The diagram shows the life cycle of a fer
Which labels belong in the areas marked 1 and 3?
1 - Zygote
3. Spores
1. Spores
3. Zygote
1 - Sporophyte
3. Gametophyte
1 - Gametophyte
3 -sporophyte

What evidence is there that convection occurs in earth’s troposphere?

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

What environmental cues and landmarks do the geese use to determine the timing and direction of their migration over the mountains? how do they find their way?