Because Model Organism's are non-human species, and researches don't want anything catastrophic to happen if they were using a human to experiment on.
They are known as Transgenic organisms
Present research indicates that adult stem cells are just as good as embryonic.
You actually can use the stem cells from adult bone marrow in stem cell research. The practice has been gaining momentum with discoveries relating to mesenchymal stem cells.
The adult organisms contains the greatest number of unipotent stem cells. It is a term that is usually applied to a cell in adult organisms.Ê
They study the stages of growth and development that living organisms pass through from fertilized egg to adult...and beyond.
Egg nymth and adult
NO
Alan Boyd Knox has written: 'Helping adults learn' -- subject(s): Adult education, Continuing education 'Current research needs related to systematic learning by adults' -- subject(s): Adult education, Research 'In-service education in adult basic education' -- subject(s): Adult education teachers, Training of 'Research arrangements within university adult education divisions' -- subject(s): Adult education, Education, Research 'The audience for liberal adult education' -- subject(s): Adult education, Humanistic Education 'International perspectives on adult education' -- subject(s): Adult education
They are known as Transgenic organisms
Elizabeth Walker Sutton has written: 'Analysis of research on selected aspects of evaluation in adult education' -- subject(s): Adult education, Research
Daniel A. Wagner has written: 'Adult Literacy Research & Development: Policy & Planning (Literacy: Research, Policy & Practice)' 'Child Development and International Development' 'Adult Literacy Research and Development: Assessment, Learning and Instruction (Literacy: Research, Policy & Practice)'
RiPAL stands for research in practice in adult literacy.It involves adult literacy, and there is an online webpage for it.
frog
Notochord
sessile
Sylvia Schmelkes has written: 'Research trends in adult education in Latin America' -- subject(s): Adult education, Research 'La Calidad En La Educacion Primaria'
because most of the single celled organisms undergo binary fission and as a result of which two new organisms arise from the previous . also after reproduction there is no sign of the adult .