Help its due this Wednesday

first food chain:

The Producer: the trees

The Primary Consumers: elephants

The Secondary Consumers: the cheetah

The Scavengers: the termites

The Decomposers or Detritivores: mushrooms

second food chain

The Producer: grass

The Primary Consumers: zebras

The Secondary Consumers: the hyena

The Scavengers: the vultures

The Decomposers or Detritivores: microorganisms

the food web:

The Producers - the trees and grass.

The Primary Consumers – the zebras and elephants.

The Secondary Consumers – the cheetah, hyena.

The Scavengers –  the termites, vultures

The Decomposers or Detritivores – mushrooms microorganisms.

If the amount of primary Consumers increases, the number of producers would decrease and the number of other consumers would increase, but after a short time their number would also decrease and it causes immigrations.

Also, there's a nice picture I have found on a site;

it would lead to upper respiratory infections and pneumonia.

the backbone of the dna and rna compound is sugar phosphate.