Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Textbook Question
Chapter 51, Problem 7TYU
Which of the following are mismatched? (a) endoderm; lining of the digestive tube (b) ectoderm; circulatory system (c) mesoderm; notochord (d) mesoderm; reproductive system (e) ectoderm; sense organs
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In the cnidaria the ectoderm cells are important because they can react to a stimulus (light) from the environment by exhibiting a response from their muscle cell as a directed movement. To do this ectoderm cells ....
A) Are the first specialized digestive cells B) Are neurocytes that have membrane receptors which react to light C) Are prokaryotic cells D) Form the first digestive organ E) Are the only cells with the Na+/k+ pumps
explain why
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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.
The cnidaria, jelly fish, are the first organisms to exhibit? a) an ectoderm layer b) endoderm layer with digestive cells that release enzymes in to a digestive structure c) ectoderm cells that specialize to become cells which react to a stimulus and produce movement d) a water-based internal environment (prebiotic ocean) between the ectoderm and the endoderm e) all are true for cnidaria
Chapter 51 Solutions
Biology (MindTap Course List)
Ch. 51.1 - Prob. 1LOCh. 51.1 - Prob. 2LOCh. 51.1 - Prob. 1CCh. 51.1 - Prob. 2CCh. 51.2 - Prob. 3LOCh. 51.2 - Prob. 4LOCh. 51.2 - How do the mechanisms of fertilization ensure...Ch. 51.2 - Prob. 2CCh. 51.3 - Prob. 5LOCh. 51.3 - Contrast early development, including cleavage, in...
Ch. 51.3 - Prob. 1CCh. 51.3 - Prob. 2CCh. 51.3 - How do the amount and distribution of cytoplasm in...Ch. 51.4 - Identify the significance of gastrulation in the...Ch. 51.4 - Prob. 1CCh. 51.4 - How do the amount and distribution of yolk...Ch. 51.5 - Prob. 8LOCh. 51.5 - Prob. 9LOCh. 51.5 - Prob. 1CCh. 51.5 - Prob. 2CCh. 51.5 - Prob. 3CCh. 51.6 - Give the origins and functions of the chorion,...Ch. 51.6 - What are the roles of the chorion and amnion in...Ch. 51.6 - What are the functions of the allantois and yolk...Ch. 51.7 - Prob. 11LOCh. 51.7 - Prob. 12LOCh. 51.7 - Prob. 1CCh. 51.7 - How does the placenta form, and what is its...Ch. 51.7 - During which trimester does the cerebrum develop...Ch. 51.7 - Prob. 4CCh. 51 - The mechanism that leads directly to morphogenesis...Ch. 51 - Prob. 2TYUCh. 51 - Prob. 3TYUCh. 51 - Prob. 4TYUCh. 51 - Meroblastic cleavage is typical of embryos formed...Ch. 51 - Prob. 6TYUCh. 51 - Which of the following are mismatched? (a)...Ch. 51 - Prob. 8TYUCh. 51 - An unidentified substance (or substances) released...Ch. 51 - Which of the following consists of both fetal and...Ch. 51 - Prob. 11TYUCh. 51 - Prob. 12TYUCh. 51 - Prob. 13TYUCh. 51 - Prob. 14TYUCh. 51 - Prob. 15TYUCh. 51 - Prob. 16TYUCh. 51 - Prob. 17TYU
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- The notochord develops primarily from (a) ectoderm, (b) neural crest, (c) mesoderm, (d) endoderm.arrow_forwardAll of the cell types of an adult vertebrate develop from three primary embryonic germ cell layers, e.g. skin epithelium originates from ____ and intestinal epithelium from ____. A)ectoderm, endoderm B)ectoderm; ectoderm C)endoderm; endoderm D)endoderm; ectodermarrow_forwardIn Deuterostomes, nutrient molecules (monomers) are taken in to the space between the endoderm and the ectoderm because... A) The ectoderm makes protein for movement B) The endoderm cells release hydrolytic enzymes that act on polymers C) The endoderm releases enzymes that conduct dehydration synthesis of proteins D) mRNA polymerase causes hydrolysis of DNA E) All are correct Explain whyarrow_forward
- The evolution of the three germ layers ( ectoderm, mesoderm, endoderm) in the evolution of complex animals is associated with the Annelids ( Earth worm), the mollusk (clam), and the Cordata (the vertebrates) which are examples of? A) Protostomes and Deuterostomes B) Just the protostomes C) Only the Deuterostomes D) Cnideria E) Proifera Explain whyarrow_forwardOne of the characteristics unique to animals is(A) gastrulation.(B) multicellularity.(C) sexual reproduction.(D) flagellated sperm.arrow_forwardwhich germ layer (tissue) gives rice to our nervous system and outer coverings. a) endotherm b) ectoderm c) mesoderm d) endodermarrow_forward
- A coelom is a body cavity completely lined with (a) epithelium (b) ectoderm (c) mesoderm (d) endoderm (e) epidermisarrow_forwardWhich of the following is an embryonic tissue found in animals? a) The blastopore b) The blastocoele c) The endoderm d) The coelom e) The echinodermarrow_forwardThe evolution / development of the skeletal system of the vertebrate is an example of the process of cellular specialization. This refers to the fact? a) all the ectoderm cells remain the same b) the cells derived from the endoderm to form osteocytes that secrete collagen c) the cells of the endoderm form chondrocytes that become notochord d) genes are activated or surpressed in the cells from the original mesoderm causing them to become chondrocytes and osteocytes the stem cells that sequentially produce the componets of the skeleton e) genes are not involved in this function?arrow_forward
- In vertebrates, what anatomical structure partially or completely replaces the notochord? 1.) lateral-line system 2.) cartilage or a bony skeleton 3.) endostyle 4.) dorsal hallow nerve cordarrow_forwardWhich of the following is not an adaptation to terrestrial living? (a) internal fertilization (b) shell surrounding egg (c) adaptations for maintaining body temperature (d) surface for gas exchange deep in body (e) ability to maintainlocationarrow_forwardIn the list of animals given below, hen is the odd one out.Human being, cow, dog, henThe reason for this is: (a) it undergoes internal fertilisation. (b) it is oviparous. (c) it is viviparous. (d) it undergoes external fertilisation.arrow_forward
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