According to Scottish geologist Charles Lyell, the Cenozoic Era (including the Eocene, Miocene, and Pliocene epochs) extended over which of the following time periods in the fossil record? the Paleozoic Era, from the start of the Cambrian into the Permian Period the “age of reptiles”, from 252 million years ago to 66 million years ago the “age of birds and mammals”, from 66 million years ago to the present day the “age of fishes”, from 541 million years ago to 252 million years ago the Mesozoic Era, from the start of the Triassic into the Cretaceous Period

According to Scottish geologist Charles Lyell, the Cenozoic Era (including the Eocene, Miocene, and Pliocene epochs) extended over which of the following time periods in the fossil record? the Paleozoic Era, from the start of the Cambrian into the Permian Period the “age of reptiles”, from 252 million years ago to 66 million years ago the “age of birds and mammals”, from 66 million years ago to the present day the “age of fishes”, from 541 million years ago to 252 million years ago the Mesozoic Era, from the start of the Triassic into the Cretaceous Period

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter23: Animals I: Major Invertebrate Groups

Section: Chapter Questions

Problem 2SA: A great adaptive radiation of animals that occurred during the _______ gave rise to modern animal...

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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
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 Cenozoic Era is often referred to as the "Age of Mammals". What primary geological and evolutionary events that occurred during this era led to this classification? The rise of flowering plants and the associated increase in insect populations The diversification and dominance of dinosaurs The extinction of non-bird dinosaurs and the subsequent adaptive radiation of mammals The first appearance of multicellular life
The great apes made their first appearance in the fossil record between 23 and 2.6 MYA, which: represents the starting and ending dates for the Paleogene Period represents the starting and ending dates for the Cretaceous Period represents the starting and ending dates for the Jurassic Period represents the starting and ending dates for the Neogene Period represents the starting and ending dates for the Triassic Period
Which of the following geologic periods is not part of the Paleozoic Era? the Carboniferous Period the Cambrian Period the Cretaceous Period the Devonian Period the Ordovician Period
The Precambrian is characterized by several major evolutionary milestones. Which of the following is a significant event that occurred during this time? The diversification of flowering plants The first appearance of dinosaurs The first appearance of photosynthetic organisms A mass extinction caused by a meteorite impact.
The eon comprising the Cambrian period up to the present is called the (1). It is divided into three eras: Paleozoic, Mesozoic, and Cenozoic. The Paleozoic era, first (2) appeared. Finally, the Cenozoic era is where (3), flourished, lasting up to this day.
Why is animal evolution during the early Cambrian referred to as an “explosion”?
After the Great Dying, we enter the Era which covers the evolutionary history of the dinosaurs up until they go extinct. Cambrian O Mesozoic Paleozoic O Cenozoic
Which of the following periods is the earliest during which animals may have appeared? a. Ordovician period b. Cambrian period c. Ediacaran period d. Cryogenian period
A great adaptive radiation of animals that occurred during the _______ gave rise to modern animal lineages. a. Precambrian c. Cambrian b. Ediacaran d. Jurassic
The first interval of Earths existence is called the ________. a. Cambrian c. Proterozoic eon b. Hadean eon d. Archean eon