In many of the places where the⑥solution n.解决,解决方法butterfly can be found, people are destroying the natural environment.[6]Theya solution to...……的解决方法cutdown@ trees and use chemicals that kill the plants that monarch caterpillars eat.⑦amazing adj.惊人的,了不...
"It's a Goldilocks situation formonarch butterflies. Too few of these chemicals in the milkweed, and the plant won't protect monarch caterpillars from being eating," Elderd said. "But too high of a concentration of these chemicals can also hurt the monarchs, slowing caterpillar development and...
"It's a Goldilocks situation formonarch butterflies. Too few of these chemicals in the milkweed, and the plant won't protect monarch caterpillars from being eating," Elderd said. "But too high of a concentration of these chemicals can also hurt the monarchs, slowing caterpillar development and...
For example, and probably the most commonly known, a female monarch butterfly will look for milkweed plants. Each butterfly species sticks to their host plant or plants, though some have adapted because of plant scarcity. While it may not be something you want to plant where people might ...
Furthermore, crops that are engineered to be pest-resistant may also pose a significant threat to both beneficial insects and pests; for example, various studies have concluded that the pollen of genetically modified corn is deadly to monarch butterfly larvae (Miller). Overall, there are several...
Monarch butterfly caterpillars(幼虫),for example, dine on milkweed. If people cut down milkweed and replace it with another plant, the butterflies will not have the food source that they need to survive. But the trouble doesn’t stop there. When insects can’t get the right plants to eat...
ln many of the places where the butterfly can be found, people are destroying the 11 environment. They cut down trees and use 12 that kill the plants that monarch caterpillars eat. The research 13 the monarch's behaviour has however led to a greater awareness of this ...
阅读下面短文,在空白处填入1个适当的单词或括号内单词的正确形式。 Many animals migrate to find food, seek a partner, or in search of warmer weather, among1are the North American monarch butterflies. Every autumn, millions of monarch butterflies begin a long and difficult journey. They manage2(...
caterpillars, for instance, eat the leaves of thistles. Monarch caterpillars eat the leaves of milkweeds. The adult butterfly serves as an important pollinator as it flies from bloom to bloom, seeking nectar. Caterpillars and adults serve as prey for other insects as well as for birds and ...
monarch butterfly caterpillars. Although monarch caterpillars consume milkweed plants, not corn, if pollen from B.t. corn is blown by the wind onto milkweed plants in nearby fields, the caterpillars could eat the pollen and perish. Unfortunately, B.t. toxins kill many species of insect larvae...