I believe that the reason we dream is because our brains are still living while we sleep.
Answer: Option A.
Different beaks were available
Explanation:
Variation is the difference between traits, cells, or characteristics between organisms of any species which is caused by change in genetic information or effect of environmental factors on the expression of genes.
From the question, different beaks were available because there is variation or differences in shapes, sizes and expression.
Don't trust me on this one, but i'll say d.
Answer:
the results will likely be recording and could inspire a new hypothesis.
Explanation:
