In biology, the biotic factors pertain to the living components of Earth while the abiotic factors are those non-living chemicals and physical factors. The only choice that is not an interaction between biotic and abiotic factors is the third choice, "C. male elk fighting over a female".
Sedimentary rocks are formed because of overburden pressure
A. The organism has a large nose, because it's homozygous.
Answer:
The fossils in the lower layers are older than the fossils in the upper layers.
Explanation:
Has no backbone I believe I hope I’m not wrong
