Answer:
C
Explanation:
This is because niche talks about tje role of an organism.
Considering the humidity of the organism is not given a role to the organism.
Solar radiation, because it hasn't (at least noticeably) affected hawks.
Autosomal recessive is one of several ways that a trait, disorder, or disease can be passed down through families.
An autosomal recessive disorder means two copies of an abnormal gene must be present in order for the disease or trait to develope.
Here's the website where I got this from if you want to know more, hope this helps! :)
Source: https://www.nlm.nih.gov/medlineplus/ency/article/002052.htm
Answer:
Rosalind's x-ray showed that the ladders of nucleotides were inside a double helix.
Watson and Crick built models with the ladders on the outside.