Arrange the statements below in the proper sequence of events that occur in an action potential:

I. The resting potential is re-established.

II. A stimulus depolarizes the membrane to threshold.

III. Na+ gates open and Na+ rushes into the cell.

IV. K+ gates open and K+ rushes out of the cell.

TLS Online TPP Program

#Question id: 26856

#Unit 10. Ecological Principles

In ecosystem the energy flow is always

TLS Online TPP Program

#Question id: 26857

#Unit 10. Ecological Principles

Calculate the efficiency of GPP, if the energy of incident light is 1000 J but Energy fixed by GPP is 100 J ?

TLS Online TPP Program

#Question id: 26858

#Unit 10. Ecological Principles

Energy is always

TLS Online TPP Program

#Question id: 26859

#Unit 10. Ecological Principles

In marine food chains the Trophic-level transfer efficiency exceeds from

TLS Online TPP Program

#Question id: 26860

#Unit 10. Ecological Principles

Trophic-level transfer efficiency is low for which reason?

TLS Online TPP Program

#Question id: 26861

#Unit 10. Ecological Principles

Higher Consumption efficiency is seen in