Observations are used with observing, forming a hypothesis, and analyzing data.
Explanation:
Transportation of water and food in plants takes place by vascular tissues such as xylem and phloem Transportation of water and food in animals takes place by Special cells and organs and blood is transported through haemoglobin present in animals and produce energy.
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Answer:
D
Explanation:
The correct answer would be that the origin of all cells can be traced to previous or pre-existing cells.
According to the cell theory which is made up of three parts;
- <em>The cell represents the basic unit of all life.</em>
- <em>All living organisms are made up of cells.</em>
- <em>Cells do not arise spontaneously, but only from pre-existing cells.</em>
Hence, the discovery that the origin of all cells is traceable to previously existing cells supports the latter part of the cell theory.
The correct option is, therefore, D.
Answer: metric ruler
Explanation:learned that the hard way
Chloroplast and mitochondria. Because both organelles are roughly the same size and shape as bacteria, have their own double layer membrane, and mitochondria have dna, that they were engulfed by early cells and are now organelles.
