Answer:
A. Cartilage
Explanation:
The flexible tissue found in the nasal septum and in the ears is called cartilage .
Cartilage is one of the human body's many connective tissues, and is found between vertebrae, in joints between bones, in the rib cage, in the nose and ear, and in the bronchial tubes.
Cartilage is dense and non-vascular.
In The metabolism of amino acids for energy, what is the fate of the amino group?
Excreted as urea
I think that a toxin that was introduced into a food web can kill some species but not others because some may have resistances to the toxin, while others, it may be lethal. Also that it did not affect everyone because as Bioaccumulation has stated if affected one organism but their might not be much biomagnification as in much increase in the correlation between the food chains in that area. i think the cat were like the top animal so the key stone animal of the food chain and also it had no predators.
The answer here should be B