All of the following except the resistance of demonstrate artificially selected resistance. a) beef cattle, to "shipping fever", b) many agricultural wheat varieties, to drought and fungus, c) antarctic fish to freezing, due to antifreeze proteins in their blood, d) many common grasshopper species to pesticides, such as diazinon, sevin, and others,

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

explanation:

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lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.