Population because popn is the interaction between same animals
Answer:
<em>Black moth</em>
Explanation:
During the time of the industrial revolution, the lichen that covered all the trees previously got killed. Due to the pollution arising from the industries, the colour of the woods of the trees turned into black. As a result, the light- coloured moths were not able to hide from their predators as their colour no longer matched with the colour of the trees. The black coloured moths were more adapted to survive in this environment because their colour matched with those of the woods of the trees. They were better adaptable to live in the Industrial Revolution.
Answer:
16.Difference between a Bar Magnet and a Solenoid
The bar magnet is a permanent magnet whereas a solenoid is an electromagnet ie, it acts like a magnet only when an electric current is passed through. ... The poles of the bar magnet are fixed whereas for a solenoid the poles can be altered.
17.When you press a doorbell button, you complete an electrical circuit that allows household electricity to flow through the doorbell's internal electromagnet. The magnetic field generated by the electromagnet is then used to power a mechanism that creates the doorbell sound. Doorbells are low-voltage devices.
Explanation:
Answer:
Microscopes, spectrophotometers, X-ray crystallography (more info below )
Explanation:
Wilkins studied biological molecules like DNA and viruses using a variety of microscopes, spectrophotometers and X-ray crystallography.
hope I helped!