Petrified Trees are an example of what kind of fossil? A. Carbonized
B. Preserved
C. Per-mineralized
D. Rock

How do accessory pigments chlorophyll?

What must be true for natural selection to heppen

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant