Cells<span> that </span>do<span> the same job combine </span>together<span> to form body tissue, such as muscle, skin, or bone tissue. Groups of different types of </span>cells<span> make up the organs in your body, such as your heart, liver, or lungs. Each organ has its own job to </span>do<span>, but all organs </span>work together<span> to maintain your body.</span>
Answer:
Each DNA strand within the double helix is a long, linear molecule made of smaller units called nucleotides that form a chain. The chemical backbones of the double helix are made up of sugar and phosphate molecules that are connected by chemical bonds, known as sugar-phosphate backbones.
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The answers are
1. Matter
2. Biosphere
Answer:
1.Make an observation.
2.Ask a question.
3.Form a hypothesis, or testable explanation.
4.Make a prediction based on the hypothesis.
5.Test the prediction.
6.Iterate: use the results to make new hypotheses or predictions.
Explanation:
During the process of ossification, an existing tissue is replaced by bone.
