By using fossil evidence, paleontologists have concluded that most species exist from years before becoming extinct.
A. 100 to 1,000
B. 1 million to 10 million
C. 10,000 to 100,000
D. 1,000 to 10,000
E. 100,000 to 1 million
B. 1 million to 10 million
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Which of the following is normally treated by antifungal creams and solutions?
A. Subcutaneous mycoses B. Systemic mycoses C. Superficial mycoses D. Intramuscular mycoses
Which structure is common to plant and animal cells?
A) chloroplast B) wall made of cellulose C) central vacuole D) mitochondrion E) centriole
Air is continuously forced through tubes that thread through vascularized tissue in a pair of inelastic lungs in _____
a. some fish b. amphibians c. birds d. reptiles e. some small mammals
Which of the following is false about reproductive
system cancers in males? a. Prostate cancer is a leading cause of death in men. b. There are 7,000 cases of testicular cancer diagnosed each year in the Unites States. c. Some individuals who have prostate cancer are unaware of their condition. d. Prostate cancer and testicular cancer produce painful symptoms in their early stages. e. Early treatment of testicular cancer has a high success rate.