The cell membrane allows this to be true
Answer:the decline of lichens is an important indicator of an imbalance in the ecosystem. this research can help system ecologists predict how pollution will affect the entire ecosystem
Explanation:
in reproductive cloning , researchers remove a mature somatic cell such as a skin cell from an animal that they wish to copy .
they transfer the DANA of the donor animals somatic cell into an egg cell , or oocyte that has had animal is referred to as a clone