Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 27, Problem 17RQ
Plant life first appeared on land during which of the following periods?
- Cambrian period
- Ordovician period
- Silurian period
- Devonian period
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Students have asked these similar questions
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
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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 largest and most deadly of all Mass Extinctions in the history of Earth came at the end of the
Period, when only 5% of the existing species survived. Nobody knows exactly
what caused this event, so it remains a mystery to this day.
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Chapter 27 Solutions
Biology 2e
Ch. 27 - Figure 27.5 If a Hox 13 gene in a mouse was...Ch. 27 - Figure 27.6 Which of the following statements is...Ch. 27 - Figure 27.9 Which of the following statements...Ch. 27 - Which of the following is not a feature common to...Ch. 27 - During embryonic development, unique cell layers...Ch. 27 - Which of the following phenotypes would most...Ch. 27 - Which of the following organisms is most likely to...Ch. 27 - Which of the following is not possible? radially...Ch. 27 - An animal whose development is marked by radial...Ch. 27 - Consulting the modern phylogenetic tree of...
Ch. 27 - Which of the following is thought to be the most...Ch. 27 - As with the emergence of the Acoelomorpha phylum,...Ch. 27 - Which of the following periods is the earliest...Ch. 27 - What type of data is primarily used to determine...Ch. 27 - The time between 542-488 million years ago marks...Ch. 27 - Until recent discoveries suggested otherwise,...Ch. 27 - Plant life first appeared on land during which of...Ch. 27 - Approximately how many mass extinction events...Ch. 27 - Why might the evolution of specialized tissues be...Ch. 27 - Describe and give examples of how humans display...Ch. 27 - How have Hox genes contributed to the diversity of...Ch. 27 - Using the following terms, explain what...Ch. 27 - Explain some of the advantages brought about...Ch. 27 - Describe at least two major changes to the animal...Ch. 27 - How is it that morphological data alone might lead...Ch. 27 - Briefly describe at least two theories that...Ch. 27 - How is it that most if not all, of the extant...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- 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.arrow_forwardPut the geologic events in correct orderarrow_forwardArrange these events in order of occurrence, with 1 being the earliest and 6 the most recent: ___1 a. Earths first seas form ___2 b. origin of mitochondria ___3 c. first protocells form ___4 d. Precambrian ends ___5 e. origin of chloroplasts ___6 f. first animals appeararrow_forward
- Which of the following geologic and biologic events defined the Carboniferous period? The age of the dinosaurs, lush vegetation, and abundant ferns. Birds first appeared and Pangaea broke apart. Modern humans evolved and a major extinction event was ongoing. The Earth thawed, allowing for an explosion of animal diversity. Most major groups of animals arose in the resultant oceans. which were dominated by trilobites and shelled organisms. High atmospheric oxygen levels fostered giant arthropods and spore-forming plants such as lycophyte trees dominated.arrow_forwardArrange these events in order of occurrence, with 1 being the earliest and 6 the most recent. First protocell form Origin of mitochondria Origin of chloroplasts First animals appear Earth's first sea form Precambrian ends A noltesuparrow_forwardDuring which geologic eon was the Earth first colonized by living organisms? the Phanerozoic Eon the Proterozoic Eon the Archaean Eon the Hadean Eon none of the abovearrow_forward
- 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 appeararrow_forwardplease see attachedarrow_forwardAccording 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 Periodarrow_forward
- Given the life-style we live today, what pre-historic period gives us the ability to heat our homes, run our cars and have a comfortable life Group of answer choices Jurassic neogene carboniferous Cambrianarrow_forwardWhy was it believed that life began in the seas and not in land or air? * Land and air were inhospitable places for life during the Hadean Eon. Land and air were inhospitable places for life during the Archean Eon. Land and air were inhospitable places for life during the Phanerozoic Eon. Land and air were inhospitable places for life during the Proterozoic Eon.arrow_forwardFlowering plants and mammals diversified and became dominant during the (a) Paleozoic era (b) Mesozoic era (c) Cenozoic era (d) Devonian period (e) Cambrian periodarrow_forward
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