Organisms belonging to the domains Archaea and Eubacteria are composed of single
cells. What criterion is used to classify each type of organism into a separate domain?

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Which enzymes break down carbohydrates?