AP BIOLOGY

CLASSIFICATION

NINE COMMON ANIMAL PHYLA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Insecta, arachnida, and crustacea belong to which phylum?
A
arthropoda
B
echinodermata
C
chordata
D
cnidaria
Explanation: 

Detailed explanation-1: -The phylum Arthropoda is commonly divided into four subphyla of extant forms: Chelicerata (arachnids), Crustacea (crustaceans), Hexapoda (insects and springtails), and Myriapoda (millipedes and centipedes).

Detailed explanation-2: -The phylum Arthropoda contains a wide diversity of animals with hard exoskeletons and jointed appendages. Many familiar species belong to the phylum Arthropoda-insects, spiders, scorpions, centipedes, and millipedes on land; crabs, crayfish, shrimp, lobsters, and barnacles in water (Fig. 3.72).

Detailed explanation-3: -Crustaceans includes lobsters, crabs, crayfish, shrimp, barnacles, and several less familiar forms.

There is 1 question to complete.