The oldest eukaryotic fossils are from

A graph that shows how minerals can be classified

Can anything smaller than a cell be "living"?

Prokaryotic cells and eukaryotic cells are similar in all of these aspects except: A. their ability to maintain homeostasis B. their average size C. their cell membrane D. the macromolecules they contain

Which kind of bond is created by a weak electrical attraction between polar molecules

In relation to surface area, how do you think a gigantic cytoplasm would affect a eukaryotic cell of a multicellular organism?

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?

Antibodies are made when animals detect a foreign antigen. All mammals carry albumin in their blood. How was a rabbit antibody against albumin created? Was this lethal to the rabbit? Explain you reasoning.