The Producer Price Index (PPI) program measures the average change over time in the selling prices received by domestic producers for their output. The prices included in the PPI are from the first commercial transaction for many products and some services.
Amphipods can thrive in marine settings and on moist land. Other species are found in home gardens and beneath flowerpots. Some amphipods are herbivores, while others are carnivores. Sand-, mud-and moist-soil-dwelling amphipods feed on bacteria.Other species are scavengers that feed on dead plants and animals.ehavior, Diet & Habits. All amphipod species prefer moist habitats. Amphipods that live in water are primarily white, although some may also exhibit light brown, green, dark brown or black coloration. Most amphipods become red in color when they die.
Herbivores are animals that eat only plants. Carnivores are animals that eat only meat. Omnivores are animals that eat both plants and meat. The size of an animal does not determine what it eats. Some of the biggest animals eat only plants, and very tiny animals can be carnivores. An animal's digestive tract will be specially designed according to the food it eats. An animal's teeth will also be specially designed depending on the type of food it eats. Herbivores Some animals eat only plants, making them herbivores. Often, herbivores concentrate their munching on just the fruits or seeds of plants, ignoring stems, leaves, and roots. Herbivores have special digestive tracts that are designed to handle different types of plants they might eat.