Answer:
I. evolved from ancestors that walked
Explanation:
Whales and pythons have vestigial structures, which are structures (hind legs) which are no longer useful to them since they have evolved. The ancestors of the whale and python did use the hind legs but over generations the whale and snake have adapted to new environments and they no longer need them.
D.) Is the most sensible answer.
Explanation: I used the process of elimination to solve this. Groundwater recharge sounds too far off of the topic, snow melt is...well...melting snow, infiltration also has nothing to do with the subject, but surface runoff is the only one that makes sense, is on topic, and seems to have a meaning similar to the occurrences describes in your question.
1. Pulmonary Blastomycosis: is transmitted from inhalation of spores from dust and iscaused by Blastomyces dermatitidis. It targets the lungs and shows signs of fever,chills, joint pain, muscle pain and headache and cough.
2. Histoplasmosis:caused by Histoplasma Capsulatum that is transmitted by theinhalation of spores near bird or bat droppings, it targets the alveolar in the lungs andshows signs related to the flu, and chronic cough.
3. Aspergillosis: this is caused by the organism aspergillus spp. It is transmitted by theinhalation of spores from moldy vegetation and targets the lungs. The symptoms arecough with blood, wheezing, fatigue, shortness of breath, fever and chills, chest pain,face swelling and skin lesions.
I believe that the answer is an ecosystem
