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divide the chapters of 11th and 12th as botany and zoology ? please !!!!!!!!!!!!
differentiate between divergent evolution and convergent evolution.
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?
why does the tadpole of frog resemble as fish?????????????
please explain the Branching Descent of darwin's theory.
what does cc mean in terms of brain capacities?for example 900 cc in homo erectus plzzz reply fasttt plzzz
what do you mean by anthropogenic action?
What is Protobiogenesis?
plz define- branching descent....
what r examples of homologous organs
can we call human evolution as adaptive radiation.
what is anthropogenic action?
Q Write the oparin and haldane's hypothesis about the orgin of life on earth. How does meteoritic analysis favour this hypothesis.
how do darwin's finches illustrate adaptive radiation?
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 the ratio of water,methane and ammonia in the Miller-Urey Experiment?
is coelacanth is lobefin or are theycompletely different?
mention any two activities of animals which ge cues from diurnaland seasonal variations in light intensity??
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
what is stasigenesis??
WHAT IS MARSUPIAL RADIATION ???
can you please explain hardy- weinberg principle in a simplified way.
what is meant by biofortification . give me its importance ?
what are coacervates?list characterisitc of coacervates.
who came first,the chicken or the egg?
What is the major difference between ramapithecus and dryopithecus?
name one fish like reptile that evolved from land reptile about 200 million years ago
experiment by louis pasteur
How are heart and brain among vertebrates homologous organs? Please answer.
what is industrialisation?
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
________ is a connecting link between cartilaginous and bony fishes.
Name the common ancestor of man and great ape?
explain divergent evolution with an example of plants?
pick out the ancestral line of cycads from the list given below
and also explain how???
pls explain me natural selection with an example.
explain recapitulation theory ??
DESCRIBE DE VERRIES MUTATION THEORY?
Why is it that a baby chimpanzee skull is more similar took human skull than that of the adult chimpanzee
name the primates that lived about 15 mya
list the characterisics features also
_____ provide the missing links in the evolution of the present day flora and fauna.
Divergent evolution leads to homologous structures. can u explain this statement with the help of an example?
URGENT REPLY NEEDED!!
what is genetic equilibrium?and what is its relation with hardy-weinberg priciple?
what are protobionts????????
How can you determine the age of a living tree?
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