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problem 1: Fill up the blanks:

a) The first primates originated regarding _________million years ago in _________.

b) The capability to tie a knot in the neck-tie is a result of the adaptation in the form of ___________ vision.

c) The first hominid species to live a human type of existence on this earth was __________.

d) Monkeys, apes and humans belong to the order ______ of primates.

e) Increase in human population was first observed when there was a change from hunter-gatherer man to ______ man.

f) Population of humans reached 1 billion in the year _____.

g) The world population now is above __________ billion.

h) Exponential growth in the population coincided with the ______ revolution.

problem 2: True or False:

a) Only apes and humans are hominoids.

b) Homo sapiens have been successful on earth since of their highly rigid and elastic nature.

c) The completely opposable thumb in the limbs is an adaptation for climbing the trees.

d) Flattening of snout, shortening of jaws and placing of two eyes on front led to the stereoscopic vision in the hominids.

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  • Category:- Science
  • Reference No.:- M98218

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