Which role, or niche, of bacteria has the most positive effect on maintaining the plant population in an ecosystem?
Bacteria produce all
of the oxygen on
Earth.
Bacteria are a
major food source
for some animals.
Bacteria
decompose dead
materials, returning
nutrients to the soil.
Bacteria in the gut
of animals can
make them sick.

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

What are the three types of counseling established by marine corps policy?

What makes a dominant allele different from a recessive allele