WorksheetsUnit 1 Vocabulary Practice
Total questions: 50
Worksheet time: 25mins
Name
Class
Date
1.
An invasive species is
a)
a species that belongs in an area
b)
a species that will soon be extinct
c)
a species that is brought to an area and causes harm to the ecosystem
d)
a species that is protected by law
2.
Biodiversity is
a)
the variety of life on earth
b)
not healthy for an ecosystem
c)
when there are not many different plant and animal species in an area
d)
all of the non living parts of an ecosystem
3.
An omnivore
a)
is an organism that only gets it energy from other animals
b)
is an organism that gets it energy from animals and plants
c)
is a relationship where both species are helped
d)
is an organism that gets it energy only from plants
4.
Surface runoff
a)
is water that does not get absorbed (soaked into) the ground
b)
is the boundary between two watersheds
c)
is the water does get absorbed into the ground and flows to the nearest waterway
d)
is another word for small stream
5.
Nitrogen Fixation is the process
a)
when nitrites are changed into nitrates
b)
when nitrogen gas in the atmosphere is changed into useable forms like ammonia
c)
when ammonia is changed into nitrites
d)
when plants change take in nitrates into their roots
6.
Transpiration
a)
is the evaporation of water from a plant
b)
the process of burning something
c)
the change of water from its gas form to liquid form
d)
the change of water from a liquid to a solid state
7.
An herbivore
a)
is an organism which gets its energy only from animals
b)
is an organism which gets its energy only from plants
c)
is an organism which gets its energy from both plants and animals
d)
is an organism which gets its energy from the atmosphere
8.
In a food web a primary (first order) consumer-
a)
use sunlight to make their own food for energy
b)
feed on plants for energy
c)
feed on primary consumers for energy
d)
feed on secondary consumers for energy
9.
An impermeable (impervious) surface:
a)
does not allow water to pass through
b)
improves the health of the ecosystem
c)
allows sunlight to pass through
d)
allows water to pass through
10.
Prey is:
a)
an organism that is hunted by another organism
b)
an organism that hunts another organism
c)
an organism that breaks down dead things
d)
an organism which can make its own food using photosynthesis
11.
Symbiosis is:
a)
a type of competition
b)
a type of relationship where both are harmed
c)
when two organism help each other
12.
Mutualism is:
a)
a symbiotic relationship where one organism benefits and the other is harmed
b)
a symbiotic relationship where both organisms benefit
c)
a symbiotic relationship where one organism benefits and the other is neither harmed nor benefited
d)
a type of competition when two organisms fight
13.
Parasitism is:
a)
a symbiotic relationship where both organisms benefit
b)
a symbiotic relationship where one organism benefits and the other is harmed
c)
a symbiotic relationship where one organism benefits and the other is neither harmed nor benefited
d)
when 2 organisms fight over a limited resource
14.
Commensalism is:
a)
a type of competition
b)
a symbiotic relationship where both organisms benefit
c)
a symbiotic relationship where one organism benefits and the other is harmed
d)
a symbiotic relationship where one organism benefits and the other is neither harmed nor benefited
15.
Cooperation is:
a)
when one organism is helped and other is harmed
b)
organism fight for the same resource
c)
when organisms work together to be benefited (helped) in the same way
d)
something that limits the size of a population
16.
Competition is:
a)
a relationship between organisms trying to use the same resources in the same place
b)
mutually beneficial interactions among individuals of the same species or between different species
c)
when two organisms work together
d)
something that keeps the population from growing out of control
17.
A limiting factor is:
a)
the flow of energy through an ecosystem
b)
a close relationship between two different species
c)
something that limits the growth or distribution of a population
d)
a positive interaction between organisms
18.
A watershed is:
a)
a large body of water
b)
a land area that drains into a specific river or lake
c)
a type of wetland
d)
the wearing away of the earth's surface
19.
A ridgeline is:
a)
a long, narrow ridge of land
b)
an area of higher elevation that separates two watersheds
c)
a large body of water
d)
a small stream
20.
An estuary is
a)
a large body of freshwater
b)
a land area that drains into a specific river or lake
c)
a place where a freshwater and saltwater meet
d)
a place where erosion becomes land
21.
A wetland is:
a)
a large body of water
b)
a land area that drains into a specific river or lake
c)
a place where a river meets the ocean
d)
a land area where water covers the soil most of the year
22.
The Chesapeake Bay is:
a)
a large lake
b)
a river
c)
an estuary
d)
a wetland
23.
Erosion is:
a)
the process of wearing away soil and rock
b)
a type of wetland
c)
a large body of water
d)
the process which creates more plants
24.
