Yes, lichens in the arctic tundra food chain are considered primary producers rather than consumers, as they make their own food through photosynthesis using sunlight, water, and nutrients from the soil. They are an important food source for herbivores like caribou and musk oxen in the arctic tundra ecosystem.
They try to eat very warm food, they also hunt for fish and animals in the Arctic tundra.
Yes, polar bears are on the top of the Arctic food chain. Then the seals.
the predator
Dingoes are at the top of the food chain. They are predators, and scavengers, and will prey on smaller or injured marsupials and other mammals.
Arctic Foxes and scavenger birds
Yes.
Hyenas are scavengers.
there are no decomposers in a tundra
Simplistically, from their food. However, the base of the food chains, the producers of the tundra, are the plants such as arctic mosses, which photosynthesise like plants everywhere.
It means that only the strongest organisms in the tundra can survive, like the polar bears who are on top of the food chain in the arctic. Also there is low number of different organisms there.
bacteria is one Vultures, beetles, flies, crabs