Cell division is important because it helps the body to heal or repair in the case of an injury and helps in the formation of gametes which add up to aid reproduction in multicellular organisms
Explanation:
a plant body that is not differentiated into stem and leaves and lacks true roots and a vascular system. hence spirogyra called a thallus.
Spirogyra is an example of Green algae , thus it prepare its own food by process of photosynthesis in presence of sunlight and chlorophyll.So, its nutrition type is Autorophic.
A lava dome would most likely be composed of a very viscous lava rich in silica like a rhyolite which would cause it to dome upwards and solidify quickly rather than spread out over the surface of the earth like a fissure eruption which more likely would be like a basalt much less viscous and flowing more freely.
The inner planets of our solar system, Mercury, Venus, Earth, and Mars, originated from small dust and larger particles in the solar nebula that collided with each other over millions of years forming larger and larger particles. These eventually became protoplanets.
You should only change one factor in an experiment, so that if something different happens, you know what probably caused it.