Concept explainers
Why is the fossil record incomplete?
a. | Because many organisms with soft body parts never fossilize. |
b. | Because many fossils are destroyed by geological events |
c. | Because many fossils are buried where no one will ever find them |
d | All of the above are correct. |
Introduction:
Fossils are dead remains of the organism that existed during prehistoric times. Fossil study helps in the estimation of the evolutionary relationship among the organism. These also provide information about the nature of climatic condition during early periods of the Earth’s history.
Answer to Problem 1MCQ
Correct answer:
Many organisms with soft body parts never fossilize, many fossils are destroyed by the geological events, and some fossils are present where no one can locate them. This is the reason for the incomplete fossil records. Hence, the correct answer is option d.
Explanation of Solution
Reason for correct answer:
Option d. is given as, “All of the above are correct.”
Fossil records are incomplete because many organisms with soft body parts never become fossilized, some fossils are destroyed during geological events such as continental drifts, and many fossils are buried at places where no one can ever find them.
Reason for incorrect answer:
Option a. is given as, “because many organisms with soft body parts never fossilize.”
The organism with soft body parts such as sponges and algae never fossilize because the soft body of the organism often mixes with the sediments. However, this is not the only reason for the incomplete fossil records. Hence, option a. is incorrect.
Option b. is given as, “because many fossils are destroyed by geological events.”
The major geologic events such as the movement of continental plates and glacier retreat destroy the fossils. This is one of the reasons that fossil records are incomplete. Hence, option b. is incorrect.
Option d. is given as, “because many fossils are buried where no one will ever find them.”
Many fossils of the aquatic organism are buried under the deep oceanic levels and are difficult to study. However, this is just one of the reasons for fossil records to be incomplete.
Hence, option c. is incorrect.
Hence, the options a., b., and c. are not incorrect but incomplete.
Fossil records are incomplete because many of the organisms with soft body parts never fossilize, many fossils destroyed by the geological events, and many fossils are present where no one can locate them. Thus, the correct option is d.
Want to see more full solutions like this?
Chapter 13 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
- View History Bookmarks Window Help Quarter cements ents ons (17) YouTube Which amino acids would you expect to find marked on the alpha helix? canvas.ucsc.edu ucsc Complaint and Grievance Process - Academic Personnel pach orations | | | | | | | | | | | | | | | | 000000 000000000 | | | | | | | | | | | | | | | | | | | | | | 00000000 scope vious De 48 12.415 KATPM FEB 3 F1 F2 80 F3 a F4 F5 2 # 3 $ 85 % tv N A の Mon Feb 3 10:24 PM Lipid bilayer Submit Assignment Next > ZOOM < Å DII 8 བ བ F6 16 F7 F8 F9 F10 34 F11 F12 & * ( 6 7 8 9 0 + 11 WERTY U { 0 } P deletearrow_forwardDifferent species or organisms research for ecologyarrow_forwardWhat is the result of the following gram stain: positive ○ capsulated ○ acid-fast ○ negativearrow_forward
- What type of stain is the image below: capsule stain endospore stain gram stain negative stain ASM MicrobeLibrary.org Keplingerarrow_forwardWhat is the result of the acid-fast stain below: Stock Images by Getty Images by Getty Images by Getty Images by Getty Image Getty Images St Soy Getty Images by Getty Images by Getty Images Joy Getty encapsulated O endosporulating negative ○ positivearrow_forwardYou have a stock vial of diligence 75mg in 3ml and need to draw up a dose of 50mg for your patient.how many mls should you draw up to give this dosearrow_forward
- You are recquired to administer 150mg hydrocortisone intravenously,how many mls should you give?(stock =hydrocortisone 100mg in 2mls)arrow_forwardIf someone was working with a 50 MBq F-18 source, what would be the internal and external dose consequences?arrow_forwardWe will be starting a group project next week where you and your group will research and ultimately present on a current research article related to the biology of a pathogen that infects humans. The article could be about the pathogen itself, the disease process related to the pathogen, the immune response to the pathogen, vaccines or treatments that affect the pathogen, or other biology-related study about the pathogen. I recommend that you choose a pathogen that is currently interesting to researchers, so that you will be able to find plenty of articles about it. Avoid choosing a historical disease that no longer circulates. List 3 possible pathogens or diseases that you might want to do for your group project.arrow_forward
- not use ai pleasearrow_forwardDNK dagi nukleotidlar va undan sintezlangan oqsildagi peptid boglar farqi 901 taga teng bo'lib undagi A jami H boglardan 6,5 marta kam bo'lsa DNK dagi jami H bog‘lar sonini topingarrow_forwardOne of the ways for a cell to generate ATP is through the oxidative phosphorylation. In oxidative phosphorylation 3 ATP are produced from every one NADH molecule. In respiration, every glucose molecule produces 10 NADH molecules. If a cell is growing on 5 glucose molecules, how much ATP can be produced using oxidative phosphorylation/aerobic respiration?arrow_forward
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax CollegeBiology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
- Human Biology (MindTap Course List)BiologyISBN:9781305112100Author:Cecie Starr, Beverly McMillanPublisher:Cengage LearningBiology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage LearningBiology: The Dynamic Science (MindTap Course List)BiologyISBN:9781305389892Author:Peter J. Russell, Paul E. Hertz, Beverly McMillanPublisher:Cengage Learning