What organism is the main producer in freshwater ecosystems?

a. phytoplankton

b. zooplankton

c. anaerobic bacteria

d. none of the above

During which phases of the mitotic cycle would the terms chromosomes and chromatid refer to identical structures?

There is only one correct way to conduct a scientific investigation

Explain cell transport

Meaning of evolution

Occurs when heat is transfered into an object through motion or movement an example be boiling water

Which process is a form of mechanical weathering? A. Hydration B. Carbonation C. Exfoliation D. Oxidation

The nurse obtains the patient's history to identify factors that may affect drug pharmacokinetics. which patients who are on highly protein-bound drugs are likely to experience drug toxicity?

The hellenistic philosophy advocating the avoidance of both joy and pain is called

What names did the ancient romans give to the planets that they knew of

Why is an organism's niche like a person's occupation? A) An organism makes "money" by working in its niche. B) A niche is a "company" that the organism has to work in. C) A niche is a "factory" where organisms build things.