I believe it's either genus or species.
<span>The penguin population will decrease due to shorter and warmer winters.
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Activation energy - is the minimum quantity of energy that the reacting species must possess in order to undergo a specified reaction.
The Punnett square in the image shows the resulting progeny after a cross between the two individuals of the genotype, HbAS, who are carrying the sickle cell gene. The probability of offspring getting sickle cell disease turns out to be, 25%.