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divide the chapters of 11th and 12th as botany and zoology ? please !!!!!!!!!!!!
differentiate between divergent evolution and convergent evolution.
Q Write the oparin and haldane's hypothesis about the orgin of life on earth. How does meteoritic analysis favour this hypothesis.
is CBSE datesheet for class 12 exams 2014 declared????
Ques- branching descent and natural selection are the two key concepts of darwins theory of evolution.
explain each concept with the help of suitable example. [CBSE 2011, 3 MARKS]
give a brief account of human evolution.
explain examples of homologous and analogous organs.
Define saltation and speciation with examples?
please explain the Branching Descent of darwin's theory.
what do you mean by anthropogenic action?
plz define- branching descent....
What is Protobiogenesis?
The rate of appearance f new life forms is linked with the life span of organism.Explain?
what r examples of homologous organs
can we call human evolution as adaptive radiation.
what is anthropogenic action?
how do darwin's finches illustrate adaptive radiation?
Evolution is not a direct process but a stochastic process based on chance events.
What is the ratio of water,methane and ammonia in the Miller-Urey Experiment?
plz explain :
When more than one adaptive radiation appeared to have occured in an isolated geographical area (representing diffwerent habitats) , one can call this convergent evolution.
what is stasigenesis??
how do darwin's theory of natural selection explain new forms of life on earth?
Q Anthropogenic actions have caused evolution of species. Explain with the help of two examples?
write the order in which neanderthal homohabilous and homoeractus appeared on the earth
. Is evolution a process or the end result of a process? Discuss. Describe
WHAT IS MARSUPIAL RADIATION ???
natural selection operates when nature selection for fitness. explain??? the rate of appearance of new forms is linked to the life span of an organism. explain with the help of suitable example.
what does cc mean in terms of brain capacities?for example 900 cc in homo erectus plzzz reply fasttt plzzz
what is meant by biofortification . give me its importance ?
can you please explain hardy- weinberg principle in a simplified way.
who came first,the chicken or the egg?
please explain biogenesis
what are coacervates?list characterisitc of coacervates.
What is the major difference between ramapithecus and dryopithecus?
Write your observations on the variations seen in the Darwin's finches. How did Darwin explain the existence of different varieties of finches on Galapagos Islands?
name one fish like reptile that evolved from land reptile about 200 million years ago
experiment by louis pasteur
what is panspermia and how louis pasteur use this term and hence explain spontaneous theory?
what is industrialisation?
Name the common ancestor of man and great ape?
How are heart and brain among vertebrates homologous organs? Please answer.
DDT was known to be a highly effective insecticide int the past. Why did it not wipeout all mosquito population?
explain divergent evolution with an example of plants?
pls explain me natural selection with an example.
pick out the ancestral line of cycads from the list given below
and also explain how???
________ is a connecting link between cartilaginous and bony fishes.
Its said that we human beings are evolved from monkeys and apes....so it means that our ancestors were monkeys and apes...so i havent understood that if they wre our ancestors why do they still exist in earth??m just confused because of this...when we evolved from them to human beings then why not they?i mean according to evolution even they should have evolved......please help me out with this
DESCRIBE DE VERRIES MUTATION THEORY?
what is the mean of the sentence "evolution is a stochastic process , it is not a directed process in the sense of determinism" ??????
name the primates that lived about 15 mya
list the characterisics features also
how does darwin's theory of natural selection explain the appearance of new life form on earth?
URGENT REPLY NEEDED!!
what is genetic equilibrium?and what is its relation with hardy-weinberg priciple?
How can you determine the age of a living tree?
Write a note on Origin Of Life.
explain branching descent and its relation with Darwin's Theory
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