Description : According to Darwin, the organic evolution is due to (a) competition within closely related species (b) reduced feeding efficiency in one species due to the presence of interfering species (c) intraspecific competition (d) interspecific competition.
Last Answer : (c) intraspecific competition
Description : Based on the theory of evolution, if a population possesses a large amount of genetic variety, what level of variety can be expected in the future for that same population?
Last Answer : The population will increase in variety over time.
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 : What are the chances that humans will be witness to evolution of a new species?
Last Answer : 100% Because it already happened. Many times. It has been observed. Many times. See here
Description : Why does evolution always lead to more advanced species? -Biology
Last Answer : Evolution does not always lead to more advanced species. Evolution is simply a description of the way change occurs in biological creatures over many generations in order to better exploit a certain environment. ... Image, source: USFWS. Source: wtamu.edu by Sir Christopher S Baird......
Description : Give an example of body characteristics used to determine how close two species are in terms of evolution and explain it. -Biology
Last Answer : Homologous organs help to identify the relationship between organisms. These characteristics in different organisms would be similar because they have inherited from a common ancestor. For example, ... basic structural design of limbs though it has been modified to perform different functions.
Description : Evolution of different species in a given area starting from a point and spreadig to other geographical areas is known as
Last Answer : Evolution of different species in a given area starting from a point and spreadig to other ... evolution C. Adaptive radiation D. Natural selection
Description : Which is the most important factor for evolution of new species :
Last Answer : Which is the most important factor for evolution of new species : A. Geographic isolation B. Extensive in-breeding C. Extensive-bredding D. None
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 : Humans and gorillas have one different amino acid in their hemoglobin sequence. What does this say about the evolution of these two species?
Last Answer : its they are closely related
Description : Occurrence of endemic species in South America and Australia is due to (a) these species has been extinct from other regions (b) continental separation (c) there is no terrestrial route to these places (d) retrogressive evolution.
Last Answer : (b) continental separation
Description : Evolution below species level is a) Mega evolution b) Macro evolution c) Micro evolution d) Non of these
Last Answer : c) Micro evolution
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 : Which one of the following shows maximum genetic diversity in India Or Which one has the largest species variety India
Last Answer : Which one of the following shows maximum genetic diversity in India Or Which one has the largest species ... . Mango B. Groundnut C. Rice D. Maize
Description : Answer: a, b, c, d Free oxygen radicals are chemical species that are intermediates in the normal process of cellular respiration. Oxidants that are free radicals have been implicated as initiators of ... a. C-reactive protein b. Serum amyloid c. a -Proteinase inhibitor d. Fibrinogen e. Albumin
Last Answer : Answer: a, b, c, d The acute-phase response is a series of homeostatic responses of the organism to tissue injury in infection and inflammation. After an inflammatory stimulus occurs, a number ... 30% to 50% of the level before injury. The reason for the decrease in production is poorly understood
Description : Basic unit or smallest taxon of taxonomy/ classification is (a) species (b) kingdom (c) family (d) variety.
Last Answer : d) variety.
Description : Aquaculture facilities cultivate approximately ____ different species of fish and shellfish and grow a variety of aquatic plants. a. 20 c. 10 b. 30 d. 40
Last Answer : b. 30
Description : Assertion :- According to Lamarck, evolution of life forms had occured but driven by use and disuse of organs. Use and disuse of organ leads to change
Last Answer : Assertion :- According to Lamarck, evolution of life forms had occured but driven by use and disuse of ... . D. If both Assertion & Reason are false.
Description : According of Darwin, the organic evolution is due to
Last Answer : According of Darwin, the organic evolution is due to A. Reduced feeding efficiency in ... competition D. Competition within closely related species
Description : According to Darwin's Theory of Evolution, long necks in giraffes - (1) arose because of constant attempt to reach leaves on tall trees, generation after generation (2) do not give them any ... those with long necks survive (4) is a result of the special weather prevalent in African Savannah
Last Answer : (1) arose because of constant attempt to reach leaves on tall trees, generation after generation Explanation: Darwin was the first to propose that long necks evolved in giraffes because they ... -legged animals with longer and longer necks would be capable of reaching higher leaves and vegetation.
Description : According to Hugo de Vries, the mechanism of evolution is :- (1) Multiple step mutations (2) Saltation (3) Phenotypic variations (4) Minor mutations
Last Answer : (2) Saltation
Description : According to Darwin's Theory of Evolution, long necks in giraffes (1) arose because of constant attempt to reach leaves on tall trees, generation after generation (2) do not give them any special ... those with long necks survive (4) is a result of the special weather prevalent in African Savannah
Last Answer : arose because of constant attempt to reach leaves on tall trees, generation after generation
Description : According to the recent assessment of IUCN, which species in the Indian Special Economic Zone (EEZ) is classified as 'Critically endangered'? -General Knowledge
Last Answer : answer:
Description : According to IUCN Red list , during the last two decades the maximum increase in the number of the threatened species is among :
Last Answer : According to IUCN Red list , during the last two decades the maximum increase in the number of the ... A. Amphibians B. Reptiles C. Birds D. Mammals
Description : According to the Neo-Drawinian theory which fo the following is responsible for the origin of new species?
Last Answer : According to the Neo-Drawinian theory which fo the following is responsible for the origin ... together with natural selection D. Hybridization only
Description : According to IUCN Red List, what is the status of Red Panda (Ailurus fulgens)? (a) Critically endangered species (b) Vulnerable species (c) Extinct species (d) Endangered species
Last Answer : (d) Endangered species
Description : According to Robert May, the global species diversity is about (a) 1.5 million (b) 20 million (c) 50 million (d) 7 million.
Last Answer : (d) 7 million.
Description : Pick out the wrong statement: (A) Carburetted water gas is also called blue gas (B) Coals are divided in four species according to their carbon content in Seylor's classification (C) Carbonisation time ... and net calorific value of a fuel is the same, if it does not contain hydrogen or hydrocarbons
Last Answer : (A) Carburetted water gas is also called blue gas
Description : According to the study conducted by University of Minnesota in the first week of March 2013, which species of Africa would decline to almost extinction over the period of coming 20-40 years if conservation measures were not undertaken? a) Elephants b) Wild Cat c) Wild Lizard d) Wild Lion
Last Answer : Answer: (d) Wild Lion
Description : According to the idea of punctuated equilibrium, macroevolution usually involves A) slow and gradual change. B) alternating periods of stasis (no change) and rapid change. C) most species becoming extinct in a relatively short time. D) species selection.
Last Answer : B) alternating periods of stasis (no change) and rapid change.
Description : According to the idea of gradualism, macroevolution usually involves A) slow and gradual change. B) most species becoming extinct in a relatively short time. C) alternating periods of stasis (no change) and rapid change. D) species selection.
Last Answer : A) slow and gradual change.
Description : According to the biological species concept, horses and donkeys are not considered in the same species because A) they never mate. B) they do not produce fertile offspring. C) they look different. D) they do not share a relatively recent common ancestor.
Last Answer : B) they do not produce fertile offspring.
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 : What is the difference between evolution and adaptation?
Last Answer : Adaptation occurs through evolution by natural selection. If evolution is any change in allele frequency, then adaptation is the subset of frequency changes that gives the organism greater fitness ... nothing less than miraculous from their evolutionary perspectives. There were wide sandy beaches, g