AP BIOLOGY

CLASSIFICATION

NINE COMMON ANIMAL PHYLA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which phylum contains segmented earthworms?
A
Invertebrates
B
Mollusca
C
Anthropoda
D
Annelida
Explanation: 

Detailed explanation-1: -In conclusion, members of Phylum Annelida have bodies that are segmented, such as leeches and earthworms.

Detailed explanation-2: -The annelids include earthworms, polychaete worms, and leeches. All members of the group are to some extent segmented, in other words, made up of segments that are formed by subdivisions that partially transect the body cavity. Segmentation is also called metamerism.

Detailed explanation-3: -annelid, phylum name Annelida, also called segmented worm, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into segments by transverse rings, or annulations, from which they take their name.

Detailed explanation-4: -Annelids display bilateral symmetry and are worm-like in overall morphology. Annelids have a segmented body plan wherein the internal and external morphological features are repeated in each body segment.

Detailed explanation-5: -Annelida segmentation is metameric, meaning their bodies are externally divided into similar segments by annuli. These segments are also divided internally by interior walls called septa .

There is 1 question to complete.