Describe what limitations are present in the image about this ecosystem?

What is mitosis and how does it affect change

Which statement describes compounds a. compounds are made of one type of atom. b. compounds cannot be represented by models. c. compounds are represented by chemical formulas. d. compounds cannot be broken down into simpler forms.

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.