Please answer the questions below. Point values are listed in parentheses. In a simple ecosystem, there are two primary producers: species A and species B. Species A is eaten by species C and species D. Species E eats species B. And Species F eats E and D.

a. Please draw this food web.
b. Name a species in each trophic level

i. First trophic level
ii. Second trophic level
iii. Third trophic level

c. Name a secondary consumer in your food web.

sheep is a herbivore animal whereas grasshopper belongs to the class chordates but both of them feed on greens.  

if grasshopper and sheep feeding on a pasture land, i do not think both of them will have any impact on each other. however, the number of the species can make difference. since sheep feed on greens, there is a possibility there left no pasture land for the grasshoppers or they may get extinct.

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what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.