Which of the following is a valid explanation as to why children are at a higher risk to health effects relating to environmental hazards?
a.
Children’s smaller lungs make them more likely to fill up with harmful chemicals.
b.
Children’s immune systems are not fully developed causing them to be at a higher risk.
c.
Children have less outdoor exposure, making them less adapted to outside conditions.
d.
Children take more shallow breaths than adults, causing them to inhale contaminants more frequently.

Cladistics is a way of classifying organisms by examining the characteristics of their ancestors and descendants and depicting the relationships in a cladogram. which of the following best describes a challenge in classifying organisms this way? a. there are millions of species on earth, and a cladogram is not a practical means for classifying all of them. b. it is impossible to tell which organisms are most closely related to each other using a cladogram. c. cladograms are detail-oriented and do not provide a useful understanding of evolutionary relationships. d. there is a limited number of ways to organize the information, so most cladograms end up looking very similar.