A biologist discovers a new unicellullar organism that possesses more than two flagella and two small, but equal-sized, nuclei. The organism has reduced

mitochondria (mitosomes), no chloroplasts, and is anaerobic. To which clade does this organism probably belong?

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#Question id: 17264

#Unit 11. Evolution and Behavior

The strata of sedimentary rocks in the different regions of the world, have classified geologic history into eras;

Column I	Column II
P. Archeozoic	i) era of medieval life
Q. Proterozoic	ii) era of ancient life
R. Paleozoic	iii) era of primitive life
S. Mesozoic	iv) era of modern life
T. Cenozoic	v) era of early life

Match the following;

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#Question id: 17265

#Unit 11. Evolution and Behavior

Match the geological time period with the diversification events associated with them:

	COLUMN I		COLUMN II
P.	Cretaceous	i)	First vertebrate appeared, abundant of marine algae
Q.	Devonian	ii)	Seeds ferns disappear, appearance of first dinosaurs
R.	Ordovician	iii)	Rapid development of angiosperms and Extinction of dinosaurs.
S.	Triassic	iv)	First definite evidence of land plant, first wingless insect.
T.	Silurian	v)	First amphibians and first seed plant appear.

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#Question id: 17266

#Unit 11. Evolution and Behavior

First human social life in vertebrates and decline of woody plants appeared in ____

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#Question id: 17666

#Unit 11. Evolution and Behavior

 In the Mesozoic era, periods included;

A. Cretaceous

B. Jurassic

C. Triassic

i) Increase of dicotyledons

ii) Seeds ferns disappear

iii) Rapid development of angiosperms

iv) Spread of cycads and conifers

v) Gymnosperms declined

Find out the correct match of given period with their plants diversification events;

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#Question id: 17667

#Unit 11. Evolution and Behavior

Jurassic periods belong to the Mesozoic era has various characteristics of invertebrates and vertebrates animals except;

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#Question id: 17810

#Unit 11. Evolution and Behavior

Triassic period of Mesozoic era has characteristics by___