arthropods Flashcards
Arthropod
an invertebrate animal of the large phylum Arthropoda, such as an insect, spider, or crustacean.
Molting
shed old feathers, hair, or skin, or an old shell, to make way for a new growth.
Pheromones
a chemical substance produced and released into the environment by an animal, especially a mammal or an insect, affecting the behavior or physiology of others of its species.
Thorax
the corresponding part of a bird, reptile, amphibian, or fish.
Abdomen
the part of the body of a vertebrate containing the digestive organs; the belly. In humans and other mammals, it is bounded by the diaphragm and the pelvis.
Cephalothorax
the fused head and thorax of spiders and other chelicerate arthropods.
Exoskeleton
a rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.
Cheliped
also named claw, nipper, or pincer, is a pincer-like organ terminating certain limbs of some arthropods
Malpighean tubes
system is a type of excretory and osmoregulatory system found in some insects, myriapods, arachnids, and tardigrades. The system consists of branching tubules extending from the alimentary canal that absorbs solutes, water, and wastes from the surrounding
Arachnid
an arthropod of the class Arachnida, such as a spider or scorpion.
Metamorphosis
a change of the form or nature of a thing or person into a completely different one, by natural or supernatural means.
Crustaceans
form a large, diverse arthropod taxon which includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, woodlice, and barnacles.
Insects
Definitions and circumscriptions vary; usually, insects comprise a class within the Arthropoda. As used here, the term Insecta is synonymous with Ectognatha.
Antennae
either of a pair of long, thin sensory appendages on the heads of insects, crustaceans, and some other arthropods.
Swimmerets
another term for pleopod.
