When is the microscope a useful tool for biologists?

Which of the following is the main advantage of asexual reproduction? a genetic variety b speed of reproduction c reduced frequency of mutation d ability to find a mate quickly

La fotosíntesis es un proceso que tiene lugar principalmente en: A. El tallo. B. Las hojas. C. Las flores. D. Las raíces

What is one way that members of archaebacteria are different from members of eubacteria?

Sal has decreased levels of the neurotransmitter dopamine in his prefrontal cortex. which disorder might he be at risk of experiencing? a. antisocial personality disorder b. agoraphobia c. schizophrenia d. dissociative fugue

Which of the following best describes the logic of scientific inquiry? a. If generate a testable hypothesis, tests and observations will support it. b. If my pridiction is correct, it will lead to a testable hypothesis. c.

In a successional community, some kinds of organisms like fungi or beetles are present in every stage of succession.

What's responsible for preventing the gas giants from collapsing into a star?

If both species are harmed, it is a commensalistic interaction. or a. True b. False

Influenza (the flu) is caused by a virus that attacks the respiratory system. Which type of gene is most likely to be widely expressed in the body of someone who contracts the influenza virus?

How much time would it take for the second of thunder to travel 2000 meters if sound travels at the speed of 330 meters per sec