Answer:
Secondary consumers
Explanation:
With out secondary consumers there would be nothing for primary consumers to eat which will lead to the whole ecosystem dying out.
Answer:
convergent validity
Explanation:
The empirical way of assessing construct validity being used is the convergent validity. Convergent validity is concerned with how closely related two studies or measures are, it measures the degree to which two studies that are supposed to be related are actually related.
Comparing the result of his study to that of two previous study in order to validate it is convergent validity.
An oligopoly is a market structure in which the market is shared between a few firms, this few firms sell identical or differentiated products , and the industry has significant barriers to entry.
The automobile industry considered an oligopoly because there are few leading auto manufacturers which are having significant influence over the industry. All these firms sell identical products. And the last characteristic of an oligopoly is also there: it is very hard for a firm to entry this market because production costs are huge.
Answer:
Natural resources, both renewable and non-renewable, and ecosystem services are a part of the real wealth of nations. They are the natural capital out of which other forms of capital are made. They contribute towards fiscal revenue, income, and poverty reduction.