streamlined body.
vertebrates.
possess fins and gills.
Gills
NO
?
skin type
Class Agnatha
Fishes ,Amphibia , Reptilia , Birds , Mammalia .
Krill is the main stable in the wild
Scale color and fin shape
characteristics of a central
Barton D. Rogers has written: 'Temporal patterns and size characteristics of migrating juvenile fishes and crustaceans in a Louisiana marsh' -- subject(s): Fishes, Migration, Crustacea
One of the main characteristics of a bureaucracy is authority that is hierarchical. The other two characteristics are job specialization, and formalized rules.
The group of fishes most closely related to ancestral amphibians are the lobe-finned fishes, which include the coelacanths and lungfishes. These fishes share certain characteristics with amphibians, such as limbs with digits and lungs or lung-like structures, indicating a close evolutionary relationship.