Explanation:
The similarity between tropic and nastic movement is - both are the result of external stimulus and the difference between tropic and nastic movement is the direction of the response is not dependent on the direction of the stimulus in the case of nastic movement but in the case of tropic movement, the response is dependent on the moment.
Answer:
Although you normally hear about trying to reduce or eliminate friction, it actually has some important uses.
Since friction is a resistance force that slows down or prevents motion, it is necessary in many applications where you might want to hold items or do things and prevent slipping or sliding. In those cases, there is an advantage of having friction.
Quite often uses of frction can be seen from how things would be without friction. Without friction, you would not be able to walk, drive a car, or hold objects. Pens and pencils would not work.
Explanation:
Answer:
The double-helix structure of DNA: <u><em> Watson, Crick, Franklin
</em></u>
The chemical composition of proteins: <u><em>Mulder
</em></u>
The monomer of nucleic acids:<u><em> Levene</em></u>
Competition can have a massive impact on population because it can decrease the size of some species and exponentially increase the size of some.
Hope This Helps!!!
