Standardizing photographic methods improves database consistency.

Water clarity and sea state can affect manatee detectability during surveys.

Why is the fossil record of sirenians particularly valuable?

First-past-the-post (FPTP) countries tend to have __________ systems.

Compared to FPTP, proportional representation means that the country’s legislature more accurately reflects __________.

Almost all countries today are republics; this includes constitutional monarchies, due to the fact that royal families in constitutional monarchies __________.

First-past-the-post (FPTP) countries tend to have __________ systems.

Woodrow Wilson won the U.S. presidency in 1912 only because __________.

Compared to FPTP, proportional representation means that the country’s legislature more accurately reflects __________.

A process of devolution involves __________.