4 Written questions
3 Multiple choice questions
- A defense strategy in which an organism draws attention to itself is
- Which of the following sequences goes from the simplest level to the most complex?
- The relationship between humans and Escherichia coli bacteria in their intestines is an example of
3 True/False questions
competition → The struggle among organisms for the limited resources in an ecosystem is called
niche → Which of the following is NOT an abiotic factor?
trees → An organism's role in an ecosystem is called its