【题目】"How are frogs(青蛙) different from us?" theteacher asked. T he class was happy to tell the teacher. T he class knew that frogs are different from people. T hey knew that frogs are amphibians(两栖动物)Raina said, "I know we are different from frogs. We are not amphibians. ...
Although a frog and a human may not seem very similar, both humans and frogs need blood and blood cells to carry oxygen to their internal organs. However, there are several differences between frog and human blood, and observing these differences can make for an interesting project. You can ...
They are alldifferent from each other Mammals are animal ikedogs cats cows lionstigers and humans They givebirth to ive young And they feed ther young withmilk from thei mothes Birds have feathers and mostof themcan fy Penguins hawks,and sparrows are birds Repiles andamphibians are similar Bot...
Similar cloning occurs in grass, potatoes and onions. People have been cloning plants in one way or another for thousands of years. For example, when you take a leaf cutting from a plant and grow it into a new plant (vegetative propagation), you are cloning the original plant because ...
There were no humans on Earth when dinosaurs lived, so there are no written records or illustrations of how they behaved or what they looked like. All we have are: Bone and egg fossils Collections of footprints called trackways Our knowledge of living animals Dinosaur Facts Modern lizards, li...
Frogs vs. Toads Frogs and toads (Bufonidae) look similar, but are they really the same? Every toad is a type of frog with thicker, drier skin that often has bumps on it, but there are other varieties of frogs that aren't toads. The difference in skin makes toads able to stay...
However, if you plan to add other animals to thedwarf frog aquarium, the ideal options would be loaches, bettas, and tetras. Bettas and these frogs are very compatible as they share similar preferences. However, smaller fish like gourami and guppies should be avoided. ...
Mice and frogs are quite distant relatives, so the fact they have these molecules (分子) in common in their skin suggests they might well be found in the skin of other mammals, such as humans. “We have no reason to think that they are not in the skin of people too,” Johnson said...
According to popular belief, frogs are boiled to death when the water is heated gradually. In this paper, we investigate how humans respond to a very slow versus a very steep increase of a subsidy on contributions to a public good. In an experiment, we vary the mode of the increase (gra...
ingredient. They shared their learning with their classmates and families and included their families in their learning journey at home through the creation of various foods and dishes. As global citizens, our second-grade ...