What are the functions of the micronucleus and the macronucleus in paramecium?

What is the difference of hydrogen and covalent bonds?

Which of the following philosophical approaches is modern evolutionary biology based upon? A. Existentialism B. Supernaturalism C. Methodological Naturalism D. Logical Positivism E. Humanism

Name three heterotrophs from the movie Lion king? Why are thy heterotrophs?

A redwood tree, Sequoia sempervirens is hexaploid with a total of 66 chromosomes. Considering this, how many chromosomes did the tree inherit from each of it's parents? How many chromosomes can be expected to be in each of its gametes?

How has the discovery of DNA affected the classification of protists?

What must be presented in orders for cloud to form

When so few members of a species reamin that it can no longer play its role in the biological communities where it is found, the species has undergone?

Describe what type of macromolecule lactose is and what the monomer of the macromolecule is

When Santos stands in a swimming pool and looks at his feet, his legs appear to be bent. Which is the term for this phenomenon? A) diffraction B) dispersion C) reflection D) refraction

What triggers pfiesteria change from a harmless algae feeder to a toxin producing fish killer?