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Iguanas have spines along their backs to help protect them from predators. They also have a bunch of extra skin below their necks called a dewlap. This dewlap helps them to regulate their temperature, which is helpful as they are cold-blooded and their bodies don't control their body temperature automatically.
<span>Complete Protein contain all nine essential amino acids. The nine essential amino acids is Tryptophan,Threonine, Isoleucine,Leucine,Lysine,Methionine+Cystine,Phenylalanine+Tyrosine,Valine and Histidine.</span>
Without exercise, her muscles might atrophy.
Answer:
Shared derived characters can be used to group organisms into classes.
Explanation:
For example, amphibians, turtles, lizards, snakes, crocodiles, birds and mammals all have, or historically had, four limbs.