A. eat other organisms B. make their own food C. move around freely D. speak to other organisms 相关知识点: 试题来源: 解析 B。植物可以通过光合作用制造自己的食物。选项 A 植物不能吃其他生物。选项 C 植物不能自由移动。选项 D 植物不能说话。反馈...
Select one:... Question: Which group of organisms contains some organisms that consist of more than one cell? Select one: A. Eubacteria B. Eukarya C. Archaea The Cell The smallest unit of life is called the cell. The interior of a ce...
Plants are at the bottom of the food chain. Scientists call them producers, because they use light energy from the sun to produce food from carbon dioxide and water through photosynthesis(光合作用). Animals, unlike plants, can't produce their own food. Instead, they must ...
Which part of the ecosystem is called a producer? a. Nutrient recycler b. Animals that eat other organisms c. Photosynthetic organisms d. Animals that eat plants What do plants and animals have in common? a. They are both autotrophic. b. They are both...
Fungi(菌类) are a group of organisms that have no leaves or flowers. In fact, fungi do not even share the green color that most other plants display. Scientists say that there are over 1.5 million different species of fungi in the world. One interesting thing is thattheyoften interact with...
We eat the stems, leaves and roots of hundreds of different plants. The walls of plant cells in the stems and leaves of some species are much tougher than those in other species. Even within a single plant, the durability of cell walls can differ. Generally speaking, the weaker or more ...
Penguin and seal poo can help plants that are kilometres away. Nitrogen from the dung spreads to areas 200 times larger than the animals’ colonies inAntarctica, nourishing the plants and other animals. Antarctic penguinsandelephant sealsplay an important role in transporting nutrients from ...
Arguably the most important lesson of this episode is understanding that ecosystems are far more complex than figuring out which living things eat each other. Each part of an ecosystem affects all of the other parts. That’s why we have to be so careful when introducing plants or animals to...
If the bacteria grow around the disk, they are resistant to that antibiotic. If there is a clear zone, where bacteria did not grow, the bacteria are susceptible to the antibiotic. 21. Giraffes are known for their long necks, which allow them to eat leaves from taller t...
Grafting:Here the desired parts of two different plants are fused to form a new plant. The root is called stock and the part of the plant grafted to; is called Scion. The scion and stock should be compatible with each other. The types of grafting can be done in plants such as mango ...