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Evolution

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what is definition of evolution in biology?

Kashish 13th Jul, 2020
Hey!

The theory of evolution is based on the idea that allspecies are related and gradually change over time.

Evolution relies on there beinggenetic variation in a population which affects the physical characteristics (phenotype) of an organism.

Some of these characteristics may give the individual an advantage over other individuals
190 Views

evidence of evolution plz tell me the strongest one

Khushi 26th Jan, 2020

Hello!!

One of the strongest evidences for common descent comes from gene sequences. Comparative sequence analysis examines the relationship between the DNA sequences of different species, producing several lines ofevidence that confirm Darwin's original hypothesis of common descent.

Thanks

57 Views

what is supernatural theory of evolution what are its demerits?

Khushi 26th Jan, 2020

Hello!!

Supernatural power created all the organisms in its present form.

Demerits of this theory are-

No question of inter relationship among the organism.

No question of the occurance of variation

No question of evolution

No explanation about the place of origin.

Thanks

1063 Views

Which primate is closest to man regarding organic evolution :- 1. Gibbon. 2. Gorilla. 3. Sinanthrous. 4. orangutan

Somrita Bhattacharya 12th Jan, 2020

Hello the answer is 2. Gorilla

Apes are the members of the hominoidea superfamily of primates, which includes humans. Under the current classification system there are two families of hominoids.The family hylobatidae consists of 4 genera and 13 species of gibbons, including the Lar Gibbon and the Siamang, collectively known

1517 Views

Who is directly related to man:- 1. Gorilla. 2. Rhesus 3. Gibbon 4. orangutan

IMran Mir 12th Jan, 2020

Hi there!

Greetings!

I hope you are having a nice day!

I would like to inform you that every apes given in the question is related to man but if we go for most appropriate or more related to man are Gorilla because Apes are the members of the hominoidea

2695 Views

Which of the following statement is true :- 1. Homo erectus is direct ancestor of homosapiens . 2. Neanderthal man is direct ancestor of modern man. 3. Australopithecus is direct ancestor of modern man. 4. Fossils of Cromagnon man first found Ethiopia.

Anto Melvin 12th Jan, 2020

Homo erectus (meaning 'upright man') were a species of archaic humans from the Pleistocene, earliest occurrence about 2 mya They are proposed to be the direct ancestors to several human species, such as H. heidelbergensis, H. antecessor, Neanderthals, Denisovans, and modern humans.

Modern man is nothing but homo sapiens so

4688 Views

Initiating force of evolution is :- 1. Variation. 2. Natural selection. 3. Adaptation. 4. Compition.

Somrita Bhattacharya 12th Jan, 2020

The correct answer is Variation.


Explanation:

The various traits or behaviours of an organisms are seen to have evolved over many years through natural selection, with the main aim of surviving in the environment. Natural variation is the process in which individuals are better adapted in the environment, with the

80 Views

IF I SCORE 480 IN NEET 2019 THEN WHAT WILL BE THE FEE FOR MBBS IN THESE COLLEGE AND HOW MUCH SCOLORSHIP DID I GET PLEASE GIVE ME AN EXACT VALUE

priyaankasarkar Student Expert 10th Jan, 2020

Hari, you haven't mentioned the College you are enquiring about. Neverthless, your fees largely depends on the score and College you get placed in. All the Government Medical Colleges of a particular State will have the same fees. And Private Medical Colleges have 3 Categories.  The first is Govt. Quota,

47 Views

who is the closest ansestor of human

Akram Khan 1st Jan, 2020

Hello,

evolution of human is a long process.

Chimpanzees are considered as closest ancestors of humans.

The modern human is considered to have closest similarity with the species homosapien.

During ice age between 75,000-10,000 years ago modern Homo sapiens arose.

Hope you find this information helpful.

53 Views

if all regulate gets advantage over conform then why comforms did not comvert int regulate wirh evolution .

Khushi 25th Dec, 2019

HELLO!!

Thermoregulation is energetically expensive for many organisms,specially for small animals like birds,shrews.we know that heat gain or heat loss is the function of surface area.Since these small animals have larger surface as compares to there volume they lose body heat very fast during  exposure to cold environment.To maintain their

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