Answer:
This is because these individual cells can independently carry out all the functions ... Moreover, individual cells of multicellular organisms cannot carry out all the ... vessels etc) that carry out different functions for the survival of the organism.
Explanation:
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It is the presence of a<span> semi-permeab</span><span>le / selectively permeable membrane </span><span>that can be attributed to the cell's ability to controls the traffic the flow of molecules into and out of the cell, to prevent the entry of toxic materials into the cell and to permit selective uptake of nutrients.</span>
Answer:
Trout is a very common freshwater fish. The lifespan is very small.
Explanation:
The trout population is affected by the climate change and also the pollution present in the freshwater. These fish variety travel for across to lay eggs. And after laying eggs they just die. The climate change and the the fishing of this variety has negatively affected the population. There are lot of varieties of trout fish like rainbow albino etc.
The rise in temperature and flood in a river is a major factor which effects the population of this fish. in USA when the temperature rises it result in flood condition in the river which affects the lifestyle of this fish.
Answer:
(B)Water evaporates from a lake into the air.
(C)Wind moves parts of rocks to another location.
(E)Polar bears dig big holes in hills of snow to protect their young.
Explanation:
B. following laboratory safety guideline minimizes the chance of lab accidents.
