How does the number of embryonic tissue layers an animal have contribute to the complexity of...
Homework Answers
During Gastrulation step of embriyonic development Tissues separate to form different germ layers in majority of animals. These germ layers give rise to specific tissues and organs in the course of embriyonic development as they are genetically specified to do so. Now animals with Radial symmetry usually has two germ layers during embriyonic development and so they are called Diploblastic organism. These two layers are called endoderm and ectoderm. More complex animals with bilateral symetry have another germ layer in between endodem and ectoderm called mesoderm, giving them their name triploblasts (For three germ layers).
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And the functions of the three germ layers are .
Apart from these, Presence of celome, formation of mouth (Protostome and deterostome) plays huge role in the complexity of embrionic development.
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How
does the number of embryonic tissue layers an animal have
contribute to the complexity of...
c. Triploblastic animals: • How many tissue layers do triploblastic animals have? • Name the specific...
c. Triploblastic animals: • How many tissue layers do triploblastic animals have? • Name the specific germ layers of a triploblastic animal d. For each of these germ layers (embryonic tissue layers) you named above in a triploblastic ani give an example or two of specific adult tissues or organs that these germ layers develop into.
Part a: Name all embryonic germ layers that would have contributed to the tissues visible in...
Part a: Name all embryonic germ layers that
would have contributed to the tissues visible in the drawing (name
which visible tissue would have originated from which germ
layer)
Part b: Name the basic tissue types that are
present by giving examples
Part c: Name up to three tissues types that are
not represented in this drawing (if any are not represented).
Hair shaft -Interfollicular epidermis- Hair folliclé Papillary dermis Sebaceous gland LGR6 LRIG1 PLETI GLI1 LGR5 CD34 Reticular dermis...
When animal tissue does not have enough oxygen to support aerobic oxidation of pyruvate and NADH...
When animal tissue does not have enough oxygen to support aerobic oxidation of pyruvate and NADH produced in glycolysis, pyruvate is reduced to ethanol ketone bodies lactate acetyl co-A Next
(a) How far apart are two layers of tissue that produce echoes having round-trip times (used...
(a) How far apart are two layers of tissue that produce echoes having round-trip times (used to measure distances) that differ by 0.528 µs? (Use 1540 m/s as the speed of sound through human tissue.) If the distance between the two layers is d, how far does to sound of interest travel? What is the relationship between the distance the sound travels, the speed at which the sound travels and the time of travel? m (b) What minimum frequency...
1) Which of the following tissue type is incorrectly paired with the germ layer it originates...
1) Which of the following tissue type is incorrectly paired with the germ layer it originates from? A) Ectoderm - skin B) Mesoderm - nervous system C) Endoderm - digestive system D) all pairings are correct 2) Which of the following is a function of a skeletal system? A) body posture B) transfer of forces created by muscles C) physical protection of organs and tissues D) all of the above 3) Suppose a researcher for a pest-control company developed a...
(True/False) Animals that possess a "tube-within-a-tube” body plan have only have one opening that functions both...
(True/False) Animals that possess a "tube-within-a-tube” body plan have only have one opening that functions both as a means of obtaining food and excreting waste. (True/False) Acoelomate, pseudocoelomate, and coelomate organisms differ in the number of embryonic germ layers that are present during development.
3. Describe the cell shape of squamous, cuboidal and columnar epithelial cells. 4. Does the number of cell layers or...
3. Describe the cell shape of squamous, cuboidal and columnar epithelial cells. 4. Does the number of cell layers or the cell shape play a role in the function of the epithelial tissue? Provide three examples.
how does body organization complexity relate to body shape/size and physiological exchange with the environment?
how does body organization complexity relate to body shape/size and physiological exchange with the environment?
D) Chidanans. E) nematodes. 10) Between organs and body wall, complex animals have a body cavity...
D) Chidanans. E) nematodes. 10) Between organs and body wall, complex animals have a body cavity called a A) cnidarian. B) mesoderm. C) mesoglea. D) coelom. E) thorax. 4) In the animal kingdom, cephalization is A) development of a body that has paired structures forming a side-to-side mirror image. B) concentration of sensory structures in the head. C) the ability to respond rapidly to external stimuli. D) evolutionary development of a netlike system of veins. E) development of eyes at...
how does pax3 act as a transcription factor to support its role in embryonic development.
how does pax3 act as a transcription factor to support its role in embryonic development.
c. Triploblastic animals: • How many tissue layers do triploblastic animals have? • Name the specific germ layers of a triploblastic animal d. For each of these germ layers (embryonic tissue layers) you named above in a triploblastic ani give an example or two of specific adult tissues or organs that these germ layers develop into.
Part a: Name all embryonic germ layers that
would have contributed to the tissues visible in the drawing (name
which visible tissue would have originated from which germ
layer)
Part b: Name the basic tissue types that are
present by giving examples
Part c: Name up to three tissues types that are
not represented in this drawing (if any are not represented).
Hair shaft -Interfollicular epidermis- Hair folliclé Papillary dermis Sebaceous gland LGR6 LRIG1 PLETI GLI1 LGR5 CD34 Reticular dermis...
When animal tissue does not have enough oxygen to support aerobic oxidation of pyruvate and NADH produced in glycolysis, pyruvate is reduced to ethanol ketone bodies lactate acetyl co-A Next
1) Which of the following tissue type is incorrectly paired with the germ layer it originates from? A) Ectoderm - skin B) Mesoderm - nervous system C) Endoderm - digestive system D) all pairings are correct 2) Which of the following is a function of a skeletal system? A) body posture B) transfer of forces created by muscles C) physical protection of organs and tissues D) all of the above 3) Suppose a researcher for a pest-control company developed a...
D) Chidanans. E) nematodes. 10) Between organs and body wall, complex animals have a body cavity called a A) cnidarian. B) mesoderm. C) mesoglea. D) coelom. E) thorax. 4) In the animal kingdom, cephalization is A) development of a body that has paired structures forming a side-to-side mirror image. B) concentration of sensory structures in the head. C) the ability to respond rapidly to external stimuli. D) evolutionary development of a netlike system of veins. E) development of eyes at...
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