ZOOCH28TEST
Terms
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- animals such as insects, crabs, centipedes, and spiders. segemented body, tough exoskeleton, jointed appendages
- arthropod
- tough external covering, protects and supports,made of chitin, most have waxy covering
- exoskeleton
- structures that extend from the body wall
- appendages
- appeared 600 million years ago, time has led to fewer body segments and highly specialized appendages for feeding, movement, and other functions
- arthropods
- use complex nervous system to carry out different functions, most have tracheal tubes, open circulatory system, excrete wasts through saclike tubes
- arthropods
- feeding includ herbivors, carnivores, omnivores, mouthparts have wide range
- arthropods
- network of branching tubes that extend throughout the body used to breathe
- tracheal tubes
- small openings located along the side of the body
- spiracles
- organs that have layers of respiratory tissue stacked like the pages of a book
- book lungs
- aquatic arths respire using featherlike //////
- gills
- horseshoe crabs respire through organs called ////////
- book gills
- arths have an ///// circulatory system
- open
- well developed heart pumps blood through /////// that branch and enter the tissues
- arties
- most terrestrial arths dispose of nitrogenous waste using /////// //////
- malpighian tubles
- saclike organs that extract wastes from the blood and add them to feces or digestive wastes, that move through the gut
- malpighian tubles
- aquatic arths use ////// to move cellular wastes from the body into the surrounding water
- diffusion
- have a brain, two nerves that connect the brain to a ventral nerve cord, ganglia to coordinate movement of legs and wings, have eyes and taste receptors
- arthropods
- move using well developed groups of muscles that are coordinated and controlled by the nervous system
- arthropods
- terrestrial have internal, aquatic have internal or external fert
- arthropods
- female releaseds eggs and males shed sperm
- external fertilization