I think it’s organism since it already stated skeletal and respiratory then it means it cannot be tissue or organ because skeletal is included so i say go for organism
<span>Some of the things that would make the experiment invalid would be, if there was a variation in the behavior of the class with respect to food - for example, if some people ate their breakfast earlier than the others. This then would mean that some students would have already digested their breakfast during the morning classes and the others would still be digesting. </span>
A mountain lion population recently experienced a drop in population size. The best limiting factor that is involved is- The deer population experienced a rapid decline due to a parasite.
Only this could be the best possible answer out of all other options because when there are no deer, there is no food for the lions.
Answer:
A.
Explanation:
There is also much climate evidence supporting continental drift, most notable of which is glacial activity. Alfred Wegener investigated this field and found an anomaly in the Permo-Carboniferous ice sheet that was found through glacial till deposits to have once covered all the southern major plates.
You eat the turkey sandwich on wheat bread with mayyonaise using your mouth the salivary gland produce a hormone to help your mouth chew and it breaking down into a pieces to ensure that it would be fit to your esophagus. then when the food enter on your esophagus a narrow long tube connected to your mouth a peristalsis a smooth tissue will help to narrow down the food towarda your stomach and then when the food reach your stomach your stomach undergo a series of reaction first your stomach breaking down the food into a little pieces and mixed it with a strong gastric juice to extract the proteins and the raw materials needed by your body (then it is different discussion for today) your stomach need to process your food up to 6 hrs of digestion after that the food will become a feces this will enter to the small intestine and to the rectum and then to the anus.