Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.
Answer:
<em>The correct option is A) 6 years</em>
Explanation:
In ecological studies, carrying capacity can be described as the maximum number of organisms of a species that a particular area can hold.
Each area has certain amounts of resources to carry a specific number of individuals of a species. Beyond this capacity, resources begin to deplete and the organisms start fighting for the resources. As a result, their population declines.
The following graph shows that the forest habitat reached the carrying capacity for rats in the year 6 after which its population began to decline, instead of increasing.
Difference Between Differentiation<span> & </span>Morphogenesis<span>. Multicellular </span>organisms<span> begin</span>life<span> as single </span>cells<span> called zygotes or spores, depending on the species. ...</span>Differentiation<span> is the process by which the </span>cells<span> take on their specific functions. </span>Morphogenesis<span> is the process by which an </span>organism<span> takes on its shape.
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