Ostriches are a large flightless african bird with solid bones and very powerful hindlegs for running and kicking. rheas are from south america. other than the fact that they are about half the size of an ostrich, their physical features are almost identical to ostriches. which conclusion is not supported by the observations concerning ostriches and rheas?

D

Explanation:

Ostriches and rheas started off as different species, but have evolved over time to become identical to each other.

i'm pretty sure it's spores

metamorphism is the change of minerals or geologic texture (distinct arrangement of minerals) in pre-existing rocks (protoliths), without the protolith melting into liquid magma (a solid-state change). the change occurs primarily due to heat, pressure, and the introduction of chemically active fluids. i hoped i !