Well can i see what ur assigment was. then i could better help.
A food web consists of many food chains. A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.
There are two types of photosynthesis one is light dependent and another one is light independent reaction . If temperature is change then there is no effect in light dependent reaction but the light independent reaction depends on temperature. Once the enzyme reach their optimum temperature their is increase in overall rate. For every rise in 10 degree celcius temprature its is aprroimately doubles and further optimum temprature starts to decrease , while enzymes are denatured, and stops.
Answer:
nucleotides is the right answer
Probably temperate deciduous because it experiences fall and winter (hope this helps and feel free to correct me if I'm wrong)