<span>The light-dependent reactions for photosynthesis occur in the chloroplasts of the plant cell.</span>
Answer:
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A population increase follows a period of scarcity.
With more people, the food and water resources get scarce, and isn't always enough for everyone.
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The DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones
In multi-celullar organisms , the cell cycle produces groups of cells that perform the same function. These groups of cells form what it is called a tissue. A tissue is made up of cells that all are specialised to perform the same function. A bunch of tissues form an organ. Organs are more complex in structure and functions.
lots of different organs together form an organ system.