#Question id: 17265
#Unit 11. Evolution and Behavior
| 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. |
#Question id: 17264
#Unit 11. Evolution and Behavior
| 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 |
#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?
#Question id: 5016
#Unit 11. Evolution and Behavior
Approximately how far back in time does the fossil record extend?
#Question id: 5013
#Unit 11. Evolution and Behavior
Following is correct match
| Periods | Age of evolutionary event |
| A- Jurassic | I- Fish |
| B- Ordovician | II- Amphibian |
| C- Devonian | III- Gymnosperm |
| D-Carbonyferous | IV- Invertebrates |
#Question id: 4930
#Unit 11. Evolution and Behavior
Which of the following is the correct sequence of events in the origin of life?
I. Formation of protocells
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems