A biologist is studying how water temperature affects algae growth rate. Which of the following data sets is the most relevant to her investigation?

A report on the different species of fish that eat algae in the wild.

Historical records of ocean salinity in the area where the algae were collected.

Algae mass measured daily in tanks kept at different, controlled temperatures.

An analysis of the chemical composition of the glass used for the tanks.

A student claims that plants grow taller in sunlight. Which of the following pieces of evidence would be considered the lowest quality to support this claim?

A statement saying, "I looked at some plants and the ones in the sun seemed a bit taller."

A chart showing the exact height of 10 plants measured weekly, with 5 in sun and 5 in shade.

A data table from a university study comparing plant growth under controlled light conditions.

A time-lapse video documenting the growth of two identical plants, one in sun and one in shade.

Publishing the data immediately in a scientific journal.

Judging if the data is relevant to the specific question being asked.

Redoing the experiment with different equipment to see if the results change.

Creating a complex visual graph, even if the data is simple.

It was collected with the newest equipment.

It helps answer the specific research question.

It is presented in a visually appealing graph.

It has been approved by many other scientists.

Reliable sources always present data that is easy to understand.

Information from unreliable sources is always intentionally misleading.

A reliable source indicates that the data was likely collected using established, careful methods.

Only data published in the most famous scientific journals can be considered reliable.