Professor: Yes, so that means they can allocate less energy to heating their extremities and more energy to maintaining stable temperature in their body core where their vital organs are located. 教授:是的,这意味着它们可以分配更少的能量来加热他们的四肢,分配更多的能量来保持稳定身体核心部位的温度,...
Plants and plantlike plankton are called phytoplankton, while animals and animal-like plankton are called zooplankton. 植物型或类植物型的浮游生物被称作浮游植物,而动物型或类动物型的浮游生物叫做浮游动物。 For over a century now, researchers have been trying to solve a mystery about zooplankton. 一百...
(2)D.根据后句"The light on many flowers guides butterflies to honey."可知说的是阳光,结合选项,应说但是它们能感觉到阳光,阳光告诉它们方向.故选D.(3)E.根据前句"Sense organs (器官)are in their feet, and many other parts of the body."可知说的是感觉器官的作用,结合选项,应说他们可以帮助蝴蝶...
Why are receptors important to plant hormones? Explain how calcium regulation hormones and growth hormones work. Include all organs involved and the hormones that each organ produces to stimulate the process as well as the final hormone in the sequence and what it does in the body. ...
No matter where the things are, on the right, on the left, before them or after them, they can see them without turning their heads. Like most insects, butterflies are very nearsighted. They are more likely to notice a se a of flowers than a single plant. Butterflies do not“see”...
between the good and the bad; and when at last I shall plant, I shall be less likely to be disappointed. But I would say to my fellows, once for all, As long as possible live free and uncommitted. It makes but little difference whether you are committed to a farm or the county ...
Vascular plants have conducting, also referred to as vascular or liquefied, tissues that transport water, minerals, and photosynthetic materials throughout the plant’s roots, stems, and leaves. They differ from nonvascular plants, which do not have conducting tissues, and require water for ...
Like most insects, butterflies are very nearsighted. They are more likely to notice a sea of flowers than a single plant. Butterflies do not “see” colors such as red, green, and yellow. They are color blind. But they can sense sunlight, which tells them the direction that the sun...
What are the main agents of pollination in green plants? What is the main way in which a plant grows? What are the essential and non-essential parts of a flower for reproduction in plants? Which of the following are the reproductive organs of angiosperms? a) Stems b) Leaves c...
Our “vermiform process,” or appendix, is perhaps the best-known among or vestigial organs. It’s the small pouch that protrudes from the colon (large intestine) at the bottom right of the abdomen. In plant-eating mammals such as rodents and primates, the appendix helps digest cellulose. ...