Answer: These animals eat algae in the water.
Explanation: They clean the water in other words.
I believe the correct answer from the choices listed above is option D. The relationship between sex chromosomes and autosomes in humans would be that sex <span>chromosomes are found in haploid cells while autosomes are in diploid cells. Hope this answers the question.</span>
Answer:
Prokaryotes (single celled organisms)
Explanation:
Prokaryotes are single celled organisms or unicellular that lack membrane bound organelles such as the nucleus. Instead their DNA us found in a coiled loop floating freely in the cytoplasm in a region called the nucleoid. Examples that include prokaryotes are Bacteria and Archaea.
They have been estimated to exist on Earth about 3.5 billon years ago where life first started.