Insecets Growth and Development Flashcards
Process of digesting the old exoskeleton and synthesizing a new one is called?
Molting
shedding what is left of the exoskeleton is called
ecdysis
Molting is determined by?
Hormones
how many times does the average insect molt?
4-8 times
True or false?
Winged insects do not molt after adult stage.
True
Stages between ecdysis are called?
instars
True or false?
Most insects change form during growth?
True
Change in form during growth is called?
Metamorphosis
What is simple metamorphosis?
little change in form during growth
What is complete metamorphosis?
Radical change in form during growth
What are the 3 instars of simple metamorphosis?
Egg
Nymph
Adult
3 types of simple metamorphosis?
Ametabolous
Paurometabolous
Hemimetabolous
Characteristics of Ametabolous
Wingless as adults
no obvious differences except size
Characteristics of Hemimetabolous
“incomplete” metamorphosis
very different from adults
nymphs are aquatic and have gills
Characteristics of Paurometabolous
“Gradual” metamorphosis
Adults are winged
Change in size and body structure
nymphs live in same habitat as adults