This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: In a sequence of rock layers we find trilobite fossils at the bottom of rock layer 1 and dinosaur ... (Read 82 times)

Mr.Thesaxman

  • Hero Member
  • *****
  • Posts: 514
on: Jul 29, 2018
In a sequence of rock layers we find trilobite fossils at the bottom of rock layer 1 and dinosaur fossils directly above the fossil trilobites in layer 2. There are inclusions of trilobites in layer 2. We conclude that
 
  A) dinosaurs were extinct long before trilobites came into existence.
  B) dinosaurs are from the Cambrian Period.
  C) by inclusion and faunal succession, layer 1 is older than layer 2.
  D) there is no time gap between the rocks.

Question 2

Fossils are found in
 
  A) sedimentary rocks.
  B) metamorphic rock.
  C) igneous rocks.
  D) sedimentary and some metamorphic rocks.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Qarqy

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 29, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D


Mr.Thesaxman

  • Member
  • Posts: 514
Reply 2 on: Jul 29, 2018
:D TYSM

debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Morphology of the trilobite cephalon. Morphology of the trilobite cephalon.
Discovering Fossils 07-30 Discovering Fossils 07-30
Rock and Plastic Rock and Plastic
Pre–Main-Sequence Stars Pre–Main-Sequence Stars
How to find all angles of a triangle when only the side lengths are given How to find all angles of a triangle when only the side lengths are given
How to find the reaction for each of the beams below. How to find the reaction for each of the beams below.
Video: Chemical Synapse Animation

For a complete list of videos, visit our video library