Description : ‘Darwin finches’ refer to a group of : (1) Fishes (2) Lizards (3) Birds (4) Amphibians
Last Answer : (3) Birds Explanation: Darwin's finches are a group of about 15 species of passerine birds. They often are classified as the subfamily Geospizinae or tribe Geospizini. They were first collected by ... , and the beaks are highly adapted to different food sources. The birds are all dull-coloured.
Description : Darwin finches' refers to a group of which creatrue?
Last Answer : Birds
Description : Assertion :- Charles Robert Darwin strongly challanged the ideas of special creation theory. Reason :- Darwin was influenced by idea of use and desuse
Last Answer : Assertion :- Charles Robert Darwin strongly challanged the ideas of special creation theory. Reason :- ... D. If both Assertion & Reason are false.
Description : Assertion: Habitat destruction is the main reason of loss of biodiversity. Reason: This actually causes the increase in edge area and reduction in cor
Last Answer : Assertion: Habitat destruction is the main reason of loss of biodiversity. Reason: This actually causes the ... and Reason are false, then mark (4).
Description : A small number of finches live in a protected bird area. They are given as much food as they need and have plenty of space. Why would natural selection not occur in this population?
Last Answer : There is no need for it to occur. Only if the environmentchanges and less food is found would there be a change. Theenvironment selects the birds that do the best under the newconditions and the others will die.
Description : The following graph depicts changes in two populations (A and B) of herbivores in a grassy field. A possible reason for these changes is that (a) population A produced more offspring ... populations in this habitat decreased (d) population B competed more successfully for food than population A.
Last Answer : (c) both plant populations in this habitat decreased
Description : Why didn't Charles Darwin use the word "evolution" in his original publication of On the Origin of Species?
Last Answer : According to this, Darwin preferred descent with modification', in part because evolution already had been used in the 18c. homunculus theory of embryological development (first proposed under this name by Bonnet, ... in part because it carried a sense of progress' not found in Darwin's idea.
Description : Assertion `:-` When filtrate pass through descending limb of loop of Henle it becomes concentrate. Reason` :-` Descending limb allows transport of ele
Last Answer : Assertion `:-` When filtrate pass through descending limb of loop of Henle it becomes concentrate. Reason ... D. If both Assertion & Reason are false.
Description : Assertion : A resistance wire is broken into four pices and all are connected in parallel. Then, net resistance becomes 1/16 times. Reason : In parall
Last Answer : Assertion : A resistance wire is broken into four pices and all are connected in parallel. Then, net ... D. If Assertion is false but Reason is true.
Description : How long would an astronaut last in space if they were separated from the station and drifted off?
Last Answer : Around 7 hours before his oxygen system will give out.
Description : Why have continents have drifted apart? -Do You Know?
Last Answer : answer:
Description : If a raft drifted on the gulf stream begining in Florida were might it reach land?
Last Answer : Need answer
Description : If a raft drifted on the Gulf Stream beginning in Florida where might it reach land.?
Last Answer : toward Europe
Description : Why have continents have drifted apart?
Last Answer : Because of tectonic activities
Description : 1. Who firstly predicated the existence of electromagnetic waves? 2. Who is the winner of Saraswati Samman 2012? 3. When was decimal coinage introduced in India? 4. Why have continents ... makes maximum use of the geothermal energy? 20. Under which Sultan, Khalisa land increased considerably?
Last Answer : Answer : 1. Maxwell 2. A.A. Manavalan 3. 1957 4. Because of tectonic activities 5. Chandragupta I 6. Ecosystem 7. Nargis Dutt 8. Flint glass 9. Japan Sea 10. Narasimhavarman 11. Amour 12. Mohd. Azharuddin 13 ... 16. Governor 17. Unit north pole 18. V. K. R. V. Rao 19. Iceland 20. Alauddin Khilji
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 : The abundance of a species population, within its habitat, is called (a) relative density (b) regional density (c) absolute density (d) niche density.
Last Answer : (d) niche density.
Description : Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as (a) co-extinction (b) habitat fragmentation (c) over-exploitation (d) alien species invasion.
Last Answer : (d) alien species invasion.
Description : When does the growth rate of a population following the logistic model equal zero? The logistic model is given as dN/dt = rN(1–N/K) (a) when N/K equals zero (b) when death rate is greater than birth rate (c) when N/K is exactly one (d) when N nears the carrying capacity of the habitat.
Last Answer : (a) when N/K equals zero
Description : An association of individuals of different species living in the same habitat and having functional interactions is (a) ecosystem (b) population (c) ecological niche (d) biotic community.
Last Answer : (d) biotic community.
Description : Assertion :- In a mixed population those that can better-adapt, survive and increase in population size. Reason :- Better adaptability made the animal
Last Answer : Assertion :- In a mixed population those that can better-adapt, survive and increase in population size. ... D. If both Assertion & Reason are false.
Description : Assertion :- Any population has built in variation in characteristics. Reason :- Variations are always stable and inheritable.
Last Answer : Assertion :- Any population has built in variation in characteristics. Reason :- Variations are always ... D. If both Assertion & Reason are false.
Description : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of egg shell and their premature breaking b
Last Answer : Assertion: Biomagnification of DDT can enhance the decline in bird population. Reason: DDT causes thinning of ... and Reason are false, then mark (4).
