5. System level
6. Organ level
Explanation:
that's it. you are on course as shown on the screen
Answer:
In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.
The answer is Common ancestry
Pancreas. brush border enzyme<span> of the </span>small intestine<span> that digests the sugar maltose.</span>
