Answer;
Cell
Explanation;
-The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
-Cell is the basic unit and building block of life. It is bound by a cell membrane, and possesses a nucleus which acts as its brain. Arachnoidiscus ehrenbergi is an example of diatoms which are unicellular, therefore it is a cell.
C. "connect the brain to spinal cord"
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Answer:
It can be but up to where the kidiny is and it could be made to detectice unhealthy organs.
Explanation:
Anaphase ll, stage of meiosis ll.
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1. A sensory organ is made up of receptors that are made up of cells or a group of cells that can detect external stimuli such as touch, light, sound and others.