The medial pathway, which controls gross movements of the head, trunk, and limbs, consists of tectospinal, reticulospinal and vestibulospinal tracts.
The tectospinal tract in humans, also known as colliculospinal tract, is a nerve tract that coordinates head and eye movements. This tract is a part of the extrapyrimidal system in which it particularly connects the midbrain tectim and cervical regions of the spinal cord.
The vestibulospinal tract is a neural tract found in the central nervous system. It is specifically also a component of the extrapyramidal system and is a classified component of the medial pathway. The vestibulospinal fibers of the tract relay information from the nuclei to the motor neurons which is the same with the other descending motor pathways.
Lastly, the reticulospinal tracts or the descending or anterior reticulospinal tracts are extrapyrimidal motor tracts that goes down from the reticular formation in two tracts to act on the motor neurons supplying the trunk and the flexors and extensors of the proximal limb.
Answer:
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Explanation:
All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these characteristics serve to define life.
Answer: True
Explanation:
Amphibians are the animals that spend their life partially in water and partially on land. They are cold blooded animals that cannot regulate their body temperature.
Some of the characteristic feature of amphibians are:
They have a moist skin but do not have scales on their body and gas exchange takes place through their skin.
They have four legs, a double loop circulatory system, aquatic larvae.
Example: Toad, salamander, et cetera.
The niche of an organism is the functional role that it plays within an ecosystem. The niche (better refined as the 'ecological niche') is determined by the abiotic factors, which comprise of living features such as animals, plants and fungi, and biotic factors.
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There should be many anatomical similarities among verities and species that have diverged from a common ancestor
