\documentclass{article}
\usepackage[utf8]{inputenc}
\begin{document}
\maketitle
\section{Introduction}
% latex table generated in R 4.2.1 by xtable 1.8-4 package
% Tue Sep 13 11:07:50 2022
\begin{table}[ht]
\centering
\begin{tabular}{rllllllllll}
\hline
& Host_species & Body site & Sex & Time_point & The_lowest_temperature & The_highest_temperature & Coast & Sample_site & Sales_area & water_temperature Feb/May \
\hline
1 & Batillus_cornutus & gut & female(25) & May(34) & 13(5) & 24(5) & the_South_Sea(41) & Geomundo_Island(29) & Gangneung(17) & 12.5/20.4 \
2 & & & male(39) & & 16(5) & 22(5) & & & Yeosu(12) & 12.5/20.4 \
3 & & & & & 18(12) & 28(6), 33(6) & & Tongyeong_coast(12) & Tongyeong(12) & 10/17.9 \
4 & & & & & 22(6) & 31(6) & & & & \
5 & & & & & 26(6) & 26(6) & & & & \
6 & & & & Feb.(30) & -7(18) & 3(11), 5(7) & the_East_Sea(23) & Guryongpo(13) & Pohang(13) & 11.3/15 \
7 & & & & & -6(6) & 4(12) & & Ulleungdo_Island(5) & Ulleungdo_Island(5) & ./15 \
8 & & & & & -5(6) & & & Dokdo(5) & Dokdo(5) & ./15 \
\hline
\end{tabular}
\end{table}
\end{document}
i tried but, I coul'd the error.. also l like chage width

