T5L1 Quiz Flashcards
_______________ are the behaviors and physical characteristics that allow organisms to survive.
Adaptations
What are examples of adaptation that help PREY animals survive?
Camouflage, coverings, warning coloring
The struggle to survive as animals use the same limited resource is called
competition
True or False; a characteristic that makes an individual better suited to a specific environment may eventually become common in that species through a process called natural selection..
True
A ___________ includes how an organism obtains its food, the type of food the organism eats, and what other organisms eat it.
niche
Which type of interaction involves one organism killing another organism for food?
predation
True or False; competition is a necessary interaction in every ecosystem.
True
True or False; a tiger shark bursting through the water and grabbing a sea snake swimming on the surface is an example of parasitism.
False
What effect does predation have on population size?
Predator and prey interactions may reduce the number of organisms or eliminate populations.
Predation can cause a prey population to ____________
decrease or go instinct
____________ is any relationship in which two species live closely together.
Symbiosis
______________ is a relationship in which one species benefits and the other species is neither helped nor harmed.
commensalism
____________ is a relationship in which both species benefit.
Mutualism
_____________ is a relationship in which one species benefits and the other is harmed.
commensalism
Hummingbirds feed on nectar deep within a flower. While the bird sips, the flower’s pollen rubs off on the hummingbird. The bird can carry it to another flower. This is an example of ___________
mutualism
Barnacles feed by filtering tiny organisms from the water. They grow on objects below the surface, such as piers and rocks, and attach themselves to whales. This is an example of ___________
commensalism
A dog is continually scratching itself because it has fleas. This interaction is an example of ____________
parasitism
Which type of symbiosis is difficult to identify in nature because it’s rare?
commensalism
In a garden ecosystem, a bee has a relationship with a flowering plant. The relationship is an example of mutualism. How are the bee and the plant affected in this relationship?
The bee gets food while the flower gets pollinated
A heron is a large water-dwelling bird. What type of food would it prey on?
fish and clams
List an example of parasitism.
A dog with fleas
