BIOL1307 Chapter 33 Review

To allow animals to grow continuously

To maintain a balance between internal and external environments

To ensure animals can survive without food

To control an animal’s size and shape

Sea anemone

Goat

Sponge

Fish

Asymmetry

Radial symmetry

Bilateral symmetry

Irregular symmetry

Land animals

Aquatic animals with bilateral symmetry

Asymmetrical animals

Insects

Endoskeleton

Apodemes

Exoskeleton

Cartilage

To build bone tissues

To serve as immediate energy for cellular functions

To store oxygen

To regulate homeostasis

External heat sources

Stored glycogen

Fur, fat, and feathers for insulation

Ectothermic mechanisms

The amount of energy an ectothermic animal uses at rest

The energy expenditure of an endothermic animal at rest

The energy an animal uses during movement

The energy stored in fat cells

They have a greater surface area to volume ratio

They lose heat more slowly

They need less energy to maintain body temperature

They store more fat

Squamous epithelium

Simple columnar epithelium

Stratified cuboidal epithelium

Pseudostratified columnar epithelium