First option:
Ecosystem --> population —> community —> organism
Answer:
tracheae
instead of lungs, insects breathe with a network of tiny tubes called tracheae
The food chain works like, us humans are at the top we eat everything below and because we are at the to of the food chain nothing eats us and everything below gets eaten. OK think about it like this the small fish eats the plankton and the medium fish eats the small fish and so on the big fish eats the medium fish and then the human or shark eats the big fish
Problems with stomach emptying (gastroparesis) occur when stomach muscles don't work correctly. Although the underlying cause can't always be found, damage to pacemaker cells and nerves in the stomach due to diabetes or surgery can lead to stomach muscle dysfunction.
Answer:
A type of reproduction by which offspring arise from a single organism is called ASEXUAL REPRODUCTION