How do scientific models provide a practical solution for some types of research? check all that apply
models are beautiful displays created for public enjoyment.
models are simplified representations of objects or systems.
models allow scientists to study an unlimited number of subjects.
models make it possible for scientists to study very complex systems
models make it possible for scientists to study very large or very small objects.

Which would prevent a plant from growing? oa. lack of sunlightob. no supply of lithiumoc. too much waterd. too many monosaccharides

The study of interaction between living organisms and their enviroment is called (a) phytogeography (b) ecology (c) phytosociology (d) ecosystem

The human genome project is devoted to mapping the general dna sequence of our species. this could lead to the development of new medicines, as well as the possibility of using gene therapy to treat certain diseases. however, there are some ethical issues surrounding the mapping of individual genomes. one concern is a) that your genes may change over time, making the project useless. b) that insurance companies could discriminate based on genetic make-up. c) that since this has never been done before, we should probably not do it now. d) that sequencing our individual genomes is so expensive, it is a counter-productive strategy.