though we cannot be sure of its presence in the simpler organisms, and it is very difficult to say in general what provides evidence of it. (Some extremists have been prepared to deny it even of mammals other than man.) No doubt it occurs in countless forms totally unimaginable to us...
Which organic molecule below is most closely related to lipids? a. amino acids b. CH_2 chains c. nucleotides d. sugars What is a compound composed of two amino acids bonded together called? What are the most important organic molecules for living beings?
What is the relatedness of two organisms? The appropriate indicator of relatedness isthe age of two organisms' most recent common ancestor. Organisms that share a more recent common ancestor are more closely related than organisms with a most recent common ancestor that is older. ...
All species on Earth, both living and extinct, are related. We know this because of a biological tool called the tree of life. This "tree" takes the form of a diagram that maps the relationships between plants, animals and other organisms. Its "trunk" successively forks into millions of ...
Biology is the study of living things (bio=life). It is a branch of science that includes all living organisms on Earth, which are the many different... Learn more about this topic: Biology | Definition, Concepts & Fields from Chapter 1/ Lesson 1 ...
Two moments brought us to the present, when the most inexpensive goods on one side of the world can be found in markets on the other: The first resulted from incredible changes in transport technologies (railroads, steam engines, the first refrigerated train cars, and so forth) in the 19th...
What are epidemic prone diseases? What diseases are caused by retroviruses? How did HIV spread from chimpanzees to humans? What disease does AIDS cause? What infectious diseases have been eradicated? What organisms cause infectious disease?
Among them, the most common organisms found inside are immature stages of Diptera and Coleoptera [7,8,9,10]. Moth flies (Insecta: Diptera: Psychodidae) are commonly found in water bodies, as the majority of psychodid species develop in water during larval stages, with a few exceptions that...
Some taxonomists split the multicellular algae into two kingdoms, placing the multicellular brown and red algae with the protists and the multicellular green algae into the plant kingdom. These different attempts to classify closely related organisms are good examples of how difficult it is to ...
How are fungi fundamentally different from other living organisms? What are the similarities and differences between plant and animal adaptations? Do you think a Fungus is more like a plant, or more like an animal? Explain two characteristics of fungi that support your answer. ...