1 one is correct.....he never think about linkage......later after chromosome mapping it was found that Mendel was lucky that they don't show much linkage !
The respiratory system always needs iron. The red blood cells are in charge of the transport of O2. They need iron to do this.
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Answer:
Explanation:
detritivores
primary producers
the lower part of the pyramid the further away from the sun the food is the more toxic it is likely to become
photosynthesis from the sun...
Nucleotide would be the answer
Answer:
Cell,tissue,organ,organ system
Explanation:
I already took this test