Term
|
Definition
| a specialized grouping of multiple segments or metameres into a coherently functional morphological unit |
|
|
Term
|
Definition
| is the external skeleton that supports and protects an animal's body, in contrast to the internal skeleton (endoskeleton) of, for example, a human |
|
|
Term
|
Definition
| also known as sloughing, shedding, |
|
|
Term
|
Definition
|
|
Term
|
Definition
| A thin-walled, cartilaginous tube descending from the larynx to the bronchi and carrying air to the lungs |
|
|
Term
|
Definition
| a biological process by which an animal physically develops after birth or hatching, |
|
|
Term
|
Definition
| is the name given to a grouping of the extinct Eurypterida (sea scorpions) and the Xiphosura (horseshoe crabs) |
|
|
Term
|
Definition
| a class (Arachnida) of joint-legged invertebrate animals in the subphylum Chelicerata. |
|
|
Term
|
Definition
| a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, |
|
|
Term
|
Definition
| the last division of the body of a crustacean. |
|
|
Term
|
Definition
| the gill of a horseshoe crab, composed of numerous membranous structures arranged like the leaves of a closed book. |
|
|
Term
|
Definition
| Either of the first pair of fanglike appendages near the mouth of an arachnid, |
|
|
Term
|
Definition
| the second pair of appendages of the prosoma in the subphylum Chelicerata |
|
|
Term
|
Definition
| a type of excretory and osmoregulatory system found in some Atelocerata (Insects and Myriapoda), arachnids and tardigrades |
|
|
Term
|
Definition
| produces a viscid fluid which is extruded in filaments and hardens into silk on exposure to air |
|
|
Term
|
Definition
| a calcified harpoon-like structure near the mouth area of certain parasitic arthropods |
|
|
Term
|
Definition
| used for a number of unrelated structures in different groups of animals |
|
|
Term
|
Definition
| a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind |
|
|
Term
|
Definition
| the belly, stomach, or tummy |
|
|
Term
|
Definition
| Giving birth to living offspring that develop within the mother's body |
|
|
