A derived trait is a trait that the current organism has, but the previous one did not have.An ancestral trait is a trait that you, and your ancestors had.A vestigial structure is a structure that had some sort of use in your ancestor, but none in your current body
The answer is that the criteria of classification change whith the improved understanding of organisms around us
Answer:
D. the genetic material of living organisms
Explanation:
Answer:
Erythrocytes is the answer
Producer.
I remember it by thinking: "auto means automatic, so autotrophs automatically make their own food, so they must be producers"