Answer: B
Explanation: because it adapt to its environment to survive
Answer:
An extreme version of scoria occurs when volatile-rich lava is very quickly quenched and becomes a meringue-like froth of glass called pumice. Some pumice is so full of vesicles that the density of the rock drops low enough that it will float
Explanation:
Answer:
C. the AV node will usually become the pacemaker for the heart
Answer:
I would have to guess forest, as those claws look like they are for grabbing hold of branches, and the long beak usually means they eat worms.