Answer :

i don't rly understand

Number of Unique Fossils:

Rock Layer 1 (oldest): Not specified in the table.

Rock Layer 2: Not specified in the table.

Rock Layer 3 (middle layer): Not specified in the table.

Rock Layer 4 (second to top layer): Not specified in the table.

Rock Layer 5 (newest): Not specified in the table.

Relative Complexity of Fossils:

The table header mentions "Relative complexity (which are the most simple or complex)" but doesn't provide any specific examples or details about the complexity in the table.

Overall Observation:

The table doesn't provide any data regarding the number of unique fossils or their relative complexity in each rock layer.

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