separate and distinct from the process of evolution?
Last Answer : answer: to what end? An individual's adaptation has either a positive or neutral effect on evolution, by either allowing it to breed more that it otherwise would without the adaptation, or ... that adaptation to sufficiently alter the species' population, that is the very definition of evolution.
Description : Assertion :- Branching descent and Natural selection are the two key concepits of Darwinian theory of evolution. Reason :- Darwinism is able to explai
Last Answer : Assertion :- Branching descent and Natural selection are the two key concepits of Darwinian theory of ... D. If both Assertion & Reason are false.
Description : Assertion: Population ecology is a link of ecology to population genetics and evolution. Reason: Natural selection operates at population level to evo
Last Answer : Assertion: Population ecology is a link of ecology to population genetics and evolution. Reason: Natural ... and Reason are false, then mark (4).
Description : Which is part of the theory of evolution by natural selection?
Last Answer : Animals that survive cannot pass along their adaptation
Description : What's the difference between evolution and natural selection?
Last Answer : Evolution simply means change occurring over time, especially a gradual change. You can, for example, speak of an evolution in architectural styles, or in music.The evolution that biologists talk about is ... is a process of slow change in a group of organisms, natural selection is the means by
Description : How is natural selection related to evolution?
Last Answer : Natural selection is the driving force for evolution. Evolution was not first proposed by Charles Darwin. There had been many observations found pointing to the idea long before Charles Darwin. His ... each species. Second, there must be a high enough Death Rate to prevent the variations wh
Description : Theory of evolution through natural selection was given by
Last Answer : Ans. C.Darwin and A.R.Wallace (1858)
Description : Which of the following is not a part of the Darwin's theory of evolution? (1) Natural selection (2) Struggle for existence (3) Survival of the fittest (4) Inheritance of acquired characters
Last Answer : (4) Inheritance of acquired characters Explanation: The inheritance of acquired characteristics is a hypothesis that physiological changes acquired over the life of an organism such as the ... theory of adaptation equated with the evolutionary theory of French naturalist Jean-Baptiste Lamarck.'
Description : Which one of the following sequences was proposed by Darwin and Wallace for organic evolution? (a) Overproduction, variations, constancy of population size, natural selection (b) ... variations, natural selection (d) Variations, natural selection, overproduction, constancy of population size
Last Answer : (b) Sea-horse
Description : Which of the following is not a part of the Darwin’s theory of evolution? (1) Natural selection (2) Struggle for existence (3) Survival of the fittest (4) Inheritance of acquired characters
Last Answer : Inheritance of acquired characters
Description : Assertion :- Australian marsupials can be taken as an example of adaptive radiation. Reason :- A number of marsupials, evolved from an ancestral stock
Last Answer : Assertion :- Australian marsupials can be taken as an example of adaptive radiation. Reason :- A number ... D. If both Assertion & Reason are false.
Description : Forelimbs of whatle bat, cheetah and duman do not show- a. Similiarities in the pattern of bones b. Adaptive radiation c. Analogou organs d. Convergen
Last Answer : Forelimbs of whatle bat, cheetah and duman do not show- a. Similiarities in the pattern of bones b. Adaptive radiation ... f C. a and d D. a,b and c
Description : Adaptive radiation refers to
Last Answer : Adaptive radiation refers to A. Adaptations due to Geographical isolation B. Evolution of different ... in an individual to a variety of environments
Description : The classical example of adaptive radiation in development of new species is
Last Answer : The classical example of adaptive radiation in development of new species is A. Darwin finches B. ... Australia C. giant turtle D. all of these
Description : In the case of peppered moth (Biston betularia) the black-coloured form became dominant over the light-coloured form in England during industrial revolution. This is an example of (a) ... acquired due to the darker environment (d) natural selection whereby the darker forms were selected.
Last Answer : (d) natural selection whereby the darker forms were selected.
Description : Do you enjoy watching house flippers fail miserably on shows like Property Ladder?
Last Answer : I watched Flip That House once, and this really annoying lady was on it. She was constantly complaining and she had no idea what she was doing. By the end of the show she still hadn’t sold the house; I couldn’t help but feel kind of happy. lurve for schadenfreude
Description : Flippers of seal are modified `:`
Last Answer : Flippers of seal are modified `:` A. fins B. hindlimb C. forelimb D. gills
Description : DO YOU HAVE FLIPPERS?
Last Answer : DO U HAVE FLIPPERS
Description : Which of the following animals have flippers? (a) Tortoise (b) Turtle (c) Water Snake (d) Tortoise and Turtle
Last Answer : Ans:(d)
Description : Which one of the following are analogous structures? (a) Wings of bat and wings of pigeon (b) Gills of prawn and lungs of man (c) Thorns of Bougainvillea and tendrils of Cucurbita (d) Flippers of dolphin and legs of horse
Last Answer : (a) Wings of bat and wings of pigeon
Description : Scuba Flippers
Last Answer : Scuba flippers, or fins, are plastic or rubber shoes that are finlike and worn in the water. They are worn to assist the wearer in water activities, including swimming, scuba diving, free-diving ... . The flippers are available in a variety of kinds, including plastic, fiberglass, and carbon fiber.
Description : Which of the following would be prescribed for acne? A. Actiq B. Actonel C. Accu-Check D. Accutane Ans: D 2. An absence of pigment in the skin is called A. acanthosis nigricans B. albinism C. melanism D. xanthoderma
Last Answer : Ans: B
Description : With the help of suitable examples explain natural selection. -Biology
Last Answer : During sexual reproduction, a female gamete or egg cell fuses with a male gamete or sperm cell which are haploid to form zygote. Zygote is diploid which contains 23 chromosomes from mother and 23 ... In this way, an equal genetic contribution of male and female parents is ensured in the progeny