In aquatic plants, water passes among the tissues and provides the medium for gas exchange. In terrestrial plants, air enters the tissues, and the gases diffuse into the moisture bathing the internal cells.
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It supports it by saying that there was once only one mammal but then it reproduced and since different places have different climates they adapted or evolved to the climate changing their form and shape.
Elements in the first row (hydrogen and helium) will have outer electrons in the first energy level. Their principal quantum number is 1. Elements in the second row (lithium through neon) will have valence electrons in the second energy level with a principal quantum number of 2.
Jobs. Like a snow blowing company. They would not have that in Puerto Rico. But Canada might. Because they have a different enviornment.
Answer:
In the natural world, limiting factors like the availability of food, water, shelter and space can change the population of any living organism. Other limiting factors include:competition for resources, predation and disease can also impact populations.
Explanation:
