Drawing Conclusions About Brown Tree Snakes
HANDOUT
1.10.B
1. The brown tree snake is native in areas such as Australia and eastern Indonesia. In
those ecosystems, the brown tree snake is not causing the decline of bird or tree
populations. So what makes this same species damaging in Guam? Identify some
characteristics a species may possess that would fuel its ability to cause ecological
damage, as the brown tree snake has in Guam. Provide some reasoning for why
you chose these characteristics.

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.  

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the correct answer is:

a population changes in response to a change in the environment.

they both go up but then go back down. they both end lower than they started. lastly, they both are competitive/the second on.

explanation: