Which of the following statements is true? a. biotic factors are nonliving components of an ecosystem. b. abiotic factors are living components of an ecosystem. c. the available space in an ecosystem is an abiotic limiting factor. d. the available water supply in an ecosystem is a biotic limiting factor.

What is the function of the somatic nervous system? connects the brain and the spinal cord to the rest of the body carry signals to the muscles and glands includes all nerves controlling the muscular system and external sensory receptors controls internal organs like the heart and bladder

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.

Cells must be in osmotic equilibrium with their surroundings environments because if they swell or shrink thier membranes will rupture