Answer:A
Explanation:
i think it’s a bc blue whales and penguins and herring eats krill so the arrows for them would point to krill and well algae can’t eat u so
The sun is the source for photosynthesis
Student 1’s methods would be more accurate, because the student would control more factors. Only one variable at a time (either temperature or acidity) would be tested on each group of worms. On the other hand, Student 2 is testing both factors on all the worms, which could make the results unclear.
The allele that is masked is recessive. The one which masks it is dominant.