Answer:
The fossils in the lower layers are older than the fossils in the upper layers.
Explanation:
Answer:
One reason that Organism A and Organism C will be placed in different groups will be due to their MODE OF NUTRITION.
As described in the question, Organism A has an autotrophic mode of nutrition which means that it has the capability to produce its own food. Organism C is a heterotroph which means it cannot produce its own food and hence will have different properties as compared to the organism A.
D, as they all have to be nonliving factors.
I hope this helps and best of luck,
Carbono Konopia :)
It allows certain molecules or irons to pass through by diffusion