1. which of the following is a biotic factor?

a. sunlight
b. worms
c. water
d. climate

2. nitrogen is used by

a. plants
b. animals
c. both a and b
d. neither a or b

3. as you move from level to level in an energy pyramid, energy

a. decreases
b. increases
c. stays at the same level
d. is destroyed

4. the part of earth that supports life is a(n)

a. biome
b. ecosystem
c. biosphere
d. organism

5. population can be even, random, or clumped together.

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)

This map shows how climate change might affect precipitation patterns in the great plains of the united states by the end of this century. brown shoes a decrease in percipitation, and blue shows an increase. the maps differ based on the predictive levels of green house emissions. the maps shows that northern area should get a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.southern areas show a. more pracipations regardless of emmissions b. less pracipation, regardless of emmissions levels c. more precipitation, but only when emission levels.to use these maps to prepare for natural disasters in the great plains, scientist need to ask? a. how many tons of emissions were used at the basis of the map.b. which types of fossil fuels are used in the great plains c. if you think the above is wrong it's probly c the question is cut off

Can someone i have no idea of how to do this.