Ecologist Robert Macarthur observed that five species of similar warblers coexisted on spruce trees because they

TLS Online TPP Program

#Question id: 18592

#Unit 11. Evolution and Behavior

Flowering plant first appeared in___

TLS Online TPP Program

#Question id: 18591

#Unit 11. Evolution and Behavior

First green plants and fungi appeared on the land during which period?

TLS Online TPP Program

#Question id: 18590

#Unit 11. Evolution and Behavior

Origin of life starts from which geological time period?

TLS Online TPP Program

#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.

TLS Online TPP Program

#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;

TLS Online TPP Program

#Question id: 5032

#Unit 11. Evolution and Behavior

There is still some controversy among biologists about whether Neanderthals should be placed within the same species as modern humans, or into a separate species of their own. Most DNA sequence data analyzed so far indicate that there was probably little or no gene flow between Neanderthals and Homo sapiens. Which species concept is most applicable in this example?