Animal Development Revised Quiz

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| By Chrissyboo1289
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Quizzes Created: 1 | Total Attempts: 878
| Attempts: 878
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  • 1/11 Questions

    What does an animal egg provide?

    • Sunlight
    • A good meal to eat
    • Nourishment for the embryo
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About This Quiz

Whether it’s a human or a different member of the animal kingdom, we all come into this world one way or another and we all develop and mature in our own different ways. What are those ways, you may ask? Take this animal development revised quiz and you’ll find out!

Animal Development Revised Quiz - Quiz

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  • 2. 

    What is a zygote?

    • A haploid cell

    • A blastula

    • A diploid cell formed from the sprem and the egg joining

    • An egg

    Correct Answer
    A. A diploid cell formed from the sprem and the egg joining
    Explanation
    A zygote is a diploid cell formed from the joining of a sperm and an egg. It is the initial cell that is formed during fertilization and contains the full set of chromosomes from both parents. This cell then undergoes rapid cell division and development to form an embryo.

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  • 3. 

    What type of cell divison is cleavage?

    • Mitosis

    • Meiosis

    Correct Answer
    A. Mitosis
    Explanation
    Cleavage is a type of cell division that occurs during the early stages of embryonic development. It involves the rapid and repeated division of cells without growth in between. This process is essential for the formation of a multicellular organism from a single-celled zygote. Cleavage is a form of mitosis, where the parent cell divides into two identical daughter cells. Meiosis, on the other hand, is a type of cell division that occurs in reproductive cells, resulting in the production of gametes with half the number of chromosomes.

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  • 4. 

    Whicch one of the following is not a germ layer that will develop into bodily structures and organs.

    • Endoderm

    • Ectoderm

    • Microderm

    • Mesoderm

    Correct Answer
    A. Microderm
    Explanation
    The correct answer is Microderm. Microderm is not a germ layer that develops into bodily structures and organs. The three primary germ layers that give rise to different tissues and organs during embryonic development are endoderm, ectoderm, and mesoderm. Endoderm develops into the innermost lining of organs such as the digestive tract and respiratory system. Ectoderm gives rise to the outermost layer of the skin, nervous system, and sensory organs. Mesoderm develops into muscles, bones, blood vessels, and other connective tissues. Microderm is not a recognized germ layer in embryonic development.

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  • 5. 

    What is the cavity called in the stage of development directly after the morula is formed?

    • Blastocoel

    • Blastula

    • Zygote

    • Morula

    Correct Answer
    A. Blastocoel
    Explanation
    After the morula is formed, the next stage of development is called the blastula stage. During this stage, a central cavity called the blastocoel forms within the morula. Therefore, the correct answer is Blastula.

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  • 6. 

    Meroblastic cleavage occurs in microlecithal eggs and holoblastic cleavage occurs at animal pole producing a cap on the egg called a blastoderm or blastodisc.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The types of cleavage should be switched holoblastic cleavage occurs in microlecithal cells.

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  • 7. 

    The animal pole can be seen in isolecithal eggs and is the side of the egg that has little yolk.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The last part of the sentence is true however, in isolecithal eggs the yolk is evenly distibuted so the animal pole is better seen in telolecithal eggs.

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  • 8. 

    Birds have what type of egg?

    • Isolecithal

    • Mesolecithal

    • Megalecithal

    • Microlecithal

    Correct Answer
    A. Megalecithal
    Explanation
    Microlecithal or isolecithal eggs are found in mammals and mesolecithal eggs are found in amphibians.

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  • 9. 

    What is the major difference between Protosomes and Deuterosomes?

    • They develop differently.

    • Protosomes go through indeterminant cleavage.

    • Deuterosomes go through indeterminate cleavage.

    Correct Answer
    A. Deuterosomes go through indeterminate cleavage.
    Explanation
    The major difference between Protosomes and Deuterosomes is their type of cleavage. While Protosomes go through indeterminant cleavage, Deuterosomes go through indeterminate cleavage. This means that in Protosomes, the fate of each cell is determined early on, while in Deuterosomes, the fate of the cells is not determined until later stages of development.

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  • 10. 

    Whicch is not a type of Deuterosomes?

    • Sea stars

    • Sea urchins

    • Cats

    • Squid

    • Birds

    Correct Answer
    A. Squid
    Explanation
    A squid is a mollusk which is a Protosome.

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  • 11. 

    The many-celled stage after cleavage of the zygot is called:

    • Blastula

    • Gastrula

    • Morula

    Correct Answer
    A. Gastrula
    Explanation
    After the process of cleavage, the zygote develops into a multicellular stage called the gastrula. During gastrulation, the blastula undergoes cell movement and rearrangement, forming three primary germ layers - ectoderm, endoderm, and mesoderm. These germ layers give rise to different tissues and organs in the developing organism. Therefore, the correct answer is Gastrula.

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Quiz Review Timeline (Updated): Mar 21, 2023 +

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 13, 2010
    Quiz Created by
    Chrissyboo1289
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