What of the living things can fill the missing link in the food chain?Sun's energy —— —— Squirrels —— Hawks问号处应该填什么单词哦?

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Whatofthelivingthingscanfillthemissinglinkinthefoodchain?Sun''senergy————Squirrels——Hawks问号处应该填什么单词哦?

What of the living things can fill the missing link in the food chain?Sun's energy —— —— Squirrels —— Hawks问号处应该填什么单词哦?
What of the living things can fill the missing link in the food chain?
Sun's energy —— —— Squirrels —— Hawks
问号处应该填什么单词哦?

What of the living things can fill the missing link in the food chain?Sun's energy —— —— Squirrels —— Hawks问号处应该填什么单词哦?
问题:空白处填什么生物能够完成食物链?
答案:pine,松树,因为松树吃松树嫩叶.完整食物链就是 太阳能(其实应该是solar engergy 较贴切点)-松树-松鼠-鹰