Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134256283
Author: Audesirk
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 18, Problem 7FTB
Amphibians gave rise to ____________, which had three important adaptations to life on dry land: shelled, waterproof __________; scaly, water-resistant; and more efficient ________.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which is NOT a characteristic of all chordates
Group of answer choices
phalangeal slits
post-anal tail
notochord
vertebral column
Tetrapods evolved from_______ . a. sharks c. lobe-finned fishes b. teleosts d. placoderms
Match the benefit to the correct chordate adaptation. (match each number to the correct letter)
1. allows organisms to walk on land
2. allows organisms to lay eggs on land, without water
3. allows organisms to generate their own heat
4. provides a rigid structure for muscles
A.bony skeleton
B. Ectotherm
C. Tetrapod
D. Amniotic eggs
E. Endotherm
F. Seeds
Chapter 18 Solutions
Biology: Life on Earth (11th Edition)
Ch. 18 - 1. Almost all of the oxygen gas in today’s...Ch. 18 - Extinction a. generally does not occur except...Ch. 18 - 3. In the endosymbiotic origin of the...Ch. 18 - 4. Which of the following does not list...Ch. 18 - Prob. 5MCCh. 18 - 1. Because there was no oxygen in the earliest...Ch. 18 - 2. The molecule ________ became a candidate for...Ch. 18 - 3. Complex cells that contain a nucleus and other...Ch. 18 - 4. The sperm of early land plants had to reach the...Ch. 18 - 5. Early plants that protected their seeds within...
Ch. 18 - Prob. 6FTBCh. 18 - Amphibians gave rise to ____________, which had...Ch. 18 - 1. What is the evidence that life might have...Ch. 18 - Prob. 2RQCh. 18 - 3. Explain the endosymbiont hypothesis for the...Ch. 18 - 4. Name two advantages of multicellularity for...Ch. 18 - What advantages and disadvantages would...Ch. 18 - 6. Outline the major adaptations that emerged...Ch. 18 - Outline the evolution of humans from early...Ch. 18 - Extinctions have occurred throughout the history...Ch. 18 - In biological terms, what do you think was the...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- All chordates have a _______ as embryos. a. backbone b. jaws c. notochord d. kidneysarrow_forwardOrrorin tugenesis was bipedal because it left footprints that showed it had an arch to its foot like modern humans. True or Falsearrow_forwardSuppose you find an animal that has a lateral line and a skeleton made out of cartilage. What class would you put it in? Group of answer choices A. Reptilia B. Amphibia C. Chondrichthyes D. Osteichthyes E. Mammaliaarrow_forward
- Hagfish, lampreys, sharks, and tuna are all chordates that can also be classified into which group? a. Craniates b. Vertebrates c. Cartilaginous fish d. Cephalocordataarrow_forwardDescribe three characteristics of ambphibians. Think about reproductive needs, psyhical adaptations, preferred habitats. Think about how they differ from reptiles.arrow_forwardBony fish belong to classarrow_forward
- Which clade does not include humans?(A) synapsids(B) lobe-fins(C) diapsids(D) osteichthyansarrow_forwardMembers of Chondrichthyes are thought to be descended from fishes that had ________. a. a cartilaginous skeleton b. a bony skeleton c. mucus glands d. slime glandsarrow_forwardHadrosaur is May have been the only _____ dinosaursarrow_forward
- Tetrapod limbs with joints, to allow for dexterity in terrestrial habitats, and a 3-chambered heart, first appeared in which of the following chordate groups (between 359 and 299 MYA)? the amphibians the mammals the birds the reptiles the agnathansarrow_forwardWhich of the following is NOT a characteristic of all reptiles? A Use lungs and skin for respiration B Lay eggs on land C Their body is covered with scales made of keratin D Their skin secretes a mucous to keep it moistarrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
Biology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage Learning
Biology Today and Tomorrow without Physiology (Mi...
Biology
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cengage Learning
From Sea to Changing Sea | Early Life in the Oceans || Radcliffe Institute; Author: Harvard University;https://www.youtube.com/watch?v=Ac0TmDf5Feo;License: Standard youtube license