Answer:
Any combination of D, E and F
Explanation:
Since A, B, and C belong to different orders, and D, E and F belong to the same order, the latter are more closely related and thus are expected to show a greater degree of structural homology. They are closer to their common ancestor than A, B and C.
Not sure what the choices are but a biotic factor is anything living.
Answer:
Explanation: a good example of how wildfires lead to secondary succession is in a oak and hickery forests and this is because wildfires will mostly burn out the vegetation and kill those animals however their nutrients would turn to ash
Answer: cotyledon, seed leaf within the embryo of a seed.
I believe gondwana is the correct answer
