The cell membrane functions as a selective barrier. We call these kind of membranes as differentially permeable or semi permeable membrane. It can decide what substances can pass in and out. Therefore it can surround the cytoplasm (which is the inside of a cell) to separate the cell's content from the surroundings.
Mitochondria would be the most likely correct.
There's multiple differences between the endotherms and the ectotherms, with the most important being:
- The endotherms maintain a constant body temperature, while the ectotherms's body temperature fluctuates with the environmental temperature.
- The endotherms have developed protection (hairs, feathers) from the outside influences, while the ectotherms do not have such accessories.
- The endotherms are warm-blooded, while the ectotherms are cold-blooded.
- The endotherms are usually bigger if the climate is colder, while the ectotherms are usually bigger if the climate is warmer.
- Endotherms are the mammals and the birds, while ectotherms are the reptiles and most of the invertebrates.
Answer:
Explanation: It depends can the electricity be produced with solar power
or wind power. If fossil fuels are only way to replace power produced by
hydroelectric power, it is not advisable not to take it off production.
Somewhere certain stairs or bypasses are done to fishes which are going upstream.
Answer:
B, the race would end it a tie(?)
- Is this a trick question?
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I hope this helped at all.</em></h3>