Determine why some prokaryotes have less dna but more genes than eukaryotes.

Mitosis maintains complex organisms by which of the following processes? A) the removal of waste from the body B) the exchange of gas with the environment C) the formation of sperm and egg D) the healing of a cut after an injury

Caffeine is also a what? Opioid narcotic barbiturate psychoactive

Which is a renewable resource?

What is the first species in secondary succession

True or faults biologist classify specific forms of trades as good or bad

A molecule of carbon moves through various media during the process of its cycling. In which medium will it move the fastest? A. soil B. air C. biota D. runoff water E. oceanic water

True or false: Sunlight gives plants energy, which the plant converts to food.

Microbiologists use the gram stain to aid in the identification of bacteria. What is the major difference between gram-positive and gram-negative bacteria?

The actual pair of alleles present in the cells of an individual is known as: A. Genotype B. Karyotype C. Phenotype D. Archetype

Which of the following would most likely NOT cause mass extinction?