8. Have You Ever Met a Morphosis? : 8. Have You Ever Met a Morphosis?
Cartoon 1 : Cartoon 1
Cartoon 2 : Cartoon 2 “Wait, you idiot! Let me first get rid of these exoskeletons!”
Paraphernalia1 : Paraphernalia1 PARAPHERNALIA OF THE DAY
Paraphernalia2 : Paraphernalia2 PARAPHERNALIA OF THE DAY
Cartoon 3 : Cartoon 3 What is the point of this cartoon??
Growth : Growth ANIMAL GROWTH AND DEVELOPMENT
Development : Development ANIMAL GROWTH AND DEVELOPMENT
egg + sperm fertilized egg
immature newborn embryo
mature adult
Eggs : Eggs HAVE YOU EVER MET A MORPHOSIS
Metamorphosis, Growth and Development
I. Egg stage (all insects start here)
A. Tiny, but many shapes, colors, etc.
B. Deposited singly, in clumps or masses
Near food : Near food I.C. On, in or near food
Egg macines : Egg macines I.D. What a pretty chorion you have
E. Some females are egg-laying machines
Hatching : Hatching I.F. How do I get out of this place?
Eat & grow : Eat & grow II. Immature stage (everybody’s a kid once)
A. Called young, nymphs, or larvae
B. Mission – eat, grow, store
Molting : Molting II.C. Molting, shedding, replacing cuticle
D. Over and over ‘till I get it right
Instars : Instars II.E. Instars and pupae 1st instar 2nd instar 3rd instar pupa
Molting : Molting II.F. The molting process 1 2 3 4
Wrinkles : Wrinkles
Color change : Color change
Roaches : Roaches
Adult : Adult III. Adult stage (finally made it)
A. The ultimate molt – the perfect instar
B. Wings and sex
C. Go forth, disperse and have babies
Cartoon : Cartoon “This is it, gentlemen. The playoffs. And since our life span is only about 24 hours, let me remind you that there is no tomorrow.”
Cartoon : Cartoon “May I go ahead of you, please -- I only have 24 hours!”
Cartoon : Cartoon “Yeah, yeah, buddy, I’ve heard it all before: You’ve just metamorphosed and you’ve got 24 hours to find a mate and breed before you die . . . Well, get lost!”
Metamorphosis : Metamorphosis This process of growing is called “metamorphosis”
Butterfly Yearbook
Ametabolous : Ametabolous META(change)MORPHOSIS(form/shape) – Insect Magic
A. Ametabolous – no metamorphosis 1st instar adult
No metamorphosis : No metamorphosis IV.A. Ametabolous – no metamorphosis
1. Never any wings
2. Egg – young – adult
3. Adults and young live and eat in then same environment egg young adult
Silverfish : Silverfish IV.A. Ametabolous – no metamorphosis
Hemimetabolous : Hemimetabolous IV.B. Hemimetabolous – simple metamorphosis
1. Egg, nymph, adult egg nymphs adult
Simple metamorphosis : Simple metamorphosis IV.B. Hemimetabolous – simple metamorphosis
2. Nymph similar to adult in looks, behavior, food egg nymphs adult Wing pads
Nymphs : Nymphs IV.B.2. Nymph similar to adult in looks, behavior, food
Wings : Wings IV.B. Hemimetabolous – simple metamorphosis
3. But only adults winged and sexed egg nymphs adult
Cockroaches, etc. : Cockroaches, etc. IV.B. Hemimetabolous – simple metamorphosis
Holometabolous : Holometabolous IV.C. Holometabolous – complete metamorphosis
1. Egg – larva – pupa - adult egg larvae pupa adult
Complete metamorphosis : Complete metamorphosis IV.C. Holometabolous – complete metamorphosis 1 4 3 2
Larva : Larva IV.C. Holometabolous – complete metamorphosis
2. Are we really the same guy? egg larvae pupa adult
Pupa : Pupa IV.C. Holometabolous – complete metamorphosis
3. The resting stage - pupa egg larvae pupa adult
Pupae : Pupae IV.C. Holometabolous – complete metamorphosis
Adult : Adult IV.C. Holometabolous – complete metamorphosis
4. Again, the adults have all the fun egg larvae pupa adult
Examples : Examples IV.C. Holometabolous – complete metamorphosis
5. Larva and pupa come in many flavors
Video 1 : Video 1 See Video 1 – Unit 8
Video 2 : Video 2 See Video 2 – Unit 8
Generations : Generations V. Life cycles and generations
A. Egg to egg from days to years
egg ---> egg = one generation
B. Varies with temperature, humidity, day length, etc.
Poikilothermic : Poikilothermic VI. Temperature, poikilothermic, and diapause
Temperature : Temperature VI. Temperature, poikilothermic, and diapause
Most insects die at 140-1500 F for 1 hour
at 125-1350 F for 4-5 hours
Most insects slow down considerably at 400 F
Most die at 00 F for 4-5 hours
Diapause : Diapause VI. Temperature, poikilothermic, and diapause
Endocrine system : Endocrine system VII. How do they keep it all straight?
A. Another internal system - Endocrine System
B. Includes hormones - chemical messengers
Molting : Molting VII. How do they keep it all straight?
A. Another internal system - Endocrine System
B. Includes hormones - chemical messengers
Metamorphosis : Metamorphosis VII. How do they keep it all straight?
A. Another internal system - Endocrine System
B. Includes hormones - chemical messengers
All endocrines : All endocrines
Cartoon : Cartoon “Don’t let Dewey play. He hasn’t metamorphosed yet.”
8. Have You Ever Met a Morphosis? : 8. Have You Ever Met a Morphosis?