I NEED HELP ASAP,
• One farmer consumes one-half (0.5) chicken per day for a year
• One chicken consumes 40 grasshoppers per day
• 1,200 grasshoppers have a mass of one kilogram
• One grasshopper requires 25 grams of soybeans per year
• One human requires 750 grasshoppers per day
• Soybeans have 3.2 calories per gram

1. Suppose the farmer chose to eat grasshoppers instead of chickens. How many people could the grasshoppers feed, compared to the one person that the chicken fed?

2. The farmer needs to consume 3,500 calories per day. If he ate only soybeans instead of the chickens or grasshoppers, how many people would his soybean crop feed?
3. Create a Biomass Pyramid using the data you have developed up to this point. At each trophic level, record the biomass of the organisms over a period of one year needed to support one farmer. Assume that a farmer weighs 75 kg and a chicken weighs 1.5 kg. The pyramid may be set up like this:

Question

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Respuesta :

oeerivona oeerivona · Answer 1 · 2021-09-16T02:05:52+02:00

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

Learn more about tropic levels here:

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