Answer:
True
Explanation:
The transmission electron microscope, is a potential microscope that can make bigger the objects 1 million times. The main use is to analyze metals and other materials, to observe the arrangements of the particles in it. Also some other structures as the viruses can be observed with this microscope.
When the optic microscope can not see some structures like the organelles, then it is used this kind of microscope.
It is used also to observe some organelles, membranes, and other structures.
Diastole is the relaxation phase of the cardiac cycle. It is the normal rhythmic dilation of the heart's valves. During this time, the valves start to gather blood inside of their chambers. There are two types of diastole that occur in the heart, and they are:
1. Ventricular diastole - this is the period where the ventricles are filling and relaxing.
2. Atrial diastole - the period in which the atria are relaxing.
This is a continuous cycle that occurs in the heart the moment a person is conceived until the person meets his/her death.
Egg cause thingsnwere laying eggs before chickens were. and first chicken was a genetic mutation.
Answer:
The answer is natural selection.
Explanation:
Natural selection will make an organism to survive and reproduce because, it will be better suited to the environment.
This is the reason why natural selection is considered as a key mechanism of the evolution.
