The human population has experienced unchecked growth for the past 200 years. What does unchecked mean? A. slow
B. At a steady rate
C. unrestrained
D. dangerous
Quick it is timed

What does it mean for a cell membrane to be selectively permable

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.