How many genes do u have for each trait?

After hydrogen and oxygen, witch element makes up almost all of the most common substance in your body

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

Name the part of the the brain labeled "e".