Food web: 1. Hawk
2. snake
3. mouse
4.grass
suppose 10,000 units of energy are available at the level of the grasses. What is the total number of energy units lost by the time the energy reaches the hawk? How did you get your answer?
(Please help me!)

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10 units of energy because in food chain the energy is lost and this energy loss is 90% at each trophic level so only 10% of energy is passed soo if grass has 10000 energy units mouse will have 1000, snake will have 100 and then hawk will have only 10 units

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it's     c       this is a cell (b) with a nucleus (c) containing dna (a). the dna is organized into chromosomes (d). a section of the chromosome that codes for a trait is called a gene (e).

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.