填空题

Since rainforest bacteria and trees depend on each other for life, the relationship they from is termed ______.

【参考答案】

symbiotic
<上一题 目录 下一题>
热门 试题

填空题
New tree seedlings will not survive to reach the canopy level unless ______.
填空题
Stranglers are so called because they ______ by blocking the sunlight and competing for the nutrients.
相关试题