True or False: Antibiotics are used exclusively to treat viral infections. 

Which field of ecology focuses on interactions between organisms and their physical environment?

True or False: Plants have cell walls.

Suppose you are studying a mysterious disease and you discover that it is caused by a eukaryotic pathogen that contains nucleic acid (DNA and RNA), protein, a plasma membrane, ribosomes, and organelles. Is it most likely a bacterium, microscopic fungi, a virus, or a prion?  Explain your answer and explain how you ruled out each of the other microbes. 

Animal Biodiversity Matching: Match each description with the appropriate animal group. 

A fluid filled body cavity in animals is known as the ___________.

Which of the following is an abiotic factor that influences the abundance and distribution of species on Earth? 

Which of the following in a benefit of healthy ecosystems?

The viral ____________ is composed of proteins. 

Antiviral drugs ___________.