Answer:
organ systems
Explanation:
cells combine to form tissues, tissues combine to form organs, and organs combine to form organ systems such as the digestive system.
Answer:
Prokaryotic cells reproduce by a process that is called binary fission.
Explanation:
The DNA in such cells is contained in a single circular chromosome called a plasmid within the cytoplasm. The reproductive process starts with the replication of the chromosome.
An autotroph is an organism that makes food for itself like plants
Since vertebrates are classified<span> by the chordate sub phylum vertebrata, </span>invertebrates <span>are any other </span>animal that is classified<span> outside of that class. So some examples of these animals are insects, crabs, lobsters, snails, and jellyfish just to list a few.
Hope this helps!</span>