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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?
please explain the Branching Descent of darwin's theory.
what do you mean by anthropogenic action?
What is Protobiogenesis?
plz define- branching descent....
are the wings of bird and forelimbs of horse homologous or analogous?
what r examples of homologous organs
can we call human evolution as adaptive radiation.
what is anthropogenic action?
How can you determine the age of a living tree?
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?
What is the ratio of water,methane and ammonia in the Miller-Urey Experiment?
what is stasigenesis??
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 are protobionts????????
What is abiogenesis?
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 ???
can you please explain hardy- weinberg principle in a simplified way.
1) How the ages of Fossils are calculated ?
what is meant by biofortification . give me its importance ?
How are heart and brain among vertebrates homologous organs? Please answer.
what are coacervates?list characterisitc of coacervates.
who came first,the chicken or the egg?
What is the major difference between ramapithecus and dryopithecus?
coupled to enhance reproductive success ,natural selection makes it look like different population
name one fish like reptile that evolved from land reptile about 200 million years ago
Evolution is not a direct process but a stochastic process based on chance events.
experiment by louis pasteur
what is industrialisation?
________ 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?
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?
pick out the ancestral line of cycads from the list given below
and also explain how???
pls explain me natural selection with an example.
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 rhiobiaceae ? process of root nodule formation
name the primates that lived about 15 mya
list the characterisics features also
URGENT REPLY NEEDED!!
what is genetic equilibrium?and what is its relation with hardy-weinberg priciple?
Give reason for the existence of lemur and spotted cuscus sharing the same habitat.
Divergent evolution leads to homologous structures. can u explain this statement with the help of an example?
Why is it that a baby chimpanzee skull is more similar took human skull than that of the adult chimpanzee
Write a note on Origin Of Life.
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