There are five species of the Texas state flower Bluebonnet flower is found in a different region of Texas and a slightly different traits what most likely accounts for this variation A. Selective pollinationB. Genetic engineering c. Selective breedingD. natural selection

ecological efficiency: % of usable energy transferred as

biomass from one trophic level to the next typical is 10% efficient (90% of

energy is lost),is diagramed as the pyramid of energy flow. then osprey eagle

are tertiary consumer and the shrimp are primary consumer, so to balance

mass of shrimp (1/0.1) / 0.1 = 100 kg 

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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.

d. planting trees

the trees take in carbon to make oxygen.

what? are the statements?