Organisms are interconnected and depend on each other D. Herbivores have no relationship with plants 相关知识点: 试题来源: 解析 C。解析:在生态系统中,生物之间是相互联系、相互依存的关系。所有生物都不是独立存在的,除了捕食者和猎物之间有关系外,还有如共生、竞争等关系,食草动物和植物之间存在取食关系,...
He and other biologists studying a wide variety of organisms have found that these particular RNA’s direct, in large part, the synthesis of histones, a class of proteins that bind to DNA. Once synthesized, the histones move into the cell nucleus, where section of DNA wrap around them to ...
feudalism:a political and economic system based on the relationship of a lord to people of lower status, who owed service and/or goods to the lord in exchange for the use of land.Which of the following best describes the organization of paragraph 2 ...
A bladder infection that goes untreated or is associated with residual bacteria may lead to A) pyelitis B) retrograde pyelonephritis C) glomerulonephritis D) kidney stones E) none Of these Which of the following predominate at the sites of chronic...
Which of the following describes research that is most clearly analogous to the testing done by GRIP scientists? A.Scientists studying the formation of the Sahara desert measure the rate of topsoil erosion in the region B.Scientists seeking to determine the age of a particular fossil measure the...
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 c...
The chapter describes three sets of simulations. In the first set we distinguish between micro-actions and macro-actions and we show that both micro-actions and macro-actions are real for neural networks. Micro-actions are the successive movements that make up an entire goal-directed action, ...
At the scene of the tornado he describes what happened when he went looking for the baby, "We got down here to where all this debris is up against the trees. Something caught the corner of my eye. I looked and I couldn’t see anything. And when I looked again, I could see there ...
To determine which of the following pairs have more characters in common, we need to analyze the taxonomic hierarchy and the levels of classification in biology. Step 1: Understand Taxonomic Hierarchy - The taxonomic hierarchy
Which of the following correctly describes what the parts of the DNA molecule are made of? (Select all that apply.) backbone bases backbone a phosphate group and a sugar rungs bases rungs a phosphate Which is not a subunit of DNA? A) adenin...