Worksheets11.1 Community and Interactions
Total questions: 35
Worksheet time: 24mins
occurs between members of the same species
(a)
a species that plays an especially important role in its community
(a)
All biomes, except a desert, have populations of interacting species
True
False
Camouflage is an adaptation that has evolved through natural selection
True
False-predation
False-mimicry
Predation is a relationship in which the prey consumes the predator
True
False-camoflage,mimcry
False-predator,prey
a symbiotic relationship in which one species benefits while the other species is not affected
(a)
Interspecific competition occurs between members of the same species
True
False-Intraspecific
False-Homozygous
False-Heterozygous
Secondary succession may occur after a forest fire
True
False-primary
False-tertiary
A population consists of all the communities of all the species in the same area
True
False-ecosystem, communities
False-community, populations
There are three major types of community interactions: predation, competition, and selection
True
False-succession
False-symbiosis
Lichens that can live on bare rock may be pioneer species after a flood
True
False-landslide uncovers bare rock
False-fire
False-farming
Interspecific competition often leads to extinction, or it may lead to greater specialization
True
False-Intraspecific
False-Homozygous
False-Heterozygous
(a) competition occurs between members of different species.
A keystone species is one that plays an especially important role in its population
True
False-primary
False-community
False-secondary
Rock that hardens from lava is an example of primary succession
True
False-secondary
False-tertiary
Mutualism is a symbiotic relationship in which both species benefit
True
False-Commensalism
False-Parasitism
The first species to colonize a disturbed area such as this are called primary species
True
False-keystone
False-pioneer
False-secondary
An example of interspecific competition is
two male birds competing for the same female.
two male lions competing to lead the same pride.
two species of big cats competing for the same antelope.
Lions feed on the South African Cape buffalo: the lions are the __________________, and the buffalo are the ______________________________.
(a)
If a parasite kills its host, the parasite may also die
True
False
A population consists of all the communities of all the species in the same area
True
False-ecosystem, communities
False-community, populations
Which of the following would NOT be a community?
All the plants, insects, and soil in your back yard
All the many varieties of dogs in your neighborhood
All the fish in an aquarium
Community interactions include
predation
competition
symbiosis.
all of these
the first species to colonize an area that has never before been colonized
(a)
Which is an example of a predator-prey relationship?
The relationship between a duck and a pond of water
The relationship between a lion and a zebra
The relationship between a bee and a flower.
The relationship between a hen and a rooster.
(a) is an adaptation that in prey helps them hide from predators.
The main difference among the types of symbiotic relationships is
how many species either benefit or are harmed.
how many species are eaten.
how many species are protected.
a final stable stage
(a)
Pioneer species includes (a) that can live on bare rock.
Which of the following is a parasite?
the goby fish
the hermit crab
the shrimp
the roundworm
species that benefits in a symbiotic relationship in which another species is harmed
(a)
Which could possibly be a pioneer species during primary succession?
the first grass on new soil
the first lichen on new rock
the first layer of grass in a new park
the first trees to grow in a new forest
the change in the numbers and types of species that live in a community over time
(a)
Camouflage is
an adaptation that evolved through natural selection.
a necessary trait for commensalism.
part of a well-adapted pioneer species traits.
(a) is a relationship in which one species benefits while the other species is harmed.
