What is the oldest known organism based on fossil record.

A) bacteria

B) viruses

C) Cyanobacteria

D) fossils

Which of the following is not an adaptation of California thrashers to life in the chaparral biome?

Which classification group consists of more organisms Class or Phylum?

Which is a function of a protein hemoglobin a. regulate blood pressure b. transport oxygen through the blood c. contract muscels d. build muscles?

Tidal energy is generated from the a. gravity of the sun and moon. c. areas that have only low tide. b. natural movement of tides. d. coastal passageways.

What is the second step in the cell cycle

How do we reduce the human impact on global climate change?

What are 2 factors that have changed the relationship between people and their environment resulting in the production of pollution

Some people have argued for the removal of cormorants from the eastern shores of Lake Ontario because of their negative effects on the fishing industry. Describe the consequences of this action.

Relate the term homozygous to heterozygous by using an example from Mendel's experiments.

What is the name of the pressure that builds over time along a fault?