<span>D how species change over time</span>
<span>When analyzing endeavors and experiments that want to prove a specific idea or set out to test a given hypothesis, it is crucial that all of the core steps of the scientific method are implemented in their given order, so as to provide the most accurate results possible when conducting the experiment.</span>
Answer:
contractile vacuole
Explanation:
contractile vacuole is used for balance of water,salt etc
Organisms that use the same resources because there may not be enough for all, so it then becomes a competition of who gets it and who doesn't.
Answer:
The outside of the bone consists of a layer of connective tissue called the periosteum. Additionally, the outer shell of the long bone is compact bone, then a deeper layer of cancellous bone (spongy bone) which contains in the medullary cavity the bone marrow.