The bull’s horn acacia tree secretes nectar. ants that live in the tree’s thorns eat this nectar. the ants attack any animal that disturbs the tree, and they chew up any plant that grows near the tree. this is an example of

is this an example of predation, mutualism, commensalism, parasitism

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.

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down