Below are the events that occur during continuous propagation of action potential. select the correct order in which the events occur. 1. adjacent membrane segment depolarizes. 2. local current spreads to adjacent voltage gated channel. 3. threshold is met. 4. local current develops due to sodium moving in the cytosol.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing

Consider the equation s + o2 ? so2. what is the product? question 3 options: s so 2 s + so 2 o 2