Studies by hargrave and geen estimated natural community graz - ing rates by measuring feeding rates of individual zooplankton species in the laboratory and then computing community grazing rates for field conditions using the known population density of grazers
由哈格雷夫( hargrave )和吉恩( geen )所進行的研究,對自然條件下的群落食
草比例進行了估計,其手段是通過測量出實驗室內單獨的浮遊
動物種類的結食比例,然後利用已知的食
草動物種群密度,計算出實地狀況下的群落食
草比例。
Every green plant is inherently resistant to some herbivores.
每一個綠色植物在遺傳上對一些食
草動物都具有抗性。
Producets are eaten by herbivores ( primary consumers )
生產者被食
草動物吞食(初級消費者) 。
Perhaps the hide of a herbivore
也許是食
草動物的皮革
These animals are small herbivores that are most likely the ancestors of the giant apatosaurus ( once known as brontosaurus )
這些
動物是小型食
草動物,極可能是巨型虛幻龍屬(一度被稱為「雷龍」 )的祖先。
Control methods have had to be employed to protect cattle and other herbivorous animals from damage to bones and teeth.
必須採用一些控制方法,保護牲畜和其它吃
草動物的骨骼和牙齒免受損害。
The camel is a herbivorous animal
駱駝是一種食
草動物左前鋒的博客。
He had stationed horsemen in all the neighboring lanes, so that he might have instant word of any movement.
他在附近所有的巷子里又布下了騎兵,這么一來,哪怕有一點點風吹
草動,他都能迅速地得到情報。
Throughout the south, there was a substantial output of hay8 and animal products and of indian corn, wheat, and other grains
在整個南方地區,乾
草、
動物製品、印第安玉米、小麥與其他谷類作物的產量很高。
Some animals, including human beings, are omnivorous and eat both meat and vegetables ; others are either carnivorous or herbivorous
包括人在內的一些
動物是雜食
動物,既吃肉類,也吃蔬菜;而其它
動物則或是食肉
動物,或是食
草動物
For example, using ontology, you could define an herbivore vegetarian one that eats only vegetable matter, a carnivore as one that eats only other animals, or an omnivore as an entity that eats both things
例如,使用本體,您就可以定義只吃蔬菜的食
草動物(素食者) 、只吃其他
動物的食肉
動物和什麼都吃的雜食
動物。
The animal would have been a primitive sauropod - - a long - necked, four - legged grazer similar to the better known brachiosaurs
這只恐龍很可能是原始的蜥腳類亞目
動物- -長頸、四條腿的食
草動物,類似於我們較為熟悉的腕足類恐龍。
Hammer and colleagues were scouring the area for fossils after having found other new species there in the 1990s. the animal would have been a primitive sauropod - a long - necked, four - legged grazer similar to the better known brachiosaurs
這只恐龍很可能是原始的蜥腳類亞目
動物-長頸四條腿的食
草動物,類似於我們較為熟悉的腕足類恐龍。
Wm in no - tillage corn in wheat - corn double cropping system in north china
免耕制度中的雜
草動態
Not too long ago and about 100 years ago before the advent of the lawn mower, lawns were kept short by grazing animals
100年前人類還沒有割
草機時,
草坪通過食
草動物保持短矮。
Forage crops like clover and alfalfa could be planted. these members of the legume family provide high protein food for grazing animals. they also improve the quality of the soil
可以種稹草料作物,如三葉草和紫花苜蓿。這此豆屬作物可以給食草動物提供高蛋白的食物。它們還可以改善土地的質量。