Help will brainlist thx

1.Food webs consist of many interconnected food chains and are more realistic representation of consumption relationships in ecosystems.

2. If the grasshopper decreased the birds and owls would not have have enough food and therefor the population of birds and owls will also decreases.when Foxes eat the birds if there are are less number of birds it will affect the population of the foxes to decreases.

hope it helps.

dz nuts.   eeneneneeenenne