Cartilaginous fishes made their first appearance in the fossil record between 444 and 419 MYA, which represents the starting and ending dates for the Carboniferous Period which represents the starting and ending dates for the Silurian Period which represents the starting and ending dates for the Cambrian Period which represents the starting and ending dates for the Jurassic Period which represents the starting and ending dates for the Devonian Period

Cartilaginous fishes made their first appearance in the fossil record between 444 and 419 MYA, which represents the starting and ending dates for the Carboniferous Period which represents the starting and ending dates for the Silurian Period which represents the starting and ending dates for the Cambrian Period which represents the starting and ending dates for the Jurassic Period which represents the starting and ending dates for the Devonian Period

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter18: Life's Origin And Early Evolution

Section: Chapter Questions

Problem 15SA: Arrange these events in order of occurrence, with 1 being the earliest and 6 the most recent: ___1...

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Table 10: Some Important Events in Geologic Time Era offspr Period Triassic Epoch Event Age of Reptiles begins Beginning of the Age of Mammals Eon Phanerozoic Mesozoic Early humans first appear Eukaryotes first appear First living things appear Fish with bony skeletons first аppear Formation of Pangaea Formation of present-day continents Land plants first appear Modern humans first appear
The “age of fishes”, which began with the Cambrian Period (about 541 million years ago), and ended with the Permian/Triassic extinction event (about 252 million years ago), is also known as: the Mesozoic Era the “age of birds and mammals” the Cenozoic Era the “age of reptiles” the Paleozoic Era
Scientists who study forms of marine life that lived more than200 million years ago usually obtain fossils not from the sea floor, butfrom areas that were once under sea and have been uplifted onto thecontinents. Why?
why is it not 55-34; Eocene if the Eocene period was 55 million - 34 million years ago as opposed to the Paleocene which was 65 million - 55 million years ago?
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Using tables 2.1 and 2.2 as references, fill out the following table. The first item is given as an example. Table 2.6: Some Important Events in Geologic Time Event Eon Era Period Epoch Age of Reptiles begins Phanerozoic Mesozoic Triassic ____ Beginning of the Age of Mammals Early humans first appear Eukaryotes first appear First living things appear Fish with bony skeletons first appear Formation of Pangaea Formation of present-day continents Land plants first appear Modern humans first appear
The Mesozoic Era is referred to as the: * O Age of Ages O Age of Reptiles O Age of Arthropods Age of Fish and Amphibians O Age of Mammals O Other:
Feathers, which evolved from modified reptilian scales, show up in the fossil record at the end of the Period. This is the same Period where earlier true mammals also appear in the fossil record and diversify, although they stay quite small and rodent like. Permian Jurassic Cretaceous Triassic