I think that the answer is behavioral isolation because this isolation helps members of the same species identify each other as mates and that's what the emperor penguins do.They call their mate with a specific sound.I'm not 100% sure tho
Ground Substance is the correct answer
The processes that turns sediment into sedimentary rock is the compaction and cementation of sediment. Hope this helps!
Key points. The differences in characteristics between individuals of the same species is called variation . Some variation is passed on from parents to offspring, via genes during reproduction. This is inherited variation. Some variation is the result of differences in the surroundings, or what an individual does.
Answer:
A Mutation.
Explanation:
A mutation is a change that occurs in our DNA sequence, either due to mistakes when the DNA is copied. Mutations can occur during DNA replication if errors are made and not corrected in time.