Trace minerals, such as iron and zinc, are necessary in small amounts, approximately milligrams daily.
a. 5000 mg
b. 100 mg
c. 50 mg
d. < 1 mg

What is the next step in muscle contraction after the actin changes shape? (apex)

Which of the following typically characterizes a tropical rainforests

Which of the following is a true statement? question 8 options: populations can't evolve, only individual organisms. individuals have adaptations that can change over time. individuals have traits that may or may not make them successful at reproduction. individuals evolve to have adaptations.