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 : Assertion (A): People population control measures do not necessarily help in checking environmental degradation. Reason (R): The relationship between population growth and environmental degradation is rather complex. Choose the correct ... (R) is false. (D) (A) is false but (R) is true.
Last Answer : Answer: A
Description : Why do my pair of java finches make annoying 'bleating' sounds - like they are grumbling
Last Answer : finches usually pair up at the store-
Description : What keeps different species of Finches from mating?
Last Answer : Song and appearance both play a role in keeping different species from mating.
Description : Drawin finches differ with each other on the basis of :
Last Answer : Drawin finches differ with each other on the basis of : A. Feather B. Beak C. Colour of eye D. Body colour
Description : The finches of Galapagos islands provide an evidence in favour of
Last Answer : The finches of Galapagos islands provide an evidence in favour of A. Special Creation ... C. Retrogressive Evolution D. Biogoeographical Evolution
Description : Drawing finches are an example of :
Last Answer : Drawing finches are an example of : A. Divergent evolution B. C. D.
Description : Why did the finches stop mating with the different ones.?
Last Answer : Responde esta pregunta…la razón es que su evolución hizo quehubieran muchas subespecies y para poder mantener viva cada una deellas se aparean solo con sus iguales y hasta hoy en día aun lospinzones siguen evolucionando.
Description : How finches variation makes it well adapted to its physical environment?
Last Answer : Feel Free to Answer
Description : What purpose does beak variation serve for the finches on the galapagos island?
Last Answer : What is the answer ?
Description : What did peter and rosemary grant learn from Darwin's finches in the 1970s?
Description : Darvvin finches' refers to a group of - (1) Fishes (2) Lizards (3) Birds (4) Amphibians
Last Answer : (3) Birds Explanation: Darwin's finches (also known as the Galapagos finches) are a group of about 15 species of passerine birds. They often are classified as the subfamily Geospizinae or tribe ... . All are found only on the Galapagos Islands, except the Cocos Island Finch from Cocos Island.
Description : Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin's Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug ... ) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)
Last Answer : (c) (2), (3) and (4)
Description : 5) Darwin’s finches are an excellent example of (a)brood parasitism (b) adaptive radiation c) connecting links D ) seasonal migration.
Last Answer : (b) adaptive radiation
Description : Who was the first scientist credited with pointing out that certain gases could cause a greenhouse effect? w) John Tyndall x) Charles Darwin y) Roger Tory Peterson z) Stephen Jay Gould
Last Answer : ANSWER: W -- JOHN TYNDALL
Last Answer : Khwaja Abdul Gani
Description : 1. What is Electric field intensity at a point a hollow charged spherical conductor? 2. How many member country were founder of the Southern African Development Community? 3. In which year Swarn ... ? 20. What was the earliest public association formed in the history of modern India in 1837?
Last Answer : Answer : 1. Is zero 2. 8 3. April 1999 4. Dykes 5. Ramtanu Pande 6. Inoculation against cholera 7. President 8. Silver Iodide (Agl) 9. Bolivia 10. Third Battle of Panipat 11. ... . Indirectly 17. First decreases then increases 18. Central Statistical Organisation 19. 12 20. The Landholder's Society
Description : Wildlife is continuously decreasing. What is the main reason of this? (a) Predation (b) Cutting down of forest (c) Destruction of habitat (d) Hunting
Last Answer : (c) Destruction of habitat
Description : Which option correctly lists the reason that the true home of a tiger is jungle? (a) Tigers get the love of other animals in the jungle. (IV)(b) In cities they are scared of the noises of the ... ) The jungle is tiger s natural habitat. (d) At zoos, they lose their privacy and they feel lonely.
Last Answer : (c) The jungle is tiger‘s natural habitat.
Description : Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. Reason `:-` Small amount of nitrogenous wastes cou
Last Answer : Assertion `:-` The primary function of sweat is to facilitate a cooling effect on the body surface. ... . D. If both Assertion & Reason are false.
Description : Assertion `:` If all external nerve supplies to a human heart are cut there will be no effect on the heart beat. Reason `:` Human heart is a myogenic
Last Answer : Assertion `:` If all external nerve supplies to a human heart are cut there will be no effect on ... False. D. If both Assertion & Reason are false.
Description : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio of `CO_(2)` allow dissociation of oxyhaemoglobin.
Last Answer : Assertion `:-` Bohr effect occur at the level of alveoli of lungs. Reason `:-` High concentratio ... False. D. If both Assertion & Reason are false.
Description : Assertion : Thyroxine shows calorigenic effect. Reason : Thyroxine shows calorigenic effect. Reason : Thyroxine increases catabolism, produces energy
Last Answer : Assertion : Thyroxine shows calorigenic effect. Reason : Thyroxine shows calorigenic effect. Reason : ... If both Assertion and Reason are false.
Description : Assertion: In acute constipation, purgative containing magnesium salts are generally used. Reason: The osmotic effect of `Mg^(2+)` in the intestinal l
Last Answer : Assertion: In acute constipation, purgative containing magnesium salts are generally used. Reason: The osmotic ... `Mg^(2+)` is absorbed very slowly
Description : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of OH group increases the electron density on
Last Answer : Assertion: Phenol is more reactive than benzene towards electrophilic reactions. Reason : The +R effect of ... D. A is incorrect but R is correct