Community Interactions and Human impact Chapter 42-45 __________ - All the populations that live together in a habitat ___________ -the type of place where individuals of a species typically live _________- Everything it takes to survive survive and reproduce
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Community Interactions and Human impact Chapter 42-45 __________ - All the populations that live together in a habitat ___________ -the type of place where.
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Community Interactions and Human impact
Chapter 42-45
__________ - All the populations that live
together in a habitat
___________ -the type of place where
individuals of a species typically live
_________- Everything it takes to survive survive and reproduce
Species Interactions• Most interactions are neutral
• ___________________ helps one species
and has no effect on the other
• ___________________ helps both species
• _________ and parasitism both benefit
one species at a cost to another
• Example- The Yucca and the yucca moth
– Each species of yucca is pollinated only by
one species of ______
– Moth larvae can grow only in that one
species of _______
•______________ promotes traits that help prey escape predation
•It also promotes traits that make _______________ more successful at capturing prey
__________
Obligatory ________________-
•Camouflage
•Warning coloration
•Mimicry
Moment-of-truth defenses
______________ Ecology
• Natural restoration of a damaged community
can take a very long time
• Active restoration is an attempt to reestablish
biodiversity in an area
• ______________ are actively working to
restore reefs, grasslands, and wetlands
Community _________
• Disturbances can cause a community to change in ways that persist even if the change is reversed
Species Introductions
•Introduction of a nonindigenous species
can decimate a community
•No natural ___________or controls
•Can outcompete _______________species
Examples of instability
• This predator ate native cichlids; drove many
species to extinction
• Rabbits were introduced, but without predators,
their numbers soared
Rabbits in ____________
_______________ in Lake Victoria
______________ in Georgia•No natural herbivores, pathogens, or competitors
•Grows over landscapes and cannot be dug up or burned out
Diversity by Latitude• Diversity of most groups is greatest
in __________; declines toward poles
Ant diversity
Human Effects
1. ________________cycle
2. __________ cycle
3. _____________cycle
•Phosphorus is part of _______________and all
________________
1. Phosphorous cycle
•most prevalent limiting factor in ecosystems
•phosphorus runoff is causing ___________ of waterways