Adaptive ability (AKA genetic plasticity) is the key to animal success throughou

Question

Adaptive ability (AKA genetic plasticity) is the key to animal success throughout the biological world. For each of the following, please explain how the transition is advantageous to animal success, what anatomical and physiological modifications had to be made, and give a specifical animal example to support your argument. (1) transition from a common gut to a tube within a tube design. (2) transition from aquatic lifestyle to terrestrial existence. (3) development of a complex nervous system with specialized sensory organs. (4) transition from direct, isolated circulation to counter-current systems (5) transition from the hydrostatic skeleton to the exoskeleton and then to the endoskeleton design. -answers do not have to be very complex, just very thorough Adaptive ability (AKA genetic plasticity) is the key to animal success throughout the biological world. For each of the following, please explain how the transition is advantageous to animal success, what anatomical and physiological modifications had to be made, and give a specifical animal example to support your argument. (1) transition from a common gut to a tube within a tube design. (2) transition from aquatic lifestyle to terrestrial existence. (3) development of a complex nervous system with specialized sensory organs. (4) transition from direct, isolated circulation to counter-current systems (5) transition from the hydrostatic skeleton to the exoskeleton and then to the endoskeleton design. -answers do not have to be very complex, just very thorough Adaptive ability (AKA genetic plasticity) is the key to animal success throughout the biological world. For each of the following, please explain how the transition is advantageous to animal success, what anatomical and physiological modifications had to be made, and give a specifical animal example to support your argument. (1) transition from a common gut to a tube within a tube design. (2) transition from aquatic lifestyle to terrestrial existence. (3) development of a complex nervous system with specialized sensory organs. (4) transition from direct, isolated circulation to counter-current systems (5) transition from the hydrostatic skeleton to the exoskeleton and then to the endoskeleton design. -answers do not have to be very complex, just very thorough

Explanation / Answer

1. Advantage of tube within a tube design - Animals have one opening to take in the food and the other to take out unlike common gut where food is taken in and out through the same opening. Example Sponges (Common gut) and Cnidarians (Tube within tube)

2. Advantage of transition fromaquatic lifestyle to terrestial - More options for food. Example - Amphibians(Frog)

3. Advantage of development of a complex nervous system with specialized sensory organs - Advanced perception. Example - Humans.

4. Advantage of transition from direct, isolated circulation to counter-current systems - Better distribution of optimum amount of nutient to a particular part of the body. Example - Flatworms(Direct Circulation)

5. Hydroskeleton to Exoskeleton for protection. Example - Earthworm (Hydroskeleton) and arthropods(Exoskeleton)

Exoskeleton to Endoskeleton for better locomotionand movement by the help of muscles. Example - Birds.

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