<span>A protonephridia is known as a flame cell because it is a specialized excretory cell. This simply means that these cells have the ability to remove waste materials within an organ of a particular living organisms. Some freshwater invertebrates, flatworms, and rotifers have these specialized cells within their systems.<span>
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There are traits assigned weather they are dominant or recessive. Ex. Brown hair is dominant. Blonde hair is recessive. Brown eyes are dominant, blue eyes are recessive
Answer:
Biological evidence of the age of the earth includes radioactive dating of rocks, fossil evidence, comparative anatomy and molecular clocks
If I remember correctly the chloroplast creates oxygen through photosynthesis. The suns energy creates glucose and in return releases oxygen.
The answer is True.
When they differentiate, they become a specific cells with a specific function ( eg : brain cells, blood cells, liver cells, etc)
They each have a specific function which is why they're called specialized cells.
Hope this help