The valves are hydroscopic, responding to increase in the amount of moisture in the atmosphere by closing the apertures.
She scooted her chair back without responding and went to the laundry room where the pie was cooling.
We have in them evidence of two factors, a perception of some features of the environment and following this, after a longer or shorter interval, a response calculated to secure some advantage to the responding organ.
This was supposed to be the voice of Memnon responding to the greeting of his mother Eos.
This symbol harmonizes with the fact that the two rings are in complete sympathy, the one responding to every change made in the other.
As if responding to them but with a different sort of merriment, the metallic sound of the bells reverberated high above and the hot rays of the sun bathed the top of the opposite slope with yet another sort of merriment.
A very ingenious call-bell arrangement was devised, capable of responding only to regularly reversed battery currents, but not 1 See Fahie, History of Wireless Telegraphy, p. 170; also 5th Report (1897) of the Royal Commission on Electrical Communication with Lightships and Lighthouses.
Of course, he too might be responding to something he never had.
How far such adaptations are produced afresh in each generation, whether or no their effects are transmitted to descendants and so directly modify the stock, to what extent adaptations characteristic of a species or variety have come about by selection of individuals capable, in each generation, of responding favourably, or how far by the selection of individuals fortuitously suitable to the environment, or, how far, possibly by the inheritance of the responses to the environment, are problems of biology not yet definitely solved.
Dean tried listening to the two conversations while responding to the one, all at the same time but only managed to catch Cynthia's carte blanc offer for Martha to stay, 'as long as necessary'.