A niche is
a)
the role an organism plays in its ecosystem
b)
the place where an organism lives
c)
something that helps an organism better survive
d)
a type of relationship between 2 organisms
25.
Dissolved oxygen is
a)
oxygen that is dissolved in water
b)
oxygen that is in the air
c)
oxygen that is unable to be used
d)
oxygen that is found in the soil
26.
The carbon cycle is
a)
the movement of carbon through the Earth's atmosphere, oceans, and living things
b)
the process of plants using energy from the sun to make food
c)
the process of breaking down food to release energy
d)
the burning of fossil fuels
27.
Photosynthesis is
a)
the movement of carbon through the Earth's atmosphere, oceans, and living things
b)
the process of plants using energy from the sun to make food
c)
the process of breaking down food to release energy
d)
the burning of fossil fuels
28.
Respiration is
a)
the movement of carbon through the Earth's atmosphere, oceans, and living things
b)
the process of plants using energy from the sun to make food
c)
the process of breaking down food to release energy
d)
the burning of fossil fuels
29.
Combustion is
a)
the movement of carbon through the Earth's atmosphere, oceans, and living things
b)
the process of plants using energy from the sun to make food
c)
the process of breaking down food to release energy
d)
the burning of fossil fuels
30.
Decomposition is
a)
the burning of fossil fuels
b)
the process of plants using energy from the sun to make food
c)
the process of breaking down dead plant or animal matter
d)
when two organisms work together
31.
A consumer is
a)
an organism that produces its own food
b)
an organism that gets energy by eating other organisms
c)
an organism that breaks down dead organisms
d)
an area with only nonliving factors
32.
Thermal energy is
a)
stored energy
b)
energy of motion
c)
heat energy
d)
an example is energy from Earth's core in the form of heat energy
33.
A decomposer is
a)
an organism that produces its own food
b)
an organism that gets energy by eating other organisms
c)
an organism that breaks down dead organisms
d)
an area that does not have the resources it needs
34.
An energy pyramid shows
a)
the amount of energy lost as it passes through the ecosystem
b)
the different levels of an ecosystem
c)
one way that energy is passed through an ecosystem
d)
the consumers in an ecosystem
35.
A trophic level is
a)
a step or position in a food chain
b)
a type of consumer
c)
a decomposer
d)
a producer
36.
A predator is
a)
an organism that is hunted by another organism
b)
an organism that hunts another organism
c)
an organism that makes it own food using photosynthesis
d)
an organism that only eats plants
37.
A biotic factor in an ecosystem:
a)
is non-living (never was alive)
b)
is anything living or was once alive
c)
includes all living and nonliving things
d)
only needs other biotic factors to survive
38.
An abiotic factor in an ecosystem:
a)
is non-living (never was alive)
b)
is anything living or was once alive
c)
includes all living and nonliving things
d)
only needs other biotic factors to survive
39.
An organism
a)
is many of the same animals living in the same area
b)
is many different plant and animal species interacting
c)
one single living thing
d)
a non-living thing
40.
An ecosystem
a)
many organisms of the same species living in the same area
b)
all of the living and nonliving things interacting in an environment
c)
all of the nonliving things in an environment
d)
many different plants and animals in the same area
41.
A community is
a)
the physical place where an organism lives
b)
groups of organisms of the same species living in the same area
c)
where all of the living and nonliving parts of an area interact
d)
many different populations of plants and animals in the same area
42.
A habitat is
a)
the place where a community of organisms live
b)
the place where nonliving things are found
c)
where one single organism lives
d)
is where only plants are found
43.
Terrestrial means
a)
water
b)
land
c)
sky
d)
space
44.
Aquatic means
a)
water
b)
land
c)
sky
d)
space
45.
Latitude is
a)
how far east/west a place is from the prime meridian
b)
how far north or south a place is from the equator
c)
how much sunlight an area gets
d)
the temperature of an area
46.
The prefix "bio" means:
a)
light
b)
the study of
c)
without
d)
life
47.
Nitrates are
a)
a form of nitrogen plants can use (NO3-)
b)
a form of nitrogen in the atmoshere (N2)
c)
a form of nitrogen produced after decompostion (breaking down) (NH3)
48.
Climate
a)
short term weather conditions
b)
average long term weather conditions
c)
the amount of reainfall in a specific area
d)
the temperature of the ocean
49.
What is a behavioral adaptation?
a)
a structure an organism has that helps it survive
b)
a way an organism acts that helps it survive
c)
a change in an organism's DNA
d)
a process by which organisms change over time
50.
what is a physical adaptation?
a)
a structure an organism has that helps it survive
b)
a way an organism acts that helps it survive
c)
a change in an organism's DNA
d)
a process by which organisms change over time
100 %
