What is the input of the light-dependent reactions, labeled x? co2, h2o, o2, and light co2, h2o, and light co2 and h2o h2o and light

Some birds look for food near cattle and other livestock. the movement of the cattle churns up the ground, making insects available to the birds. the cattle appear to be unaffected by the presence of the birds. what kind of relationship exists between the birds and the cattle? o a. parasitism o b. commensalism o c. predation o d. mutualism

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 %.

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above