Ecological Processes and Investigations

Tony Viel from Mission Texas provides guidance on AP Environmental Science FRQ1, focusing on designing and investigating experiments. The video covers identifying control groups, formulating scientific questions, explaining experiment modifications, analyzing data, understanding ecological processes like secondary succession, and discussing biodiversity's role in recovery. It also addresses preventing the spread of invasive species, emphasizing the importance of concise answers and understanding scientific methods.

What type of question is always seen in FRQ1?

• Data Analysis

• Design and Investigation

• Multiple Choice

• Short Answer

What is the control group in the experiment discussed?

• Plot D

• Plot C

• Plot B

• Plot A

Which of the following is a correct scientific question for the investigation?

• Do genetically modified green beans grow faster?

• What is the best fertilizer for green beans?

• Will genetically modified green beans have higher crop yields than unmodified green beans?

• How do green beans grow in different soils?

How could the results be altered by changing the spray irrigation to 20 minutes per day?

• Lower crop yield in all plots

• Higher crop yield in GMO beans and lower in non-GMO beans

• Higher crop yield in all plots

• No change in crop yield

Which plot has the lowest soil temperature based on the data?

• Plot B

• Plot D

• Plot A

• Plot C

How does sediment and fertilizer runoff compare between unmodified and genetically modified beans?

• Equal in both

• Higher in unmodified beans

• No runoff in either

• Higher in genetically modified beans

Was the hypothesis that type two GMO beans would use fertilizer more completely supported?

• No, because they had the same runoff as unmodified beans

• Yes, because they had the lowest nitrogen and phosphorus runoff

• No, because they had the highest nitrogen and phosphorus runoff

• Yes, because they grew faster

What ecological process occurs when plants recolonize a habitat after a disturbance like burning?

• Climax community

• Secondary succession

• Tertiary succession

• Primary succession

Why does a community with more plant diversity recover faster from a flood?

• More species means more competition

• Higher diversity means fewer species are harmed

• More species means more food

• Higher diversity means slower recovery

What is a realistic method to prevent the new beetle species from spreading?

• Flooding the field

• Removing all plants

• Applying a chemical pesticide

• Burning the field