Aquatic skin - Integument of bony fishes

6 important questions on Aquatic skin - Integument of bony fishes

What are 3 differences between human skin and bony fish skin?

  1. Bony fish skin contains bony scales
  2. Bony fish skin contains mucus and mucus cells
  3. Bony fish skin does not cotnain keratinized cells

What are 3 characteristics of the epidermis layer in bony fish?

  1. A multicellular unkeratinised layer
  2. The epidermis contains many mucus cells
  3. The epidermis has a mucus layer

What is a characteristic of the dermis layer in bony fish?

The dermis layer contains, besides the thing humans contain, bony scales.
  • Higher grades + faster learning
  • Never study anything twice
  • 100% sure, 100% understanding
Discover Study Smart

What are the two scale types in fish and what species do they occur in?

  1. Chondrichthyes, in sharks and rays
  2. Osteichthyes, in bony fish

What are the 4 characteristics of the chondrichthyes' scales?

  1. Placiod scales
  2. homologous with mammalian teeth
  3. They protect the inner environment
  4. They reduce energy costs for swimming

What are the 3 characteristics of osteichthyes' scales?

  1. The scales have an acellular shape
  2. They give protection and store calcium
  3. They show age rings

The question on the page originate from the summary of the following study material:

  • A unique study and practice tool
  • Never study anything twice again
  • Get the grades you hope for
  • 100% sure, 100% understanding
Remember faster, study better. Scientifically proven.
Trustpilot Logo