Read the directions on the package!
As a general rule, you should plant seeds the same depth as their size.
Some seeds need to be well covered, others can practically sit on the surface (like grass seed).
Certain things, like bulbs, should be planted top side up but they will find their way to the surface even if planted upside down, although it is better if you can work out which end is up.
Some seeds need to be scored or soaked first to achieve proper germination. It depends on what you are planting.
Yes. Different types of soils affect plants differently.
Add lots of mulch and organic matter and plant a seed.
spermatophyte
No. As long as you have the Radiant Roxy Rose Seed, it does not matter which two other seeds you plant with it.
No. Pumpin seed sunfish only break up decaying plant matter into smaller pieces, not into nutrients, hence they are detritivores.
The Venus Flytrap is a seed plant.
When a plant starts to grow from a seed we say the seed germinates.
Seed Vegetables are vegetables where the seed/s of the plant is eaten. Not the plant itself but the seed/s
Seed develops on a plant to allow that plant to reproduce itself.
mango is the best example of a seed plant.
A cone contains the seed of the plant.
Seed develops on a plant to allow that plant to reproduce itself.
I belive seed vascular means that the plant can move needed materials through the plant and produces by seed.