Question

rock on! you are becoming a skilled microbiologist! the bacteria in our sample have different movement patterns. why do bacteria move?
a) to stay away from harmful environments
b) to seek other bacteria to create colonies or biofilms giving additional advantages
c) to move towards attractive environments
d) all of the options

Explanation:

Bacteria move to avoid harmful environments (such as areas with toxins), to seek other bacteria for colony or biofilm formation (which can offer protection, enhanced nutrient acquisition etc.), and to move towards attractive environments (like areas rich in nutrients). So all the given reasons are valid for bacterial movement.

Answer:

d) All of the options