Which can have the most impact on an ecosystem? unnatural occurrences natural occurrences abundant resources volcanic eruptions

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

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)

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%