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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????
what is stasigenesis??
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?
________ is a connecting link between cartilaginous and bony fishes.
please explain the Branching Descent of darwin's theory.
what do you mean by anthropogenic action?
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?
plz define- branching descent....
What is Protobiogenesis?
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?
how does darwin's theory of natural selection explain the appearance of new life form on earth?
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.
Why is it that a baby chimpanzee skull is more similar took human skull than that of the adult chimpanzee
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 MARSUPIAL RADIATION ???
How are heart and brain among vertebrates homologous organs? Please answer.
can you please explain hardy- weinberg principle in a simplified way.
what is meant by biofortification . give me its importance ?
who came first,the chicken or the egg?
what are coacervates?list characterisitc of coacervates.
What is the major difference between ramapithecus and dryopithecus?
name one fish like reptile that evolved from land reptile about 200 million years ago
where was the first man like animal found
experiment by louis pasteur
what is industrialisation?
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 common ancestor of man and great ape?
explain divergent evolution with an example of plants?
pls explain me natural selection with an example.
what are protobionts????????
pick out the ancestral line of cycads from the list given below
and also explain how???
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?
name the primates that lived about 15 mya
list the characterisics features also
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.
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?
According to Hardy- Weinberg's Principle. , the allele frequency of a population remains constant. How do you interpret the change of frequency of alleles in a population?
Evolution is not a direct process but a stochastic process based on chance events.
Write a note on Origin Of Life.
The rate of appearance f new life forms is linked with the life span of organism.Explain?
explain branching descent and its relation with Darwin's Theory
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