Answer:
when fertilization takes place, the half of the chromosomes from the egg combine with the half of the chromosomes from the sperm to form a full 23 pairs of chromosomes which contain the genes of the offspring.
Answer:
they developed some structures or parts to survive
the terrestrial environment
Answer:
Bacteriochlorophyll
Explanation: Bacteria that contain bacteriochlorophyll do not use water as an electron donor and therefore do not produce oxygen.
Answer: The relationship between absorbance and transmittance is illustrated in the following diagram: which is added below.
So, if all the light passes through a solution without any absorption, then absorbance is zero, and percent transmittance is 100%. If all the light is absorbed, then percent transmittance is zero, and absorption is infinite.
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