Athropods Flashcards
(32 cards)
How many body sections do arthropods have?
3
What is the hard outer part of crustaceans?
carapace
Describe complete metamorphosis
insect changes from juvenial to adult, newly hatched form doesn’t look like the adult
How many legs do crustaceans have?
10, they are decapods
What do crustaceans have that others dont?
Chelipeds
How does an insect find its mate?
Using pheromone
What do chelicerates use to breathe?
gills and spiracles
what are the pincer like appendages on chelicerate?
chelicerae
How many pairs of wings do insects have?
one or two pairs
what are the first 3 pairs of walking legs called in crustaceans?
maxillipeds
what are malpighian tubules?
the primary excretory organs in insects and some other arthropods
what do arthropods use for sensory input?
feet, eyes, antennae
How do insects breathe?
spiracles
What body part do insects use for nutrients?
Specialized mouth parts
Which of following is not a characteristic of arthropods?
they have compound eyes
What is the exoskeleton of arthropods made of?
chitin
What are fused arthropods?
Cephlorothorax
Describe incomplete metamorphosis
egg, nymph, adult
how do crustaceans benefit the environment
regulating primary production, transferring energy through food webs, and contributing to nutrient cycling
What benefit do horseshoe crabs blood have?
Cure cancer
What do spiders use to make silk?
Spinnerette
What do spiders have that arthropods dont?
Spinnerette
How many body segments do insects have?
3
How do chelicerates care for their young?
they don’t