When we say that species must be jointly exhaustive, we mean that:

Question

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When we say that species must be jointly exhaustive, we mean that the species must cover all objects in the genus. In other words, there should not be any objects in the genus that are not covered by at least one species. Option A is incorrect because overlapping is allowed, as long as all objects are covered. Option B is incorrect because not all species are also a genus. Option D is incorrect because each species should not overlap with each other. Option E is incorrect because the species are not necessarily based on essential attributes.

When We Say That Species Must Be Jointly Exhaustive, We