形制与扛箱相仿,但要小得多,是让人提着用的多层盒子。
不锈钢食格 Stainless steel Insulation Lunch boxes
不锈钢保温食格 Stainless steel Insulation Lunch boxes
小尺度的喂食格局 Fine-Scale Feeding Patterns
康尼格拉食品 ConAgra Foods
食品价格指数 FFPI
辅食格 complementary food compartment
康尼格拉食品公司 ConAgra Foods
韦格曼斯食品超市 Wegmans Food Markets ; Wegmans
食品产品合格证 food product qualification
严格的素食主义者 vegan ; a strict vegetarian
阿格利罗的团队发现,食蚊鱼最多可以分辨大到16的两个数字的大小,但前提是每个鱼群中鱼的比例大于2:1。
Agrillo's team found that mosquitofish can discriminate between numbers up to 16, but only if the ratio between the fish in each shoal was greater than 2:1.
“对掠食鱼来说,避免被一条鱼发现轻而易举,可要避免被一千条鱼发现就难上加难了”,华盛顿大学的生物学家丹尼尔•格朗鲍姆(Daniel grunbaum)讲道。
"It's much harder for a predator to avoid being spotted by a thousand fish than it is to avoid being spotted by one," says Daniel grunbaum, a biologist at the University of Washington.
阿格·利罗的小组还发现,食蚊鱼甚至能辨别大到16的两个数字的大小,条件是这两组鱼群的数量要相差超过2:1。
Agrillo's team also found that mosquitofish can discriminate between Numbers up to 16, but only if the ratio between the fish in each shoal was greater than 2:1.
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