Regeneration in invertebrates Flashcards
Simon
1
Q
Types of regeneration
A
- Compensatory growth
- Regeneration of lost or damaged part
- Body remodels into new organism
2
Q
Compensatory growth def
A
Proliferation of existing tissue (mammalian liver)
3
Q
Regeneration of lost/ damaged part def
A
Regrowing a limb
4
Q
Body remodels into new organism def
A
(No def) Hydra
5
Q
Porifera regeneration steps
A
- Wound repair
- Radialization
- Restoration
6
Q
Platyhelminthes regeneration steps
A
- Neoblasts (triggers)
- Wound repair
- Blastema
- Regeneration
7
Q
Cnidarians regeneration steps
A
1.Wound repair
2. Dedifferentiation (go back to losing function)
3. Blastema
4. Regeneration
8
Q
Echinodermata regeneration steps
A
- Wound repair
- Dedifferentiation
- Blastema
- Regeneration
9
Q
Arthropoda regeneration steps
A
- Wound repair
- Molt
- Regeneration
10
Q
Mollusca regeneration steps
A
- Wound repair
- Blastema
- Regeneration
11
Q
Annelida regeneration steps
A
- Constriction
- Wound repair
- Blastema
- Regeneration
12
Q
Benefits of autonomy
A
- Increased survival
- Sublethal predation
- Removal of toxins
- Asexual reproduction
13
Q
At what cost?
A
- Regeneration can be energetically expensive
- Cost of injury
- Fidelity cost
14
Q
Regeneration can be energetically expensive
A
- Enhance resource allocation to somatic functions
- Decreased resources to sexual reproduction
15
Q
Asexual reproduction types
A
- Fission (Division)
- Fragmentation (piece off)
- Budding (buds off of another piece)
16
Q
Factors influencing regeneration
A
(Anything that affects post embryonic development!)
1. Temp
2. Nutrition
3. Salinity
4. pH
5. Level of activity
