Do sea urchins contain teeth
Do sea urchins contain teeth?
Expert
Sea urchins contain a teeth-like structure juxtaposed to the mouth and made up of five teeth joined to ossicles and muscle fibers. This structure, termed as Aristotle’s lantern, is utilized to scratch food, mostly algae, from marine rocks.
How respiration in adult amphibians is different from that of respiration in fishes?
Write down the main components of cytoskeleton.
It is just the reverse of the downward communication. It flows upward from a subordinate to the superior through middle managerial levels along the line. Such communication is of two types: Feedback if information in which subordinates convey a message to the top executive in response to
Explain the cell division during first stage of embryonic development called? How is this stage classified?
What is the function of the secretions of prostate, bulbourethral glands and the seminal vesicle within reproduction?
What is the basic difference among facilitated and simple diffusion? Facilitated by which kind of molecule does the word “facilitated” mean?
Name the meiotic division does the division of the homologous take place? What are the ploidies of the produced cells after the end of that procedure?
What are the most significant organic molecules for the living beings?
Explain the term mechanical digestion? In arthropods, molluscs, earthworms, birds and vertebrates, in common, which organs correspondingly participate in this kind of digestion?
Give a brief explanation of the term biome.
18,76,764
1955542 Asked
3,689
Active Tutors
1455970
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!