<span>The
answer is a fecal occult blood test (FOBT) that checks for hidden (occult)
blood in the stool (feces) by use of a microscope. The major disadvantage is that it is not very
accurate because it is not a 100% reliable as an indicator of colorectal
cancer. Sigmoidoscopy is often undertaken following a positive FOBT</span>
Answer: false
(I hope this is right i don't know )
Explanation: No. Organisms do not control how they adapt. Adaptations occur randomly over time and may or may not provide a helpful behavioral or physical change that allows for a successful response to environmental demands
Our sleep cycles typically last usually 90 to 110 minutes on average.
