Question

Which group of the animals belongs to the same phylum?
A. malarial parasite, amoeba, mosquito
B. Earthworm, pinworm, tapeworm
C. Prawan, scorpion, locust
D. Sponge, sea anemone, starfish

Answer 1

Hint: In biology, a phylum is that part of the level of classification or taxonomic rank that lies below kingdom and above class. Earlier, the term division in botany was used instead of the phylum. Although, now, the International Code of Nomenclature for algae, fungi, and plants accepts the terms as equivalent.

Complete answer:
> Option (A)-malarial parasite, amoeba, mosquito
Plasmodium belongs to the phylum Apicomplexa, amoeba belongs to Phylum: Amoebozoa, and mosquito belongs to Phylum: Arthropoda.

> Option (B)- Earthworm, pinworm, tapeworm
Earthworm, also called angleworm belongs to the phylum Annelida, pinworm belongs to the phylum Nematoda, and Tapeworm, also known as cestode, belongs to the phylum Platyhelminthes.

> Option (C)- Prawan, scorpion, locust
The prawn belongs to the phylum Arthropoda. lt is consumed by humans as nutritious and tasteful food. Scorpion belongs to the phylum Arthropoda. Their bodies are divided into segments and covered with a cuticle consisting of chitin and tanned proteins. The locust also belongs to Phylum Arthropoda.

> Option (D) is Sponge, sea anemone, starfish
Sponge belongs to the phylum Porifera,
Sea anemones belong to the phylum Cnidaria, Starfish is a part of the phylum Echinodermata.

Hence, The correct answer is option (C).

Note: The phylum arthropod consists of invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages. This forms phylum Euarthropoda, which includes insects, arachnids, myriapods, and crustaceans