Barnacles are sessile filter feeders but unlike bivalves they have internal fertilization. How do they solve this problem?

A. The filter sperm from the water column.
B. They get fertilized during free living larval stages.
C. They are hermaphrodites with especially long penises.
D. They are only capable of asexual reproduction.


Answer: C

Biology & Microbiology

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The fossil record is usually derived from sedimentary rocks laid down millions of years ago.

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