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IgorLugansk [536]
3 years ago
15

Write meaning of demoghraphy​

Biology
2 answers:
Monica [59]3 years ago
8 0

Answer:

Demography is the study of human populations – their size, composition and distribution across space – and the process through which populations change. Births, deaths and migration are the 'big three' of demography, jointly producing population stability or change.

Explanation:

Hope it helpful

Pepsi [2]3 years ago
7 0

Answer:

Explanation:

Demography means study of population.It is derived from greek work 'Demos' which means people and 'graphein' which means study.The woed was first coined by Achille Guillard in 1855.But John Graunt is known as the father of demogrphy because he described population in demographic way.

Demography is the statical study of birth,death and migration.

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HACTEHA [7]

Answer:

The correct answer is option B. lobe-finned fish.

Explanation:

Lobe finned fishes or the Sarcopterygii is a group or clad of fish that contain the coelacanths, tetrapods, lungfish, and other fossil relatives. ray-finned fishes and lob finned fishes are the are sister groups.  

The major characteristic feature of this fish is the presence of lobe in their fins. The ancestral records explained that the land-dwelling tetrapods are evolved from the lobe-finned fishes around four four hundred million years ago.

Thus, the correct answer is option B. lobe-finned fish.

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3 years ago
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Answer:

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Explanation:

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Gnesinka [82]
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Yakvenalex [24]

Answer:

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Explanation:

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