Evolution first came out in 1920s because that is when the president first started it
Answer:b) digestion of food
Explanation:
Answer:The larger, more menacing crusher claw also serves as a mating or sexual focus point, apparently the bigger the crusher claw the more attractive male lobsters are to female lobsters. Male lobsters develop proportionately larger claws than females of the same weight once they reach sexual maturity.
With a light microscope one can view the nucleus and endoplasmic reticulum, large vacuoles etc
The resolution of a light microscope is dependent on the wavelength of light that is the main beam of illumination. Light has approximately 0.4 um (UV)- 0.7um (Infrared) wavelength. Organelles smaller than about 0.5 um will be difficult to discern with a light microscope.
With an electron microscope one can view, in addition, even the ribosomes and mitochondria, chromosomes, tubules etc.
An electron microscope can discern very minute details of a cell. This is because its resolution is dependent on the very small wavelength of a beam of electrons which is approximately 0.002 um (about 10,000 times powerful than a light microscope)
They have to adapt to the water, the animals in the ocean, the way they hear and see.
