Just as the organs in an organ system work together to accomplish their task, so the different organ systems also cooperate to keep the body running. For example, the respiratory system and the circulatory system work closely together to deliver oxygen to cells and to get rid of the carbon dioxide the cells produce.
G1 is the cell growth phase where the cell accumulates nutrients and decide if it is going to undergo the cell cycle, as determined by the restriction point in G1. If the cell has insufficient nutrients or has not grown sufficiently to enter the cell cycle, it will remain in G1 or exit to G0 phase where it will not divide.
G2 occurs after S phase DNA replication in the cell cycle. In G2, the cell is growing and preparing for cell cycle by producing proteins required such as the centrosome.
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Answer:
E. Attention; perception
Explanation:
Attention:
Its simply refered to as the process of focusing a certain measure of cognitive resources needed to obtain the significant results from transforming inputs on sensory or mental incidents
Perception:
This are processes needed to process each daily stimuli an individual encounters. It relies on understanding several sensations by receiving and processing stimuli gotten from the environment.
Explanation:
Lichen is the best species to determine the pollution of air. They are highly sensitive to pollution and will barely be found growing on trees or rock in regions where the air has been polluted.
Worms are also a good indicators of pollution in the soil. Polluted soils will have very few to no worms.
Small invertebrates like the Caddisfly are used to determine pollution of water. They are very sensitive to water pollution and cannot be found in polluted waters. In addition toads and frogs are rare in polluted waters and air.
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Answer:
because of the use of oil and fossil fuel and the improvement of inventions
Explanation: