The photo shows nervous tissue. What is the main function of nervous tissue?
O A. To cover the body to protect other colle

2. what process do mrna and trna work together to complete? (3 points)

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?