Which statement is true for single-celled organisms?
a.
they are often harmless.
b.
they always cause disease.
c.
they only live inside humans.
d.
they reproduce in a complicated process.

Using the periodic table, determine which material is most likely a good conductor

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms

According to this food web which of the following would be considered primary consumers