The number of 500 nanometer long waves that would fit along a two-centimeter line. Introduction: One centimeter is equal to 10 7 nanometer. Two centimeter is equal to 20,000,000 nanometer ( 2 × 10 7 ) .

Question

6. Refer to Figure 12.12 in answering the following questions (Invertebrate Trace Fossils): I. What type of extinct marine arthropod may have produced the crawling trace in Figure 12.12A? II. What kind of marine invertebrate may have produced the trace fossil called Asteriacites (Fig. 12.12B)? Also comment on whether the trace represents crawling, resting, or feeding. III. What type of behavior is indicated by the trace fossil depicted in Figure 12.12C? Also comment on the type of brachiopod that could have produced the vertical tube such as this. IV. What type of behavior is indicated by the trace fossil in Figure 12.12E? B D Figure 12.12. Traces that reflect animal behavior. E

Answer 1

Question

Chapter 24, Problem 4LR

Summary Introduction

The number of 500 nanometer long waves that would fit along a two-centimeter line.

Introduction:

One centimeter is equal to 10⁷ nanometer. Two centimeter is equal to 20,000,000 nanometer (2×107).

Expert Solution & Answer

Trending nowThis is a popular solution!

See solution

Check out sample textbook solution

Students have asked these similar questions

6. Refer to Figure 12.12 in answering the following questions (Invertebrate Trace Fossils): I. What type of extinct marine arthropod may have produced the crawling trace in Figure 12.12A? II. What kind of marine invertebrate may have produced the trace fossil called Asteriacites (Fig. 12.12B)? Also comment on whether the trace represents crawling, resting, or feeding. III. What type of behavior is indicated by the trace fossil depicted in Figure 12.12C? Also comment on the type of brachiopod that could have produced the vertical tube such as this. IV. What type of behavior is indicated by the trace fossil in Figure 12.12E? B D Figure 12.12. Traces that reflect animal behavior. E

1. Based on the fossils present (the branching twig bryozoa, trilobite pygidia, and strophomenid brachiopods) in the accompanying Figure 12.2A, what is the age of this limestone? Explain. The figures in Chapters 10 and 11 will be useful in answering the question. (Fossils and Age Determinations) Figure 12.2A Slab of limestone containing fossils for interpreting the geologic age and depositional environment.

5. Refer to Figure 12.11 in answering the following questions (The Habitat of Marine Life): I. During which geologic era were the two lower units deposited? II. During which geologic era was the uppermost unit deposited? III. What statement can be made about the age of the unit containing fossil remains of hardwood trees? till femur and tusk of woolly mammoth conifer and oak fossils Cool fern and scale-tree fossils corals, bryozoa, brachiopods Figure 12.11 The use of fossils as indicators of ancient climates.