What is the ratio of carbon:hydrogen:oxygen atoms in ribose?

Classify the descriptions and examples as endocrine or neural control

Which of these is a major trend in land plant evolution? a) the trend toward smaller size b) the trend toward a gametophyte-dominated life cycle c) the trend toward a sporophyte-dominated life cycle d) the trend toward larger gametophytes

Hey me with this one❤☺❤ how do you say that a cell also has a life span and death like an organism? give one example.