Arthropoda Flashcards
What is the largest phylum of Animalia?
Arthropoda
Includes insects and over two-thirds of all named species on earth.
What type of body organization do arthropods have?
Organ-system level of organization
They are bilaterally symmetrical, triploblastic, segmented, and coelomate.
What covers the body of arthropods?
Chitinous exoskeleton
What are the three main body parts of arthropods?
Head, thorax, and abdomen
What type of appendages do arthropods have?
Jointed appendages
(arthros-joint, poda-appendages)
What are the respiratory organs in arthropods?
Gills, book gills, book lungs, or tracheal system
What type of circulatory system do arthropods possess?
Open type
What sensory organs are present in arthropods?
Antennae, eyes (compound and simple), statocysts
How do arthropods excrete waste?
Through malpighian tubules
What is the reproductive strategy of most arthropods?
Dioecious
Fertilization is usually internal.
What is the typical mode of reproduction for arthropods?
Mostly oviparous
Development may be direct or indirect.
Name a vector among arthropods.
Anopheles, Culex, and Aedes (Mosquitoes)
What is an example of a gregarious pest?
Locusta (Locust)
What is an example of a living fossil in arthropods?
Limulus (King crab)
Economically imp
Apis
Bombyx
Laccifer
Honey bee
Silkworm
Lac insect