Cells could sense and respond to electromagnet signals such as light and mechanical signals such as touch. Cells often communicate with each other using chemical signals.
<span>The
answer is The frontal lobe is in charge of the more accurate, reasoned choices associated
with adulthood. Adolescents are more likely to process emotions in the
amygdala then adults who use the frontal lobe. One of the reasons for bad
decision making in adolescents is the immaturity of the prefrontal cortex.
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C Because the fact That best adapted animals in a population survive is part of natural selection
The correct answer is (b) <span>They can be directly observed.</span>