Multiple Choice: Topic 3.2: History of Life Test 1. During which time in geologic history is Earth thought to have formed,and life first appear? A. Cenozoic Era B. Jurassic Period C. Cretaceous D. Precambrian 2. Which is an accurate statement of the differences between spontaneous generation and biogenesis? A. Spontaneous generation is the idea that life can only come from life, while biogenesis is the outdated notion that animals arise from nonliving elements of their environment. B. Spontaneous generation and biogenesis are two names for the same principle concerning the origin of life. C. Spontaneous generation is the idea that life can come from nonliving components, while biogenesis is the more modern concept that life can only arise from another living organism. D. The concept of spontaneous generation recognizes that species generate offspring when environmental conditions are favorable while biogenesis is the idea that life was created in a single event and has been unchanged ever since. Test Version 1

Question

Multiple Choice: Topic 3.2: History of Life Test 1. During which time in geologic history is Earth thought to have formed,and life first appear? A. Cenozoic Era B. Jurassic Period C. Cretaceous D. Precambrian 2. Which is an accurate statement of the differences between spontaneous generation and biogenesis? A. Spontaneous generation is the idea that life can only come from life, while biogenesis is the outdated notion that animals arise from nonliving elements of their environment. B. Spontaneous generation and biogenesis are two names for the same principle concerning the origin of life. C. Spontaneous generation is the idea that life can come from nonliving components, while biogenesis is the more modern concept that life can only arise from another living organism. D. The concept of spontaneous generation recognizes that species generate offspring when environmental conditions are favorable while biogenesis is the idea that life was created in a single event and has been unchanged ever since. Test Version 1

Answer 1

1. D. Precambrian2. C. Spontaneous generation is the idea that life can come from nonliving components, while biogenesis is the more modern concept that life can only arise from another living organism.

Answer 2

## Step1The first question is about the geologic time when Earth is believed to have formed and when life first appeared. The options provided are different eras and periods in Earth's history. The Precambrian time is the earliest part of Earth's history, which includes the formation of Earth and the appearance of the first life forms. The Cenozoic Era, Jurassic Period, and Cretaceous are all later periods in Earth's history.## Step2The second question is about the differences between spontaneous generation and biogenesis. Spontaneous generation is an outdated theory that suggests life can arise spontaneously from non-living matter. Biogenesis, on the other hand, is the modern scientific theory that life can only arise from pre-existing life. The options provided are different interpretations of these two concepts.

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