Vertebrate and invertebrates nervous systems
What are some main differences of the vertebrate nervous systems comparing to invertebrates?
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In vertebrates the nervous system is well-characterized, having the brain and dorsal neural cord protected by rigid skeletal structures. In most invertebrates the nervous system is predominantly ganglial, with ventral neural cords.
State main function of the blood?
What is meant by the tubal pregnancy?
How can endoskeleton of echinoderms be typified in comparison to analogous structures present in the vertebrates, in arthropods and in molluscs?
what are the biological importance of water?
Which are the molecules which make possible active transport via membranes?
Explain the formation of gametes in the pteridophyte life cycle, through the mitosis or meiosis? State the type of meiosis which takes place in pteridophytes?
Give a brief description of cnidocytes? Write down the name of the capsule in the cnidocyte? Write down the biological functions of this structure?
I. Temperament: Temperament and other non-intellectual personality traits are distributed according to the normal distribution. Temperament is the degree to which one responds emotionally. II. Interest: The individual normally has many interests in
In which bones can bone marrow chiefly be found? Is the bone marrow made of osseous tissue?
How does photosensitivity in the cnidarians, annelids and worms differ from cephalopods, insects, and the vertebrates?
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