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What enables arthropods to increase in size?
Since the external covering (exoskeleton) is inflexible, it's necessary for arthropods to periodically shed it (moult) in order to grow, a process called ecdysis.
What is Shedding external covering?
Shedding external covering refers to the process in which an animal, typically reptiles or arthropods, molts or sheds its outer layer of skin or exoskeleton to allow for growth or to remove parasites. This shedding process helps the animal to maintain its health and vitality.
What is the tough external conering of an arthropod called?
The external covering of an arthropod is referred to as an exoskeleton. In some arthropods (water varieties) the exoskeleton is composed mostly of calcium carbonate. In land varieties of arthropods, such as insects, their exoskeletons are made of a material know as chitin.
Do both nematodes and arthropods possess an external covering or cuticle?
Yes. A nematode is covered by a tough cuticle that is periodically shed through ecdysis.
What is the covering of arthropods called?
exoskeleton
Is fertilization external in most Arthropods?
External fertilization and development
What are the external features of arthropods?
Arthropods are segmented animals with jointed legs and an exoskeleton.
Does an arthropod have internal or external fertilisation?
arthropods usually have external fertilization
Which of the following is not a protective covering found in arthropods?
Telson
What is an arthropod's body covering?
The external covering on arthropods is called the exoskeleton (or cuticle). It is made of a tough protein called chitin, a long chain polymer comparable to cellulose. Because it's inflexible, arthropods need to shed it (moult) in order to grow.
How are the skeleton and the shell of a crab alike?
The skeleton and shell of a crab are synonymous. What we'd call the shell of a crab is simply a component of its exoskeleton, the external covering arthropods use made out of a tough protein, chitin.
Are all Arthropods exoskeletal?
Yes, having an exoskeleton is a defining characteristic of arthropods. Animals with internal skeletons belong to three other phyla, for example Chordata - the chordates, including mammals, reptiles, amphibians, etc.
