<span>Energy is usually liberated from the ATP molecule to do work in the cell by a reaction that removes one of the phosphate-oxygen groups, leaving adenosine diphosphate (ADP). When the ATP converts to ADP, the ATP is said to be spent.</span>
Answer:
Because photosynthesis is a source of oxygen, it seems intuitive that photosynthesis evolved first: once enough O2 was in the air, then respiration would be able to arise in the newly oxygen-enriched atmosphere. However, some biologists have argued since the 1970's that respiration in fact evolved first.
The endocrine system<span> refers to the collection of </span>glands<span> of an organism that </span>secrete hormones<span> directly into the </span>circulatory system<span> to be carried towards distant target organs. The major </span>endocrine glands<span> include the </span>pineal gland<span>, </span>pituitary gland<span>, </span>pancreas<span>, </span>ovaries,testes<span>, </span>thyroid gland<span>, </span>parathyroid gland<span>, </span>hypothalamus<span>, </span>gastrointestinal tract<span> and </span>adrenal glands<span>. </span>
Sorry if I’m wrong but I believe it’s the cardiovascular and lymphatic system
Hope this helps!
The answer is omnivore, because it eats plants and animals
