As oceans began to form on Earth billions of years ago, they were small, warm, and not very salty
Indicate whether the statement is true or false
TRUE
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The ____, which includes the sharks, skates, and rays, are unique in possessing skeletons made of _____
A. Chondrichthyes; cartilage B. Coelocanths; cartilage C. Osteichthyes; calcium carbonate D. Chondrichthyes; silica E. Osteichtyes; cartilage
Which of the following is a fungus?
A. Truffles B. Mushrooms C. Yeast used to make bread D. All of the above are types of fungi
After completion of a genome sequencing project, the DNA sequences are analyzed to locate and identify genes in a
process called _____. a. automation b. comparative genomics c. physical mapping d. compilation e. annotation
Which of the following statements is false regarding the characteristics of Deltaproteobacteria?
A. Certain species are anaerobic. B. Certain species are photoheterotrophs. C. All of the choices are correct. D. Certain species are predators.