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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....
what r examples of homologous organs
can we call human evolution as 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 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?
Why is it that a baby chimpanzee skull is more similar took human skull than that of the adult chimpanzee
What is the ratio of water,methane and ammonia in the Miller-Urey Experiment?
evolution is a change in gene frequencies in population in response to change in the environment in a time scale of years and not centuries.Justify this statement with reference to DDT.how does Hugo de Vries theory support this
How are heart and brain among vertebrates homologous organs? Please answer.
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.
what is meant by biofortification . give me its importance ?
what are coacervates?list characterisitc of coacervates.
who came first,the chicken or the egg?
fitnessis the end result of the ability to adapt and get selected by Nature. Explain with suitable example
What is the major difference between ramapithecus and dryopithecus?
1) How the ages of Fossils are calculated ?
name one fish like reptile that evolved from land reptile about 200 million years ago
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?
pick out the ancestral line of cycads from the list given below
and also explain how???
pls explain me natural selection with an example.
from newspapers and popular science articles any new fossil
discoveries or controversies about evolution.
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
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?
How can you determine the age of a living tree?
define gene pool
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