The soil.
Scientific classification: Roundworms make up the phylum Nematoda.
A hookworm belongs to the Phylum Nematoda, which includes roundworms.
It's a Nematoda
Flatworms belong to the phylum platyhelminthes.
Roundworms belong to the phylum Nematoda.
there are 78 chamnbers in the heart of a Nematoda
The common name for phylum Nematoda is roundworms.
Ancylostoma is in the phylum Nematoda, also known as roundworms.
Nematoda
Porifera = sponges. Cnidaria = jellyfish Mollusca = molluscs Nematoda = round worms
Nematoda
Nematoda