Photosensitivity in annelids-cnidarians-worms
How photosensitivity in annelids, cnidarians and worms distinct from insects, cephalopods and vertebrates?
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In the primary mentioned group of animals there are photoreceptors cells organized in ocelli or diffusely scattered in the body. Such animals do not form images.
In animals of the second group, the photoreceptor cells are element of more sophisticated structures, the eyes, capable to form images and to send them to nervous system.
Write the organs of excretory system? Answer: The excretory system is made up of bladder, two kidneys, two ureters and urethra.
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Also known as the fax machine is very useful for transmitting visual material such as diagrams, illustrations, photographs or copies of artwork visuals. All that we need for it is the fax machine with a connected telephone. As the document to be transmitted is fed through the machine, it is elect
This process is influenced by home environment, family members, and social groups. A. Home environment: total home environment is a critical factor in personality development. Fox example, children with markedly institutional upbringing or children in a cold, unstim
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From zygote, the pluricellular organisms are made by serial mitosis. Would this formation be probable when each cell made up by mitosis had a similar life in relation to its precursor cells? How did evolution resolve that trouble?
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