Answer:
Groups of smaller cells can have the same volume as one large cell, but be much more efficient. This is because of a higher SA/V ratio. Small cells have space between to better get nutrients.
Explanation:
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d. They can be concentrated in an organism’s fat tissues.
This is referred to as biomagnification -- the POPs become more concentrated as they move from one animal to another. This is a main concern because even trace amounts, in animals at the bottom of the food chain, can cause toxicity to animals at the top of the food chain.
Answer:
C =m rna and d= dna thread
<span>in the summer, the permafrost thaws and makes the ground soggy.</span>
