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insulin is a hormone humans have to regulate glucose levels in the blood. this is called internal feedback .individuals that do not have the ability to control their insulin level (diabetes) will:
a. be unable to maintain homeostasis
b. be able to maintain homeostasis
c. be able to eat more sugar
d. migrate to new environment

answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.

not sure if this is what you'r looking for nnew= nold

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.