Part A and Part B

I need an explanation for this Environmental Science question to help me study.

read the pdf I upload and follow the requirements carefully. answer the questions as detailed as you can.

1. Part A

provides you with the opportunity to become familiar with basic concepts associated with ecosystem biotic interactions and the importance of species in shaping these interactions

2. Part B

case study

Paper format: Your assignment should include your name and student number, should be double-spaced and include in-text citation as well as a reference list at the end of your assignment. copy and paste each question and then use paragraphs/full sentences to answer the question. Remember that the assignment is worth a significant value and therefore you are evaluated on the completeness of your answer. You should include upwards of 5 references based on your own research.