Answer;
-Projection level
-Projection level controls intermediate relay for incoming and outgoing neurons.
Explanation;
The levels of motor control include; segmental level, projection level and precommand level.
-The segmental level is the lowest level of motor hierarchy. It consists of segmental circuits of the spinal cord, Its circuits control locomotion and specific, oft-repeated motor activity. These circuits are called central pattern generators (CPGs).
The projection level consists of: Cortical motor areas that produce the direct (pyramidal) system, and Brain stem motor areas that oversee the indirect (multineuronal) system
. It helps control reflex and fixed-pattern activity and houses command neurons that modify the segmental apparatus.
Precommand level; Cerebellar and basal nuclei systems that:
-Regulates motor activity, precisely start or stop movements, coordinate movements with posture, Block unwanted movements
, and Monitor muscle tone.
Scientific theories are not absolute and unquestionable truths: they are the best explanation of the data, but they can be challenged if new data is discovered or if a new theory is found that fits to and explains the data even better!
The best answer is d: this is not an accurate description of a scientific theory!
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The drift explanation states that the people with higher socio-economic status (SES) tend to have better lives. It further states that genetics and biology plays an important role in the socio-economic status so that healthier people can enjoy their SES for longer period of time.
The correct answer is the second choice - peer review process in scientific research exists in order to verify that the conclusions that are made are supported by the data. You cannot make a valid conclusion if you do not have enough evidence or data to prove it - this is why your peers have to go through your research to make sure everything is done according to the rules of scientific research.
Hope this helps.
Answer:
A. meiosis.
Explanation:
Meiosis is one of the two major types of cell divisions in living organisms. Meiosis is the process by which four daughter cells that are genetically different from the parent cell are produced. Meiotic process is carried out solely during sexual reproduction to yield gametes or sex cells.
The gametes have their chromosomal number reduced by half during the process. However, one immense importance of meiosis is that it PROMOTES GENETIC DIVERSITY. A process called crossing over, which is the exchange of chromosomal segment between non sister chromatids, makes this possible.
