All pathogens that can cause infections in human are A. chemolithotrophs
B. Photoheterotrophs
C. photoautotrophs
D. Symbiont
E. none of the above ​

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

Why is excretion necessary to maintain homeostasis?

What was the purpose of mendel's experiments with dihybrid crosses? a. to determine if dna was a transforming factor b. to determine if traits could be recessive c. to determine if traits affected each other d. to determine if traits had more than one allele