Question

I NEED HELP ASAP,

Answer 1

The trophic level is location of an organism in e food web

1. The number of people that can be fed by the grasshoppers is approximately 19 people

2. The number of people that can be fed by the soybean crop is approximately 166 people

3. Please find attached diagram of Biomass Pyramid

The reasons the responses are correct are as follows:

1. Required:

The number of people the grasshopper could feed

Solution:

The number of grasshoppers (gh) one chicken feeds on in a year is given as follows;

One chicken feeds on = 40 gh/day × 365 day =  14,600 gh

The number of people the gh will feed = 14,600 gh/(750 gh/day/person) ≈ 19 people

2. Required:

The number of people the soybean can feed

Solution:

The number of grasshopper eating by the half chicken the farmer eats each day = 7,300 gh

Mass of soybean consumed by the gh = 7,300 gh × 25 g/gh = 182,500 g

The soybean calorie used = 182,500 g × 3.2 cal/g = 584,000 cal

The calorie consumed per day = 3,500 cal/day

The number of people = 584,000 cal/(3,500 cal/person) ≈ 166

The number of people the soybean crop feeds ≈ 166 people

3. Required:

The diagram of the Biomass Pyramid

Solution:

The mass of the farmer = 75 kg

The mass of the chicken = 1.5 kg

The mass of chicken eaten = (1.5 kg/2) × 365 = 273.5 kg

The mass of the grasshopper = 7,300 gh × 365/(1,200 gh/kg) ≈ 2,220.4 kg

The mass of soybean = 7,300 gh × 25 g/gh × 365 = 66,612,500 g = 66,612.5 kg.

Please find attached the required Biomass Pyramid

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