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Unformatted text preview: ersal capabilities. small gametes;
few days; adults are
o Planktotrophic (feeding) larvae: most have excellent dispersal capabilities.
o Brooders: crawl away from parents; typically have low dispersal capabilities
Marine "protists" (microorganisms) - tend to have broader geographic ranges
than invertebrates, largely because of very tiny body size
Terrestrial vertebrates - babies don't move around much; adults quite mobile;
larger size an advantage here
Terrestrial invertebrates - insects, spiders are small; can be dispersed (actively or
passively) by the wind as adults
Terrestrial plants - adults don't move; spores and seeds do
Barriers limits to dispersal exist for each type of organism, also related to body size:
Can be physiologica...
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- Spring '08