Negative and Positive Species Interactions
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This occurs when one species kills and eats another organism
predation
give example of predation
a. Mountain lion and deer; Hawk and field mouse; Venus flytrap and insect; Ladybug and aphid
These are animals that eat herbaceous plants
grazers
These are animals that eat woody plants
browsers
Animals that only eat plant life is called….
herbivores
Since plants can not move to avoid herbivores, what strategies have they came up with to protect themselves?
thorns, hair, chemicals and spines
This occurs when there is a limiting resource and both species need it and may not get enough of it
competition
This consumes the tissues or robs the host organisms of its resources
parasite
This is a parasite that causes disease in its host organism
pathogen
List types of parasites
tapeworms, lice, ticks, scabies
What is the difference between predators and parasites?
the parasite does not typically kill its food source
This is a relationship between two different species in which one is unaffected and one is negatively impacted
amensalism
give a general example of amensalism
when one organism is damaged or killed by a chemical that another organism secretes
This is where one interacting species benefits from the relationship, and the other species suffers, or when both species suffer
negative species interactions
This is a relationship between members of two species in which both members benefit from the association
mutualism
This is a relationship between two organisms of different species in which one organism benefits from association and the other is unaffected
commensalism
What type of Amensalism happens when an organism secretes a chemical that harms another organism but does not effect the organism secreting
anti-biosis Amensalism