The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

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Answer 1

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Chapter 33.4, Problem 7SAQ

Summary Introduction

The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

Expert Solution & Answer

Explanation of Solution

Cambrian explosion is the term that indicates a burst of animal diversity. During the Cambrian period, the body plans characteristic of most bilateral phyla took shape. This period of rapid diversification in the fossil record is known as the Cambrian explosion.

The fossil record reveals that a large accumulation of new characters in a comparatively short span of time during which the important attributes of modern animal phyla emerged. For instance, arthropods possess segmented bodies with jointed legs, a protective cuticle, compound eyes with several lenses, and other appendages for feeding and sensing the surroundings. Cambrian fossils encompass the remains of organisms with some, however, not all, of the major features exist currently in arthropods

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a. What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent. b. What will happen to elimination of the drug in the previous question if the system is saturated? explain and show any math involved

If you wanted to reduce the difference between peak and trough levels that occur with repeated administration of a drug, how would you adjust the dose and dose interval without changing the plateau concentration (plateau is the average of peak and trough levels)? Select your answers for both dose and interval. Hint: It may be helpful to think about this problem using an example such as food. How would you eat if you wanted to maintain very steady hunger/satiety levels without changing your total caloric intake? Options: A. Dose; Increase dose B. Dose; Decrease dose C. Dose; Do not change dose D. Interval; Increase the interval between doses (give the drug less frequently) E. Interval; Decrease the interval between doses (give the drug more frequently) F. Interval; Do not change the interval

What percentage of a drug is eliminated after 4 half-lives? Please round to the nearest percent. Show the math

Answer 2

Question

Chapter 33.4, Problem 7SAQ

Summary Introduction

The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

Expert Solution & Answer

Explanation of Solution

Cambrian explosion is the term that indicates a burst of animal diversity. During the Cambrian period, the body plans characteristic of most bilateral phyla took shape. This period of rapid diversification in the fossil record is known as the Cambrian explosion.

The fossil record reveals that a large accumulation of new characters in a comparatively short span of time during which the important attributes of modern animal phyla emerged. For instance, arthropods possess segmented bodies with jointed legs, a protective cuticle, compound eyes with several lenses, and other appendages for feeding and sensing the surroundings. Cambrian fossils encompass the remains of organisms with some, however, not all, of the major features exist currently in arthropods

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Answer 3

Question

Chapter 33.4, Problem 7SAQ

Summary Introduction

The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

Expert Solution & Answer

Explanation of Solution

Cambrian explosion is the term that indicates a burst of animal diversity. During the Cambrian period, the body plans characteristic of most bilateral phyla took shape. This period of rapid diversification in the fossil record is known as the Cambrian explosion.

The fossil record reveals that a large accumulation of new characters in a comparatively short span of time during which the important attributes of modern animal phyla emerged. For instance, arthropods possess segmented bodies with jointed legs, a protective cuticle, compound eyes with several lenses, and other appendages for feeding and sensing the surroundings. Cambrian fossils encompass the remains of organisms with some, however, not all, of the major features exist currently in arthropods

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Answer 4

Question

Chapter 33.4, Problem 7SAQ

Summary Introduction

The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

Expert Solution & Answer

Explanation of Solution

Cambrian explosion is the term that indicates a burst of animal diversity. During the Cambrian period, the body plans characteristic of most bilateral phyla took shape. This period of rapid diversification in the fossil record is known as the Cambrian explosion.

The fossil record reveals that a large accumulation of new characters in a comparatively short span of time during which the important attributes of modern animal phyla emerged. For instance, arthropods possess segmented bodies with jointed legs, a protective cuticle, compound eyes with several lenses, and other appendages for feeding and sensing the surroundings. Cambrian fossils encompass the remains of organisms with some, however, not all, of the major features exist currently in arthropods

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Answer 5

Chapter 33.4, Problem 7SAQ

Summary Introduction

The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

Expert Solution & Answer

Explanation of Solution

Cambrian explosion is the term that indicates a burst of animal diversity. During the Cambrian period, the body plans characteristic of most bilateral phyla took shape. This period of rapid diversification in the fossil record is known as the Cambrian explosion.

The fossil record reveals that a large accumulation of new characters in a comparatively short span of time during which the important attributes of modern animal phyla emerged. For instance, arthropods possess segmented bodies with jointed legs, a protective cuticle, compound eyes with several lenses, and other appendages for feeding and sensing the surroundings. Cambrian fossils encompass the remains of organisms with some, however, not all, of the major features exist currently in arthropods

Answer 6

Chapter 33.4, Problem 7SAQ

Summary Introduction

The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

Expert Solution & Answer

Explanation of Solution

Cambrian explosion is the term that indicates a burst of animal diversity. During the Cambrian period, the body plans characteristic of most bilateral phyla took shape. This period of rapid diversification in the fossil record is known as the Cambrian explosion.

The fossil record reveals that a large accumulation of new characters in a comparatively short span of time during which the important attributes of modern animal phyla emerged. For instance, arthropods possess segmented bodies with jointed legs, a protective cuticle, compound eyes with several lenses, and other appendages for feeding and sensing the surroundings. Cambrian fossils encompass the remains of organisms with some, however, not all, of the major features exist currently in arthropods

Answer 7

Chapter 33.4, Problem 7SAQ

Summary Introduction

The Cambrian period is considered as the first geological time period of the Paleozoic Era. This period is very crucial in the history of life that exist on the earth. We begin to see various fossilized remains of animals of the Cambrian period. Sometimes this event is referred to as the Cambrian explosion.

Answer 8

Expert Solution & Answer

Explanation of Solution

Cambrian explosion is the term that indicates a burst of animal diversity. During the Cambrian period, the body plans characteristic of most bilateral phyla took shape. This period of rapid diversification in the fossil record is known as the Cambrian explosion.

The fossil record reveals that a large accumulation of new characters in a comparatively short span of time during which the important attributes of modern animal phyla emerged. For instance, arthropods possess segmented bodies with jointed legs, a protective cuticle, compound eyes with several lenses, and other appendages for feeding and sensing the surroundings. Cambrian fossils encompass the remains of organisms with some, however, not all, of the major features exist currently in arthropods