Answer:
Competition occurs when two organisms fight over a resource that they need. It is a negative/negative reaction. They also compete for mates. If resources are scarce the two species will fight over the resources for their own survival.
Answer:
the part of cell division when 2 nuclei form.
Explanation:
<span>The correct answer is b. Option a is incorrect because these models can demonstrate scientific theories, but they don't prove scientific theories (you would need experiments for that). Option c is incorrect because the models aren't always representing something abstract (i.e. DNA is very real, just very small). Option d is incorrect because they don't precisely mimic something in nature, but instead help us visualize something in nature that is difficult to see or comprehend.</span>
Answer:
B is the right answer I think.