Option - food is the correct answer.
Food vessels such as fu, gui, and dui were popular in Zhou times. These disappeared during the Han dynasty, during which the ding, zhong, hu, and fang were the main vessel types used. In Western and Eastern Han, the ding was one of the most common bronze-derived shapes in pottery.
The correct answer should be D. ecological footprint
Biodiversity means having various species living together while habitat is a place of residence of species. Sustainability refers to the question whether or not something is ecologically sustainable.
A. direct B. indirect C. direct D. indirect
Competition occurs by direct and indirect means. Organisms interact directly by fighting (aggression) for scarce resources. Two eagles fighting over the salmon carcass and two colonies of ant clashing over a wasp are samples of aggression (direct competition)
Indirect competition happens when there is a common or limited <span>supply of at least one resource (food, water, and territory). </span>Use of this resource lessens and later depletes the amount available to others, or they compete for space.<span> Gray foxes preying on penguins and squirrels relying on nuts for food are samples of indirect competition.</span>
In the scenario where Tasha had trouble thinking that snails can also be considered as food since it did not fit with her prototype of food which is the answer.Prototype means the model in which something is being based from.
Because of human intervention, the former tend to be simpler and more predictable, because fewer organisms--crops or animals--are involved and everything is monitored/