A researcher is studying a cornfield that has been recently abandoned by a farmer. By the end of one year, wild grasses begin to grow in the field. Explain whether this is an example of primary succession or secondary succession. Describe how the researcher can identify when a climax community is reached in the area that was a cornfield.

Which is an example of a decomposer? a. bear b. algae c. grass d. bacteria d bacteria

When plants use sunlight to make food, the energy of sunlight is

One of the newest applications of cell technology is called cybrid embryos. this process involves replacing the nuclear material of an animal cell with human nuclear material. how might this process affect public policies about research by using stem cells? the same policies and concerns about the use of human embryonic stem cells would most likely apply. the embryos would most likely be treated like traditional animal embryos and regulated accordingly. the process of forming cybrid embryos would most likely be banned by government regulators. the embryos would be treated as regular cells because they are not fully human in origin.