The legs, wings, or fins most of the time are used in locomotion and sometimes in defense.
These are two functions of an animal's movement structures like wings, legs, or fins:
- migrating to mating spots
These structures are like structural adaptation defenses. These structures might be for defense, movement and for obtaining resources which might include food.
Learn more about these structural adaptations: brainly.com/question/352589
it was the challenger and The expedition was led by British naturalist John Murray and Scottish naturalist Charles Wyville Thompson
Cnidaria - incomplete digestion [have only a single opening] ,digestion is extracellular and intracellular ,they have stinging casules called cnidoblast which helps for anchorage,defence and capture prey.
echinodermata - complete digestion[mouth on ventral,anus on dorsal],have water vascular system helps in locomotion ,capture of prey,transport of food....digestion is intracellular
Items such as sheet metal, treated lumber, corn syrup, and plastics are examples of processed materials.
Processed materials are materials which have been refined or built by humans from raw materials.<span> Processed materials are different from component parts as they become part of a finished product and don't retain their original identity.
</span><span>Ceramic is a processed material. You have to add several materials, heat them, sinter them and then you get ceramic.</span>
