Maslow's Hierarchy of Needs is a system that lists the needs felt by every human being, in order of ease of accomplishment. Our basic survival (physiological) needs (food, water, shelter) are on the bottom. Next up is our safety needs (being able to live without fear of danger), followed by love/belonging needs (the need to have people who you support, and whom support you). After that comes esteem needs (the need to be supportive of your own choices). Finally, at the top of the list is the need for self-actualization. This is the need to feel like your life has significant meaning, and that you have done something for the greater good of humanity. This is a rare need to meet.
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Answer:
The Doppler red-shift of light observed from distant stars and galaxies gives evidence that the universe is expanding (moving away from a central point). This allows for Big Bang Theory, because after a “bang” occurs all of the matter moves away from the point of origin.
Explanation:
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Answer:
Cervical vertebrae, thoracic vertebrae, lumbar vertebrae, sacrum, coccyx.
Explanation:
Vertebral column or spine is made of a total of 26 vertebrae in adults. Starting from the upper part, it has 7 cervical vertebrae, 12 thoracic vertebrae, 5 lumbar vertebrae, one sacrum, and one coccyx.
The coccyx is made of four fused coccygeal vertebrae. Likewise, the sacrum consists of five sacral vertebrae that are fused during development.
Plant cells have what is perhaps the most complex outer coverings. Plant cell walls are made largely of cellulose which forms strong, highly rigid, almost indigestible coverings that protect the cell and gives it shape.
Darwin called the ability of an organism to survive and reproduce in its environment fitness.
Some organisms were fit to do all of these things, whereas others were not.
