Match the type of adaptation to the example Structural Spines on a cactus:

Bird dancing for a mate:

Blubber on a whale:

Fight or Flight reflex:

Bear hibernating for the winter :

Answer blank:Structural Behavioral
Physiological

1. s

2. b

3. s

4. p

5. b

Explanation:

s= structural

b=behavioral

p=physiological

explanation:

they can be good for the ecosystem

the answer that best describes the relative refractory period in the neuron is the resting membrane potential is restored, but concentrations of sodium and potassium are not restored to their original state.

the refractory period is the time during which another stimulus given to the neuron will not lead to a second potential. thus, because na+ channels are inactivated during this time, additional depolarizing stimuli do not lead to new action potentials.  

read more on -