You need a Thesis statement that says what your claim is about GMOS' effect on bugs and super weeds. Then you need an outline- once you have a complete outline you can fill it out with information from reliable sources and details to create your essay.
Below is an example Thesis and outline.
Thesis: GMOS have a negative effect on bugs and superweeds because they (reason 1), (reason 2), and (reason 3).
Intro: Introduce the topic, The last sentence of this paragraph should be your Thesis
Body paragraph 1: restate (reason 1) and provide to examples or proofs as to why its true. you will need to cite examples. it looks like this:
commentary about example A.
commentary about example B.
last sentence of paragraph draws together the two examples and reinforces the relationship to (reason 1)
for example if your (reason 1) was that it killed endangered bugs, you would need two different examples of endangered bugs that were killed because of GMOS.
Body paragraph 2. restate (reason 2) and provide two examples or proofs.
Body paragraph 3. restate (reason 3) and provide to examples or proofs