根据第一段中“Earthworms don’t move fast. But humans can accelerate the worms’ spread. (蚯蚓移动不快。但是人类可以加速蚯蚓的蔓延。)”可知,本段提到渔民和园艺者是以此展示人类对入侵蚯蚓蔓延的影响。故选D项。【小题2】细节理解题。根据第二段中“For these regions, she says, now is the time ...
But humans can accelerate theworms’spread. Fishermen often use invasive(人侵性的earthworms to catch fish. Many have introduced invasiveearthworms to rivers, streams and lakes previously unexposed tothese animals. Gardeners who use earthworms to make their soilrich may unknowingly introduce invasive ...
1【原创】Humans are well-equipped for life on Earth. But in space, it is different. Low or zero gravity changes how the blood flows and causes motion sickness, muscle loss and tiredness. Weightlessness can also cause bone loss. But scientists are experimenting with little worms to better und...
So how can we humans, when we are merely worms? English Revised Version How much less man, that is a worm! and the son of man, which is a worm! GOD'S WORD® Translation How much less pure is a mortal-who is only a maggot- a descendant of Adam-who is only a worm!" ...
Earthworms don’t move fast. But humans can accelerate the worms’ spread. Fishermen often use invasive(蔓延性的) earthworms to catch fish. Many have introduced invasive earthworms to rivers, streams and lakes previously unexposed to these animals. Gardeners who use earthworms to make their soil ...
The researchers found that offspring that were starved inearly lifedeveloped reproductive abnormalities later on, despite being well-fed for the rest of their growing up. But surprisingly, worms were more likely to avoid such health problems and develop normally as adults if their mothers had been...
Most animals, like humans, have separate sexes. We are born, live out our lives and reproduce as one sex or the other, but some animals live as one sex in part of their lifetime and then switch to the other sex, a phenomenon called sequential hermaphrod
.Animal waste and dead bodies are broken down by small creatures,like those worms in the soil.This is their(3).The carbon dioxide that people and animals breathe(呼吸)out is used by plants to breathe and help them (4).Plants give out oxygen which people and animals ...
In assessing potential toxic loads (TL), we focused on European honeybees (Apis mellifera), compost worms (Eisenia fetida), and the European serin (Serinus serinus). These species were selected because they serve as surrogate species for official environmental risk assessments of herbicides. The TL...
Protective immune responses resulted in reduced egg production and the development of markedly fewer adult worms in the small intestines following a challenge inoculation. The role of CD4+ and CD8+ T cells in these responses was examined by depletion in vivo of either T cell subpopulation with ...