What traits to animals share?
-:- Eukaryotic, heterotrophic, able to move
Cell to cell connections in plants
-:- Plasmodesmo, flow of nutrients between cells
Cell to cell connections animals
-:- Tight junctions, strong connection
Some multicellularity advantages
-:- Cells have dedicated ...
✓ -:- species formation without branching of the evolutionary line of
descent.
How do animals evolve?
✓ -:- 1. Heritable traits
2. Speciationm anagenesis, extinction
3. Adaptations to changing enivornments
- Different solutions to the same problems
- Change can be rapid
covergent evolution
✓ -:- when structures look the same and share a common function but
are not derived from a common ancestor, think of falcon (bird) , bats
(mammal, pteridactyl (reptile)
PROOF THAT: limited possible solutions to problems faced by problems, evolution drives
these animals to the final solution
3|P a g e | G r a d e A + | 2 0 2 0 2 5
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