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WorksheetsBio B - Unit 4.9 Test Review
Total questions: 27
Worksheet time: 9mins
The image shows various stages in the water cycle. During which stage does water flow back towards the sea as runoff?
W
X
Y
Z
Rain and snowmelt that infiltrates the ground is called
backflow
groundwater
spongate
infiltrate
The movement of water from the Earth's surface downward is known as:
precipitation
infiltration
flow
evaporation
What symbiotic relationship occurs between bees and flowers?
Mutualistic
Parasitic
Commensalistic
Competitive
What symbiotic relationship occurs between humans and "gut" bacteria?
Mutualistic
Parasitic
Commensalistic
Competitive
What would happen to the bird if the green fish died out?
the bird population would grow
the bird population would die out
the smaller fish will die out
What is the bottom layer of the an energy pyramid?
producer
tertiary consumer
Secondary consumer
primary consumer
What would happen to the bird if the green fish died out?
The bird population would grow
The smaller fish will die out
The bird population will die out
What is logistic growth?
Type of population growth that starts off slow, then accelerates, and eventually levels off
Type of population growth that starts off fast, then accelerates, and eventually stops.
Type of population growth that starts off slow, then decelerates, and eventually stops.
Type of population growth that starts off fast, then decelerates, and eventually levels off.
What is carrying capacity?
The minimum number of individuals an environment can support.
The average number of individuals an environment can support.
The number of individuals that have migrated from one environment to another.
Maximum number of individuals an environment can support
What is growth rate?
Rate at which a population increases over time.
Rate at which a population fluctuates over time.
Rate at which a population remains constant over time.
Rate at which a population decreases over time.
A species that plays a critical role in the health, maintenance, growth, or definition of an ecosystem.
keystone
invasive
engineer
predator
Why are some sharks considered a keystone species?
Because they are a top predator
They scare off smaller fish that may overgraze an area of sea grass
They are tertiary consumers
They are cartilaginous
In which organism would biomagnification be the most concentrated? (Remember the lab: Rabbits eat the grass, the snake eats the rabbit, the hawk eats the snake--the hawk is the apex predator)
grass
rabbit
snake
hawk
Pesticides and herbicides eventually show up in higher-level consumers (i.e. as you go up the food chain) due to
biomagnification
climate change
habitat destruction
bioaccumulation
What kind of growth is this?
Logistic
Exponential
Carrying Capacity
Secondary
Estimate the carrying capacity.
100 deer
80 deer
60 deer
40 deer
