AP BIOLOGY

CLASSIFICATION

NINE COMMON ANIMAL PHYLA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This phyla obtains oxygen through gills, lives in water, uses fins to move, and is the largest class of vertebrates. Identify the phyla.
A
Fish
B
Amphibians
C
Reptiles
D
Mollusks
Explanation: 

Detailed explanation-1: -A fish is an animal which lives and breathes in water. All fish are vertebrates (have a backbone) and most breathe through gills and have fins and scales.

Detailed explanation-2: -Class-Osteichthyes Like all fishes, Osteichthyes are cold-blooded vertebrates that breathe through gills and use fins for swimming.

Detailed explanation-3: -Vertebrates are members of the subphylum Vertebrata, under the phylum Chordata and under the kingdom Animalia. Animals that possess bilateral symmetry can be divided into two groups, protostomes and deuterostomes, based on their patterns of embryonic development.

Detailed explanation-4: -There are a number of vertebrate classes. Those that are aquatic have traditionally been grouped together as the superclass Pisces, or fish; those that are terrestrial or (in the case of amphibians) semiterrestrial, and have been grouped as the superclass Tetrapoda, or four-footed animals.

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