Bear
Trout
Flies
A forest ecosystem can support a limited number of bears. This is because
bears hibernate during the winter.
the base of the food chain is seasonal
available energy is lost from one trophic level to the next.
Light that supports photosynthesis is limited during certain times of the
year.
Activate Vindows
Go to Settings to activate Windows.

The answer is B. Because the bear kills the trout and the trout kills the flies

The main role of dna in the  cell is the long-term storage of information. it is often compared to a blueprint, since it contains the instructions to construct other components of the  cell, such as  proteins  and rna molecules.the main function of rna is to carry information of amino acid sequence from the genes to where  proteins  are assembled on  ribosomes  in the  cytoplasm. mark brainliest, my work is good.