Animal Integumentary Systems
Biology ⇒ Animal Biology
Animal Integumentary Systems starts at 8 and continues till grade 12.
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Describe how the integumentary system is involved in vitamin D synthesis in vertebrates.
Describe how the integumentary system of fish differs from that of mammals.
Describe the main difference between the integumentary systems of amphibians and reptiles.
Describe the role of chromatophores in the integumentary system of cephalopods.
Describe two ways in which the integumentary system helps regulate body temperature in mammals.
Explain how the integumentary system contributes to excretion in animals.
Explain how the integumentary system provides protection against pathogens.
Explain the adaptive significance of coloration in the integumentary system of animals.
In fish, the scales are primarily derived from which tissue layer? (1) Epidermis (2) Dermis (3) Hypodermis (4) Subcutaneous
Keratin is a protein found in which of the following? (1) Feathers (2) Scales (3) Hair (4) All of the above
Which animal group is characterized by having scales made of keratin? (1) Fish (2) Reptiles (3) Amphibians (4) Mammals
Which layer of the skin contains most of the sensory receptors? (1) Epidermis (2) Dermis (3) Hypodermis (4) Stratum corneum
The hypodermis is primarily composed of __________ tissue.
The main pigment responsible for skin color in humans is __________.
The main structural protein in the outer layer of mammalian skin is __________.
The pigment responsible for red coloration in bird feathers is called __________.
True or False: Feathers in birds are homologous to scales in reptiles.
True or False: Mammalian nails and claws are both composed primarily of keratin.
True or False: The cuticle in arthropods is periodically shed during growth.
True or False: The epidermis is the outermost layer of the skin in vertebrates.
