This is prob incorrect, but I think the child is supposed to have blood type AB
Correct answers are
1) Ecosystem 1 has more abundant and consistent resources.
2) The rate of decrease in the number of species in ecosystem two reflects a disruption of the food web.
3) Ecosystem one has a broad range of trophic levels providing more stability.
4) Ecosystem two has fewer ecological niches which limits the ability of species to adapt to change.
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.
