The difference between a multicellular organism and a colonial organism is that individual one-celled organisms from a colony can, if separated, survive on their own. so yes colonial organisms can live on their own.
Out of the following given choices;
15
7
24
95
The answer is 95%. The biggest contributors of this percentage are developing countries that do not have proper waste disposal mechanisms such as well structured sewer systems. It is estimated that 70% of industrial wastes in developing countries are disposed off untreated into waters where they end up in oceans through rain wash.
The appropriate answer would be e. sub tropical desert. Arid and semi-arid regions get very little rainfall per year. The plants in theses regions must have special adaptations to reduce water loss or to live in dry areas. These plants have very small leaves to reduce water loss through transpiration. Some, such as cactus have evolved to loose leaves altogether. They instead have thorns. <span />
Answer:
No.this does not cause action potential.
Explanation:
Action potential is formed from the influx of sodium ions through the special sodiun channels call volatage gated channels.
The influx caused deoplarisation and if upto to the threshold level give action potential.
The influx of sodium and out flux at the node of Ranvier does not lead to action potential neither does hydrolysis of ATPs for its active transports process.
The sodium pump is for maintenance of electrochemical gradients with potassium for maintaining Resting Membrane Potential of the neuron.