Endoskeleton — definition?
Internal support made of bone or cartilage.
Exoskeleton — function?
Protects and supports the organism externally.
Hydrostatic skeleton — mechanism?
Fluid pressure within a cavity supports movement.
Organism survival needs — key?
Oxygen, nutrients, and water.
Coelom — role?
Houses and protects internal organs.
Bone — characteristic?
Rigid, mineralized support tissue.
Cartilage — difference from bone?
Flexible, less mineralized support tissue.
Gills — function?
Extract oxygen from water.
Lungs — role?
Extract oxygen from air for terrestrial animals.
Nutrient movement — process?
Digestion, absorption, excretion.
Crop — purpose?
Stores food temporarily in some animals.
Gizzard — function?
Mechanically grinds and crushes food.
Regurgitation — role?
Expels indigestible material like owl pellets.
Enzymes — role?
Speed up breakdown of food molecules.
Owl pellet — formation?
Mass of indigestible prey parts regurgitated.
Respiratory diffusion — in?
Simple organisms and in structures like gills and lungs.
Teste tes connaissances avec un QCM de 8 questions sur Animal Support and Respiration Strategies.
1. How do oxygen and carbon dioxide differ in their roles related to organism survival?
2. What is a key characteristic of owl pellet formation?
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