Answer:
A
D
Explanation:
mark me brainliest even if im wrong but im positive im right
Carl Von Linneaus developed the system for classifying organisms.
two factors that determine range are,
in constant flux as abiotic and biotic
factors change overtime Abiotic factors - temperature, rainfall, the presence
of geographical structures like mountains and oceans, and large scale ongoing
and historical process such as continental drift Biotic factors - past and
current presence of other species that provide habitat, food, or competition Ranges
are dynamic
Hi!
Could you please be more specific, so that I can answer your question properly? Layer of what?