Answer: phytoplankton
Explanation: shrimp and krill are primary consumers. Primary consumers rely on producers for food. Phytoplankton are producers.
Here is a good resource:
https://nhlbi.nih.gov/health/educational/lose_wt/eat/calories.htm
The Earth core has two layers: the outer core, and the inner core. Moreover, the magnetic field protects Earth from solar weather.
The Earth's magnetic field is an invisible layer that protects life from the majority of the solar wind blast.
The magnetic field covers us from charged solar particles that crash into it and then flow around it.
Moreover, the Earth core has two layers: the outer core and the inner core, which are separated by a boundary known as the Bullen discontinuity.
Learn more about the Earth's magnetic field here:
brainly.com/question/15473741
Answer:
A. Producer, Consumer, Predator, Decomposer
Explanation:
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