Infer whether species diversity increases or decreases after a fire on a grassland. explain your response

Compare and contrast the adaptations of free-living flatworms and parasitic flatworms

The united states produces an average of 429 billion pounds of food annually. about 133 billion pounds of that food ends up as waste.the percentage of food that the united states wastes each year is %.

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons