Questions with the keyword 'organism'

• How did the first multicelled organism evolve when all organisms before it were unicelluar? How did cells suddenly by bridget to Amy, Drew, Julia, Kimberley, Sara Comments: (No comments so far )
• Why do different organisms have different numbers of chromosomes? by jumute to Amy, Drew, Julia, Kimberley, Sara Comments: (No comments so far )
• Evolution is caused by a mutation of the cells. Why is it that this mutation helps that organism to survive better? by cai192546 to Sara Comments: (No comments so far )