It is many years in the future. The shoreline waters have remained shallow. What prediction would you make about the bird population in the area?

A) Within the population, the average leg length has increased over time.
B) Within the population, the range of leg length has remained constant over time.
C) According to Darwin, variation exists so we would expect a variety of leg lengths in the population.
D) The increase in long-legged birds led to increased competition and the number of birds dropped dramatically.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

this is math not biology xd

the correct answer is d