Why is bone such a useful structural material for tetrapods on land? Calcified cartilage is lighter than bone. Isn't that an advantage for a terrestrial vertebrate?
What will be an ideal response?
Bone (but not calcified cartilage) has the capacity to remodel its internal structure and thus to modify its composition in response to gravitational forces (which are not experienced in the water when the animal is buoyed up by the denser medium).
You might also like to view...
Narrow sheets of calcified matrix are referred to as
A) osteons. B) canaliculi. C) lamellae. D) osteoclasts. E) central canals.
C) blood flow through an organ.
C) blood flow through an organ.
List examples of representative lipids in the body
What will be an ideal response?
The sequence of nucleotides in a messenger RNA molecule is needed to determine the sequence of
A. amino acids in a protein. B. nucleotides in the anticodons of tRNA. C. nucleotides in a gene. D. amino acids in DNA. E. codons in DNA.