21 questions
A biotic thing in an environment is one that
is or was alive
is non-living (never has been alive)
Herbivores, omnivores, and carnivores are all
consumers
decomposers
producers
scavengers
An area of land where plants and animals interact with all of the things they need to live like air and water is
a biome
the biosphere
a community
an ecosystem
Bacteria in an environment are special because they return dead material to the soil. This special role is given the name
consumer
decomposer
producer
scavenger
When a bird finds, catches, and eats a worm, the predator is the
bird
worm
A producer in the food web shown is the
sun
grass
rabbit
hawk
fungus
A decomposer in the food web shown is the
sun
grass
rabbit
hawk
fungus
A diagram of the living things in an ecosystem that shows all of the paths energy can take as it travels from producers to consumers is a
food chain
food web
A species that has been moved to a new ecosystem and is causing damage to that ecosystem is called a(n)
consuming species
introduced species
invasive species
migrating species
Which of these things could limit the size of a population? (check all that apply)
available food
season of the year
available water
number of predators in the area
diseases in the population
A biome in the world that has forests that lose their leaves seasonally is
coniferous biome
deciduous biome
grassland biome
tropical rain forest biome
When graphing population size you can tell when a population has a limiting factor because
it has changed from a J-shaped graph to an S-shaped graph
it has changed from an S-shaped graph to a J-shaped graph
all members of the population die.
A producer is an organism that
gets energy from eating other things
gets energy from breaking down dead things in the environment
uses sunlight to make its own food
An organism that eats mostly plants is called a(n)
herbivore
consumer
producer
scavenger
An organism that can change the way it eats, adjusting to almost any condition is called a(n)
carnivore
herbivore
omnivore
scavenger
In the diagram, the shrew provides energy for the
cricket
frog
grasshopper
snake
The organism in competition with the weasel for food is the
grass
fox
snake
rabbit
What would happen to the rabbit population if the fox population moved out of the area?
The rabbit population would likely decrease
The rabbit population would likely increase
The rabbit population would likely stay the same
Symbiotic relationships where both species benefit are called
commensal
mutual
parasitic
Deer ticks harm deer in a symbiotic relationship. This means the deer tick is a
commensalist
mutualist
parasite
Sea anemones protect clownfish from predators, while clownfish eat things that harm the sea anemones. This symbiotic relationship is an example of
commensalism
mutualism
parasitism