•At
leading edge, on ave. only one seed survives.
•106 seeds worth 103 penetrate twice
as far.
•Later generations fall farther behind leading edge, but grow in number.
Seeds spend more to discern the fewer
open oases, land at worse oasis types, stay
there longer, and then send out more cheaper slower lower-mortality seeds less far.
•Prefer to send identical seeds, all at once.
•Any left-behinds want to leave ASAP.
•Lower limit to growth rate tolerate, % open oases.
•