*Question*
You are presented with the question "what often infects bacteria?" and the following answer choices: - major threat to health - h2o - simplest known organisms - Food poisoning - mercury - humans - By wind and rain - microorganisms Now knowing that viruses often infect bacteria and viruses Viruses are the simplest organisms known, choose the best answer.
**Answer**
simplest known organisms

*Question*
You are presented with the question "What process provides one substance transported by the blood?" and the following answer choices: - breathing - heat produced - drink - complex - osmosis - sweating - cell division - condensation Now knowing that oxygen is just one substance transported by the blood and breathing and circulation allow oxygen to be transported to the body's cells, choose the best answer.
**Answer**
breathing

*Question*
You are presented with the question "Arthropods with what may live in large colonies and have complex social behaviors." and the following answer choices: - fur - gills - animals - complex - Wasps - vertebrae - Flowers - wings Now knowing that insects may live in large colonies and have complex social behaviors and insects are the only arthropod to have wings, choose the best answer.
**Answer**
wings

*Question*
You are presented with the question "What do fish require to survive?" and the following answer choices: - food particles - ocean water - salt and water. - Getting eaten - Heavy boots - aerobic capacity - Great amounts of water - Wait staff Now knowing that an aquatic animal requires great amounts of water to survive and fish and other small aquatic animals can be placed in the aquarium for visual purposes, choose the best answer.
**Answer**
Great amounts of water