<span>The cell cycle is the process by which cells progress and divide, lies at the heart of cancer. In normal cells, the cell cycle is controlled by a complex series of signaling pathways by which a cell grows, replicates its DNA and divides.</span>
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Fucus vesiculosus<span> has a number of morphological adaptations that are extremely beneficial. First, the organism has evolved what is called a holdfast. This is root-like structure that connects the entire organism to the substrate or ground. The holdfast ensures that the organism doesn't float away from an area that it has evolved to thrive in, for example, moving from an area of lower temperatures to higher temperatures, and also changes in the salinity of the water. The picture to the right shows a holdfast of another brown algae. Notice the root-like structures that are all over the substrate.</span>
The correct answer is option D, that is, plate movements.
The Late Heavy Bombardment refers to an incident considered to have taken place about 4.1 to 3.8 billion years ago, at a time equivalent to the Eoarchean and Neohadean eras on Earth. During this time, an intense asteroid and comet bombardments are considered to have peppered all the planets in the solar system, also the Earth.
Various craters witnessed on the Moon and other bodies in the Solar System highlight the event. However, on Earth, the natural phenomenon like a plate or tectonic movements, the eruption of volcanoes, and the process of weathering have destroyed or eliminated several of the craters developed on Earth at the time of heavy bombardment.
Like many plants, most species of grass produce a bright pigment called chlorophyll. Chlorophyll absorbs blue light (high energy, short wavelengths) and red light (low energy, longer wavelengths) well, but mostly reflects green light, which accounts for your lawn's color