Multiple alleles. As different blood types can be determined by 2 different alleles
Fossils in upper were younger than fossils in lower levels. Hope this helps!
Answer:
Your answer would be protozoan!
Hope this helps!
Prokaryotes are organisms that hav only one cell and one nucleus while while Eukaryotes are organisms that hav many cells and many nuclei.
Hope I helped plz make brainlyest bro I need it