Homeostasis and Symmetry

external environment stays the same when internal changes

water diffuses through membrane by osmosis

concentrations move from high to low

internal environment stays the same when external changes

keeps variables exactly at the set point

organism's ability to maintain steady(stable) internal conditions

acts to keep values outside of a desired range

operates through positive feedback

yes

no

Yes

No

Yes

No

Yes

No

refraction

bilateral symmetry

reflection

radial symmetry

dichotomous

bilateral symmetry

diversity

radial symmetry

Homeostasis allows organisms to regulate their temperature

Homeostasis makes all organisms breathe

Homeostasis makes organisms grow bigger and taller

Homeostasis helps organisms locate food

Body parts arranged around a central point

No symmetry exists

One line that divides them into two mirror images