Which gas was most likely not present in creating the amino acids of early Earth's waters of the past? ammonia
sulfur
hydrogen
nitrogen

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

What do transitional fossils best support?

Anybody know this. a haplontic cycle animal initially reproduces by: mitosis binary fission isogamous fertilization meiosis