Which of the foolowing desribes early mammals?

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

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

Which is an example of a population?