Bali, Javan Caspian are
(a) species of tiger
(b) species of Cheetah
(c) subspecies of cheetah
(d) subspecies of tiger

Options

A. species of tiger
B. species of Cheetah
C. subspecies of cheetah
D. subspecies of tiger

Explanation

To solve the question regarding the classification of Bali, Javan, and Caspian, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Terms**: Understand the terms used in the options. The terms "species" and "subspecies" are crucial in this context. A species is a group of organisms that can interbreed, while a subspecies is a taxonomic category that ranks below species, often representing a distinct population within a species.

2. **Research the Names**: Look up the names Bali, Javan, and Caspian. These names are associated with certain types of tigers that have been recognized historically.

3. **Determine Their Classification**: Based on historical and biological records, Bali, Javan, and Caspian are recognized as subspecies of tigers. They are not separate species but rather distinct populations within the tiger species.

4. **Check Extinction Status**: It is also important to note that these subspecies have been reported as extinct in the IUCN Red List, which indicates their conservation status.

5. **Select the Correct Option**: Given that Bali, Javan, and Caspian are subspecies of tigers, the correct answer to the question is option (d) subspecies of tiger.

### Final Answer:
(d) subspecies of tiger

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