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Based on the food chain below, if a bald eagle acquires 50 kg of energy, how much energy did the zooplankton get from the phytoplankton?

phytoplankton [tex]$\rightarrow$[/tex] zooplankton [tex]$\rightarrow$[/tex] bivalves [tex]$\rightarrow$[/tex] sea ducks [tex]$\rightarrow$[/tex] bald eagle

A. 500 kg
B. [tex]$5,000 kg$[/tex]
C. [tex]$50,000 kg$[/tex]
D. [tex]$500,000 kg$[/tex]

Sagot :

GinnyAnsweridn
Certainly! Let's analyze the food chain and calculate the amount of energy that the zooplankton received from the phytoplankton based on the given information.

The food chain provided is:
phytoplankton → zooplankton → bivalves → sea ducks → bald eagle

Given:
1. A bald eagle acquires 50 kg of energy.

Next, let's work our way backward through the food chain to determine the amount of energy at each level:

1. Bald eagle: The bald eagle receives 50 kg of energy.

2. Sea Ducks' Energy: Birds like sea ducks would provide this energy to the bald eagle.
- To find the sea ducks' energy, we multiply the bald eagle's energy by 10.
- Energy of sea ducks = 50 kg 10 = 500 kg.

3. Bivalves' Energy: Next, bivalves provide energy to the sea ducks.
- To find the bivalves' energy, we multiply the sea ducks' energy by 10.
- Energy of bivalves = 500 kg 10 = 5,000 kg.

4. Zooplankton's Energy: Zooplankton provide energy to the bivalves.
- To find the zooplankton’s energy, we multiply the bivalves' energy by 10.
- Energy of zooplankton = 5,000 kg * 10 = 50,000 kg.

Therefore, the zooplankton received 50,000 kg of energy from the phytoplankton.
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