種の存続が危ぶまれてるから、絶滅しないように

N3 種 tane seed, cause, material, topic N1 存続 sonzoku duration, continuance N3 絶滅 zetsumetsu extinction, extermination N5 ない nai there isn't, doesn't have

N3 種 shu / tane, -gusa species, kind, class N3 存 son, zon / nagara.eru, a.ru, tamo.tsu, to.u exist, suppose, be aware of N3 続 zoku, shoku, kou, kyou / tsuzu.ku, tsuzu.keru, tsugu.nai continue, series, sequel N3 危 ki / abu.nai, aya.ui, aya.bumu dangerous, fear, uneasy N3 絶 zetsu / ta.eru, ta.yasu, ta.tsu discontinue, sever, cut off N1 滅 metsu / horo.biru, horo.bu, horo.bosu destroy, ruin, overthrow

N4 〜ようだ you da Indicates assumption based on evidence or impression, attaches to verb adjective or noun, means it seems that N5 〜から kara Indicates cause or reason, equivalent to because or since, connects two clauses explaining reason N5 〜ている te iru Indicates ongoing action, continuous state, repeated habit, or resulting condition depending on context N4 〜し shi Indicates multiple reasons or qualities, connects clauses or adjectives, means besides that, and also N5 〜が ga Marks the grammatical subject, highlights new information, can also show slight contrast in some sentences N5 〜に ni Indicates destination, target, arrival point, specific time, or person receiving an action N5 〜の no Indicates possession, relation between nouns, nominal explanation, or turns a verb into a noun phrase N5 〜か ka Marks a question, alternative, or uncertainty, appears at the sentence end or between options N5 〜よ yo Sentence ending particle adding information to listener, emphasizes statement, expresses certainty or warning