Nombre los principios de la teoría de la evolución mediante selección natural

This is a type pf behavior that animals are born with and them to survive

Ascientist discovers a new body between the orbit of neptune and the kuiper belt. the object is round and travels in an orbit around neptune with other space objects. the scientist claims that she has found a new dwarf planet. where is the scientist’s error?

When analyzing tree rings, what do scientists assume a thin ring indicates?