They either frow on other organisms and get there food or they eat it feom a dead animal
D Because supports large numbers of plants and species and variety of crops
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The answer would be science is a process used to gather knowledge
~Katie
It is definitely not a primary source: this would be a book itself.
Now, is it a tertiary source? I don't think so: the author of the review should have read the book and should only be referring to this book in the review.
I think it's a secondary source.
co-dominance is when neither allele is masked, so both are expressed, normally in a pattern