| 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? |