Skip to main content
Question

The outermost germ layer in a vertebrate gastrula is
the____ .
a. endoderm c. mesoderm
b. ectoderm d. dermis

Expert Solution

Want to see the full answer?

Check out a sample Q&A here
Blurred answer
Students who’ve seen this question also like:
Biology (MindTap Course List)
Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
Not helpful? See similar books
Biology (MindTap Course List)
Biology (MindTap Course List)
Animal Development. 7TYU
Similar questions
To this solution
Learn more about
Hearing And Equilibrium
marketing sidebar icon
Want to see this answer and more?
Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*
*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.

Related Biology Q&A

Find answers to questions asked by students like you.

Q: What is NOT true about embryo development? A. a morula is an earlier stage than a gastrula B.…

A: Zygote is a structure formed by the fusion of male and female gamete. The stage of development of…

Q: From which of the following is the embryo developed? a) Trophoblasts b) Blastocoelen c) The…

A: In humans the period of pregnancy is about 39-40 weeks. This is called as gestational period. During…

Q: Along the notochord, segmented blocks of tissue that give rise to muscles, vertebrae, and connective…

A: Answer is d.) somites.

Q: The inner cell mass of a human blastocysta. gives rise to the chorion.b. gives rise to the…

A: Cell is the basic unit of life. Based on the number of cells an organism may be prokaryotic or…

Q: Label each tissue with the specific source germ cells: v Gastrointestinal tract A. Intermediate…

A: We are tripoblastic organisms that means we contains three types of germ layers that includes…

Q: A gastrulation does NOT Select one: A. Consist of endoderm, mesoderm, and ectoderm B. Result in the…

A: In developmental biology, gastrulation is a stage early in the embryonic development of many…

Q: The folding of ectoderm on the top of the embryo during organogenesis produces...? Group of answer…

A: In humans, the folding of neuro-ectoderm gives rise to one of the most important structure i.e…

Q: In a reptile egg, the extraembryonic membrane thatencloses the embryo in a watery environment is…

A: Answer is b.) amnion.

Q: What structural adaptation in chickens allows them to lay theireggs in arid environments rather than…

A: The vertebrate embryo requires an aqueous environment for their development. The amphibians and…

Q: Gastrulation in a mammal would be most similar to gastrulation in a. a gecko. b. a tuna. c. an…

A: Gastrulation is a process of rearranging the cells of blastula (blastomere) into three germ layers…

Q: During the embryonic developmen, the trophoblast will developed into  Select one: A. The embryonic…

A: Developmental biology focuses on the study of developmental sequences of organisms. The embryonic…

Q: an amniotic egg was crucial to the evolution of vertebrates because it provides the following to the…

A: The amniotic egg was the crucial evolutionary step that allowed the living organisms to breed…

Q: The beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b.…

A: Gastrulation process is characterized by formation of three primary germ layers, they are ectoderm,…

Q: All fish, all birds and all mammals are A animals with internal fertilization. B carnivores. C…

A: Classification of animals includes the following phyla:Phylum - PoriferaPhylum - CnidariaPhylum -…

Q: If cells from the presumptive neural ectoderm of a frog gastrula are transplanted onto the surface…

A: The gastrula formation occurs during the early stage of cell development. During gastrulation the…

Q: Which of the following organisms would NOT undergo gastrulation? a. fungi and sponges b. worms and…

A: ANSWER Which of the following organisms would NOT undergo gastrulation? a. fungi and sponges

Q: . In humans, identical twins are possible because(A) extraembryonic cells interact with the zygote…

A: The identical twins are also referred to as monozygotic twins. This occurs from the fertilization of…

Q: The archenteron develops into(A) the mesoderm.(B) the endoderm.(C) the placenta.(D) the lumen of the…

A: Gastrulation is the process of reorganization of the blastula, a hollow structure into a two or…

Q: Embryo above pictured here is a/an O A. blastula O B. gastrula O C. planula O D. zygote

A: Human embryonic development refers to the development of embryo. It involves the process of cell…

Q: The cortical reaction of sea urchin eggs functionsdirectly in(A) the formation of a fertilization…

A: Sea urchins are the globular animals that belong to the class Echinoidea. They come under the…

Q: The cells that pull the archenteron through the blastocoel in the sea urchin are _____ cells called…

A: The early stage in the development of the embryo is referred to as gastrulation. Gastrulation is a…

Q: Which statement is true of Spemann’s organizer?a. It is unique to amphibian embryos.b. It arises…

A: Answer is a.)  it is unique to amphibian embryos.

Q: All of the following are true about humans EXCEPT: A. our zygote and early embryo cells have…

A: Introduction :- A zygote is a eukaryotic cell created when two gametes fertilise each other. The…

Q: Characteristics that evolved in birds to allow for flight includea. reptilian-like scales on the…

A: Bird anatomy has unique adaptations mainly in flight. These are light weighted organisms with very…

Q: the ectoderm of a gastrula stage vertebrate embryo, what is the major function of BMP4? a). repress…

A: Hello. Since your question has multiple parts, we will solve first question for you. If you want…

Q: The ___________________ of an egg serves as an embryos water supply while the ____________ provides…

A: The correct option is C) albumen; allantois

Q: In adults, new connective tissue cells originate from the ________. a. mesoderm b. mesenchyme c.…

A: Introduction: Collection of cells that are present in close proximity and are responsible for a…

Q: If an egg cell were treated with EDTA, a chemical that bindscalcium and magnesium ions,(A) the…

A: EDTA - Ethelene diamine tetra acetic acid is a chelating agent and is very effective chelator of…

Q: Which of the following has three germ layers? (a) morula  (b) gastrula (c) blastula (d) blastocyst…

A: Answer is b.)  gastrula.

