True
It’s pretty obvious and i’ve done this before
<span>The mirror is used to focus light through the opening in the in the stage of the microscope.</span>
Yes it is it usually
entirely
D. A struggle for existence is apparent.
If a struggle for existence is apparent, natural selection occurs because all of the weak/unfit/unadapted ones die.
According to the biological species concept, organisms belong to the same species if they can interbreed to produce viable, fertile offspring. Species are separated from one another by prezygotic and postzygotic barriers, which prevent mating or the production of viable, fertile offspring.
