How many years are represented by one ring on a tree?

Which of the following do prokaryotes lack?

Which of the following phyla correctly match their common name?

Plants that lack vascular tissue are called:

Where are protists most often found?

T/F: A change in allele frequencies over successive generations in a population signifies that some level of evolution is occurring.

Which fungal phyla forms a close symbiotic relationship with vascular plants?

What structure(s) are common to all viruses?

In which viral cycle will the virus lie dormant until triggered to reproduce?

________ take in organic molecules as sources of energy and carbon.