Q: Which of the following is not derived from the ectoderm? a. adrenal medulla b. epidermis of skin c.…

A: The cell is known to be the fundamental unit of all life forms. Those who are similar in functions…

Q: All of the cell types of an adult vertebrate develop from three primary embryonic germ cell layers,…

A: The three germ layers: ectoderm, mesoderm, and endoderm give rise to various tissues. The ectoderm…

Q: The process of gastrulation forms the _______. a. blastula b. zygote c. organs d. germ layers

A: Embryogenesis refers to a process in which the development of an embryo takes place. An embryo can…

Q: At which of the following stages of development is a frog embryo composed of the most cells? Group…

A: The different stages of development in a frog are: Zygote→Morula→Blastula→Gastrulation begins→Embryo

Q: In a developing human, the first organ to form is thea. heart.b. brain.c. notochord.d. liver.

A: Answer- The organs starts to develop from the first month of the pregnancy in the humans.

Q: In humans, the development of fertilised egg takes place in the: (a) ovary (b) testis (c) oviduct…

A: Fertilization in humans refers to the fusion of human sperm and egg. This process occurs in the…

Q: Amniotic eggs, compared to non-amniotic eggs, are a useful adaptation for

A: Amniotic eggs have  extra-embryonic membranes such as amnion ,chorion and allantois which have…

Q: Which statement relating to frog gastrulation is INCORRECT? a. A second set of bottle cells…

A: Embryonic development refers to the division in zygote and growth that ultimately goes through…

Q: Hermaphroditic animals can self-fertilize, except earthworms. Why? And is this an advantageous or…

A: Earthworms are bisexual, which means male and female regenerative organs are available in same body.…

Q: Hermaphroditic animals can self-fertilize, except earthworms. Why? And is this an advantageous or…

A: Earthworms are invertebrate animals belonging to the phylum Annelida. the animals have tube-like…

Q: One of the characteristics unique to animals is(A) gastrulation.(B) multicellularity.(C) sexual…

A: Animals are multicellular, eukaryotic organisms that comprise the kingdom of Animalia. They inhale…

Q: One of the characteristics unique to animals is(A) gastrulation.(B) multicellularity.(C) sexual…

A: Organisms are open systems that maintain homeostasis, are composed of cells, have a life cycle,…

Q: One of the characteristics unique to animals is (A) gastrulation. (B) multicellularity. (C) sexual…

A: The group of heterotrophic, eukaryotic animals that do not have a cell wall is called animals. They…

Q: Name two structures derived from each of the three embryonic tissue layers: endoderm, ectoderm, and…

A: Two structures derived from each of three embryonic tissue layers are : Endoderm  gives rise to…

Q: Fetal development takes place in a relatively short amount of time. In just nine months, a…

A: The gestation period of fetal growth in 32 - 40 weeks (9-10 months). The entire gestation period is…

Q: At about day 3 after fertilization, the cells of the pre-embryoadhere tightly to each other and…

A: To answer this question we should have knowledge of Anatomy.

Q: Rose tells you her sister was only in labor 1 hour when she had her baby. Rose is planning to spend…

A: Yes we will advice her not to go for camping in her last day of pregnancy.

Q: Rose tells you her sister was only in labor 1 hour when she had her baby. Rose is planning to spend…

A: The last trimester during pregnancy is critical period. Usually medical professional advised not to…

Q: Are the extraembryonic membranes the same in all vertebrates?

A: Extraembryonic membrane  The membrane which help in development of embryo.

Q: Which of the following extra-embryonic membranes becomes the embryonic portion of the structure…

A: Extraembryonic membrane are the extra membrane that are formed outside the growing embryo . There…

Q: Which developmental stage is mismatched? a. second week—implantation b. third week—heart development…

A: Option D is mis Matched

Knowledge Booster
Biology
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.
Concept explainers
Similar questions
    • SEE MORE QUESTIONS
    Recommended textbooks for you
  • Biology (MindTap Course List)
    Biology
    ISBN:9781337392938
    Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
    Publisher:Cengage Learning
    BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
    Biology
    ISBN:9781305967359
    Author:STARR
    Publisher:CENGAGE L
    Biology: The Dynamic Science (MindTap Course List)
    Biology
    ISBN:9781305389892
    Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
    Publisher:Cengage Learning
  • Biology (MindTap Course List)
    Biology
    ISBN:9781337392938
    Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
    Publisher:Cengage Learning
    BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
    Biology
    ISBN:9781305967359
    Author:STARR
    Publisher:CENGAGE L
    Biology: The Dynamic Science (MindTap Course List)
    Biology
    ISBN:9781305389892
    Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan
    Publisher:Cengage Learning