BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Videos
Question
Chapter 34, Problem 2IQ
Summary Introduction
To explain: The reason how the placenta is similar to the egg of a reptile or a bird.
Introduction: Birds and reptiles both belong to the phylum Chordata. Both are vertebrates.
An amniotic egg is found in reptiles, mammals, and birds. The animal that possesses an amniotic egg is known as amniotes. Amniotic eggs have amnion that protects the embryo. The embryo is surrounded by a fluid-filled membrane called amnion and the fluid is known as the amniotic fluid.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Which of the following is an INCORRECT statement?
Question 6 options:
a)
The early embryo of a higher animal is never like a lower animal, but only like its early embryo.
b)
During the first three stages of development, blastomeres become smaller by way of each embryonic cleavage.
c)
The space inside of the neural tube will eventually become the space inside of the digestive system.
d)
A zygote results from the union of sperm and egg.
What is the correct order of development in humans?
Question 4 options:
blastocyst → zygote → morula → gastrula
morula → zygote → embryoblast → gastrula
zygote → morula → embryoblast → gastrula
zygote → morula → gastrula → blastocyst
What are the four membranes associated with amniotic eggs? What is the function of each of these membranes?
Chapter 34 Solutions
BIOLOGY (LOOSELEAF)-W/CONNECT
Ch. 34.1 - List the specific characteristics of echinoderms.Ch. 34.1 - Explain what is meant by pentaradial symmetry.Ch. 34.1 - Describe the five extant classes of echinoderms.Ch. 34.2 - List the defining characteristics of chordates.Ch. 34.2 - Prob. 2LOCh. 34.3 - Describe the nonvertebrate chordates and their...Ch. 34.4 - Prob. 1LOCh. 34.4 - Prob. 2LOCh. 34.5 - Prob. 1LOCh. 34.5 - Prob. 2LO
Ch. 34.6 - Prob. 1LOCh. 34.6 - Prob. 2LOCh. 34.7 - Prob. 1LOCh. 34.7 - Prob. 2LOCh. 34.7 - Prob. 3LOCh. 34.8 - Prob. 1LOCh. 34.8 - Prob. 2LOCh. 34.9 - Prob. 1LOCh. 34.9 - Prob. 2LOCh. 34.10 - Describe the characteristics and major groups of...Ch. 34.10 - Prob. 2LOCh. 34.10 - Prob. 3LOCh. 34 - Prob. 1IQCh. 34 - Prob. 2IQCh. 34 - Which of the following structures is not a...Ch. 34 - Which of the following statements regarding all...Ch. 34 - In the figure, item A is the ______ and item B is...Ch. 34 - Prob. 4UCh. 34 - The ____ of the bony fish evolved to counter the...Ch. 34 - Why was the evolution of the pulmonary veins...Ch. 34 - Which of the following groups lacks a...Ch. 34 - All of the following are characteristics of...Ch. 34 - Which of the following evolutionary adaptations...Ch. 34 - The reason that birds and crocodilians both build...Ch. 34 - Prob. 2ACh. 34 - The fact that monotremes lay eggs a. indicates...Ch. 34 - Prob. 1SCh. 34 - Some people state that the dinosaurs have not gone...Ch. 34 - In what respect is the evolutionary...
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
- Division of human egg is a) Holoblastic and equal b) Holoblastic and unequal c) Isoblastic d) Meroblasticarrow_forwardWhich of the following rows correctly identifies the development of the germ layers? Select one: A. Endoderm Mesoderm Ectoderm Placenta Muscle Hair and nails B. Endoderm Mesoderm Ectoderm Stomach and intestine Lining Reproductive system Brain and Spinal Cord C. Endoderm Mesoderm Ectoderm Muscle Bones Epidermis D. Endoderm Mesoderm Ectoderm Lungs and stomach linings Heart and Lungs Liver and pancreasarrow_forwardWhat are the four extraembryonic membranes of amniotic eggs of birds and other reptiles and what is the function of each membrane?arrow_forward
- what characteristics are shared among bird embryos, pig embryos, and human embryos?arrow_forwardWhat structures carry the egg from the ovaries to the uterus? Are these structures the same in all the examined animal ,how do they differ ?arrow_forwardWhich of the following is true about Sea urchin blastula formation and fate map? a) ectoderm that develops into the larval skin and neurons, is regularly produced by the vegetal half of the embryo. b) an1 layer generates cells that can enter either the ectodermal or endodermal organs of the larva. c) veg2 layer forms the endoderm, coelom (internal mesodermal body wall), and the non- skeletogenic mesenchyme. d) small micromeres differentiate into the PGCS e) large micromeres differentiate into the secondary mesenchyme cellsarrow_forward
- What are the consequences of the differences in the yolk amount and distribution of eggs among animals?arrow_forwardMrs. Robinson is comparing the embryos of parrot fish and salamanders. Although the adult organisms look very different, the embryos follow similar developmental patterns. What does this similarity suggest?arrow_forwardWhy are blastomeres in the pigmented part of the egg smaller and more numerous than in the non-pigmented area? What do you call the large and small cells that arise from this cleaving process?arrow_forward
- Mammals have unique reproductive adaptations that have contributed to their evolutionary success. One of the distinguishing characteristics of mammals is their mammary glands, which allow for the production of milk. Even the more primitive mammals, such as the duck-billed platypus and the kangaroo, have some type of mammary glands. However, only the placental mammals (e.g. humans, horses, dogs) have a placenta, which supports the internal development of the embryo. The most primitive mammals have no placenta and can’t support the internal development of the embryo. Describe one function of the placenta found in mammals such as humans, horses, and dogs.arrow_forwardMammals have unique reproductive adaptations that have contributed to their evolutionary success. One of the distinguishing characteristics of mammals is their mammary glands, which allow for the production of milk. Even the more primitive mammals, such as the duck-billed platypus and the kangaroo, have some type of mammary glands. However, only the placental mammals (e.g. humans, horses, dogs) have a placenta, which supports the internal development of the embryo. The most primitive mammals have no placenta and can’t support the internal development of the embryo. Describe one advantage for an offspring to develop internally as opposed to developing externally (this means inside vs. outside the female’s womb/body)arrow_forwardMammals have unique reproductive adaptations that have contributed to their evolutionary success. One of the distinguishing characteristics of mammals is their mammary glands, which allow for the production of milk. Even the more primitive mammals, such as the duck-billed platypus and the kangaroo, have some type of mammary glands. However, only the placental mammals (e.g. humans, horses, dogs) have a placenta, which supports the internal development of the embryo. The most primitive mammals have no placenta and can’t support the internal development of the embryo. Identify one factor, besides genetic factors, that could influence the development of human offspring.arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Biology (MindTap Course List)BiologyISBN:9781337392938Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. BergPublisher:Cengage Learning
Biology Today and Tomorrow without Physiology (Mi...BiologyISBN:9781305117396Author:Cecie Starr, Christine Evers, Lisa StarrPublisher:Cengage Learning
Biology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStax
Biology (MindTap Course List)
Biology
ISBN:9781337392938
Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher:Cengage Learning
Biology Today and Tomorrow without Physiology (Mi...
Biology
ISBN:9781305117396
Author:Cecie Starr, Christine Evers, Lisa Starr
Publisher:Cengage Learning
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Embryology | Fertilization, Cleavage, Blastulation; Author: Ninja Nerd;https://www.youtube.com/watch?v=8-KF0rnhKTU;License: Standard YouTube License, CC-BY