Form To Function Integument

Question 1

What are the four general functions of the integumentary system?

Answer 1

Defense
Communication
Regulation
Sensory

Question 2

What are two reasons amphibians integumentary system provides poor defense?

Answer 2

1. Very Permeable

2. No claws or scales

Question 3

What are the two defining characteristics of each tetrapod class skin?

Answer 3

Amphibians: Smooth and moist.
Reptiles: Dry and Scaly
Aves: Thin and loose
Mammalia: Thick and furry

Question 4

What three types of glands are found in amphibians?

Answer 4

Mucosa glands, poison glands and pheromone glands

Question 5

What characteristics help adapt reptiles to dry climates?

Answer 5

Relatively impermeable skin to reduce water loss

Question 6

What is aposematic coloration?

Answer 6

Bright coloring to indicate poison

Question 7

How many claws are on a reptile’s front feet? Hind feet?

Answer 7

Both have 5 claws

Question 8

What is a consequence of the avian skin?

Answer 8

Prone to water loss

Question 9

What are 4 benefits to being covered in feathers?

Answer 9

Help reduce water loss, help insulate, flight and display (communication)

Question 10

What is a preen gland?

Answer 10

A gland that produces an oily substance to help waterproof feathers

Question 11

Name the 3 basic parts of every flower

Answer 11

Calamus: Thick hollow base of feather
Rachis: Thin hollow shaft that extends outward from the calamus
Vane: What people think of the feather, the colored outer portion made up of barbs and barbules

Question 12

What are the two portions of feathers?

Answer 12

Plumulaceous: down portion of feather, mostly insulation
Pennaceous: The Vane, used for display, flight and osmoregulation

Question 13

What is plumage?

Answer 13

All of the feathers on a bird

Question 14

What two types of plumages do birds have?

Answer 14

Alternate plumages (mating season)
Basic Plumages (non-breeding)