Peaches originated in china, and have been carried to much of the populated world. tomatoes are native to the andes. squash, maize, and tobacco are native to the americas, but were brought to europe. all of these important plant species would be consider species.

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Answers to mastering biology drag the labels to their appropriate locations to complete the punnett squares for morgan's reciprocal cross. drag blue labels onto the blue targets to indicate the genotypes of the parents and offspring. drag pink labels onto the pink targets to indicate the genetic makeup of the gametes (sperm and egg). labels can be used once, more than once, or not at all. hints

Why is there more biomass at the producer level that at the consumer levels ? how does this relate to the 10% rule ?