Vert Bio Lecture 4

Front 1

The ECTODERM is responsible for the appearance and development of what?

Back 1

The outer body surface, nervous system, and neural crest.

Front 2

The ENDODERM is responsible for the appearance and development of what?

Back 2

Gut lining and organs of the gut (liver, pancreas, and lungs).

Front 3

The MESODERM is responsible for the appearance and development of what?

Back 3

1) Somites (myomeres, vertebrae, dermis).
2) Intermediate Mesoderm (kidneys and gonads).
3) Lateral Plate Mesoderm (blood vessels and heart).
4) Notochord.

Front 4

What is the Integumentary system?
What is it responsible for?

Back 4

The integumentary system is the external covering of vertebrates.
Its responsibilities: Boundary between external and internal, protection, temperature regulation, water regulation, gas exchange, vitamin D synthesis, sensory stimuli reception, defense against microorganisms, pheromone production.

Front 5

What are the two layers of vert skin?

Back 5

– Epidermis: superficial layer (ectoderm) (primary protection, sensation, glands)

– Dermis: deep layer (somite - mesoderm)

Front 6

What is the main difference(s) between aquatic skin and terrestrial?

Back 6

Aquatic verts have a living epidermis.
Terrestrial verts have a top dead layer.

Front 7

What are the two layers of the epidermis in terrestrial verts?

Back 7

– Stratum germinativum (living)
– Stratum corneum (dead)

Front 8

STUDY LECTURES 4-9 ON SLIDES.

Back 8

NO NOTECARDS FOR LECTURES 4-9!