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Ecosystems
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A #Science 10 #Ecosystems unit review Quiz
Flashcards
57 cards
F
Practice quiz
P
Host live
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Questions
57
Answers
1
Autotrophs ...
produce sick beats
produce their own food
use CO2 and NH3 to make glucose
use sugars and oxygen to produce nitrogen for soil
2
______ is an example of a density independent factor
invasive species
disease
number of predators
climate change
3
Nitrogen is a key component in:
proteins
fats
carbs
4
Big horn rams jousting for a mate is an example of:
Intraspecific competition
Interspecific competition
5
Glucose (C
6
H
12
O
6
) is an example of _______ carbon
organic
inorganic
6
Which is a closed population?
Bacteria on your body
bacteria in a petri dish
bacteria in the mouth of a dog
bacteria in this room
7
An animal that only consumes vegetation is called a/an
omegavore
omnivore
kappavore
herbivore
8
Photosynthesis occurs in:
algae
animals
plants, algae and some bacteria
plants
9
Exponential or Logistic?
I just wanna go fast!
Logistic
Exponential
10
A living component that affects other things in an ecosystem is:
Biotic factor
Abiotic factor
11
Interspecific competition occurs between:
members of different species
members of the same species
12
A population is
A group of different species living in a certain area
A group of the same species living in a certain area
13
About ___ of energy is passed up trophic levels
10%
12%
15%
25%
14
What is a food chain?
A sequence linking organisms that feed on each other
The circle of life
A exponential pattern of eating
Grass being eaten by a mouse
15
Photosynthesis and Cellular Respiration make up the:
rock cycle
carbon cycle
water cycle
nitrogen cycle
16
A Regional/Global land area characterized by the plants/animals/climate in that area is a/an
Biosphere
Biome
Asthenosphere
Ecosystem
17
An invasive species:
has no natural predators
has natural predators
only eats what it needs
lives harmoniously with the ecosystem
18
Density dependent factors affect members of a population
Because of the size of the population in an area
Because of the size of the population
wind
fire
19
CO
2
+ H
2
O ---> sugars + O
2
is the chemical equation for:
photosynthesis
cellular respiration
20
Something that starts at the top of the food chain and affects all levels below is a
Trophic Upheaval
Trophic Cascade
Trophic Disaster
Trophic Tumble
21
______ is an example of a density dependent factor:
disease
wildfires
drought
pesticide spraying
22
CO
2
is an example of _________ carbon
inorganic
organic
23
A community is ...
The group of one species living in the same are
The group of different species living in the same area
24
An example of a population is:
Penguins and seals in the Antarctic
Humans in Canada
Me, my mom, our dog and our cat
Foxes and rabbits in the arctic
25
Procreation (a biotic potential regulator) is
the number of times a year a species creates a home
the number of times a year a species reproduces
the number of times a year a species dies
the number of times a species reproduces in its lifetime
26
An animal that only consumes the flesh of another animal is a/an ...
autotroph
heterotroph
carnivore
omnivore
27
Which are the three forms of biotic factors?
Competition, predation, symbiosis
Community, predation, symbiosis
Competition, predation, symbolicity
Competition, population, symbiosis
28
Seals and Eagles hunting fish in the same area is an example of:
Interspecific competition
Intraspecific competition
29
A decomposer ...
breaks down dead plant and animal matter
is vital for trophic cascades
makes CO2 and H2O from sugars and O2
eats producers
30
Bacteria break down nitrates into nitrites, and then nitrites into nitrogen gas, this is:
nitration
dentrification
nitrogenation
dentist
31
Which is an example of a consumer?
dandelion
photosynthetic algae
mosquito
phytoplankton
32
The carrying capacity is:
2000
35 days
500
23 days
33
The maximum # of offspring a species can produce is ...
Biotic potential
Biology potential
Life numberness
Potential energy
34
Cellular respiration occurs in:
plant cells
animal cells
cells
35
Characteristics of an ecosystem that prevent it from growing are:
density dependent
density independent
carrying capacity
limiting factors
36
Birth potential (A biotic potential regulator) is:
the minimum number of offspring/birth
the maximum number of offspring/birth
37
An organism that is food for a primary consumer is called a/an ...
decomposer
apex predator
secondary consumer
producer
38
Which is an example of an open population?
People in Canada
People on Earth
People in the Solar System
People in this room
39
The regions of the surface, atmosphere and hydrosphere of the Earth occupied by living things
Ecosystem
Biosphere
Asthenosphere
Biome
40
A place where a species can live is called a/an ...
habitat
environment
biome
ecosystem
41
Which is the correct order, from SMALLEST to LARGEST size?
Individual->Population->Community->Biosphere->Biome
Individual->Community->Population->Biome->Biosphere
Individual->Biome->Community->Population->Biosphere
Individual->Population->Community->Biome->Biosphere
42
sugars + O
2
---> CO
2
+ H
2
O is the chemical equation for:
cellular respiration
photosynthesis
43
Exponential or Logistic?
Logistic
Exponential
I don't know what to do with my hands
44
Intraspecific competition occurs between:
members of different species
members of the same species
45
An example of a community is
Hens in Farmer Tully's henhouse
foxes and hens on Farmer Tully's farm
Pigs in Farmer Tully's barn
foxes in the woods outside Farmer Tully's farm
46
This is a:
Pyramid of Numbers
Pyramid of Biomass
Pyramid of Energy
47
Photosynthesis and cellular respiration are ___________ processes
rude
competing
complimentary
analogous
48
A biological community of interacting organisms and the environments around them is a/an ...
Biome
Abiotic factor
Biotic factor
Ecosystem
49
Length of reproductive life (a biotic potential regulator) is:
the number of months in a year a species can reproduce
the number of years a species lives
The number of years a species can reproduce
50
In 1998 there were 5 hawks; in 2004 there were 11 hawks. What is the growth rate (rN)?
1 hawk
1 hawk/year
1.5 hawks/year
6 hawks
51
______ is an example of an invasive species:
Rottweilers
Bald Eagles
Asian Carp
Zebra mussels
52
a trophic level
organizes ecosystems by mass
organizes ecosystems by method of energy consumption
organizes ecosystems by method of energy production
organizes ecosystems by method of energy use
53
Capactity for survival (A biotic potential regulator) is:
number of offspring that reach reproductive age
number of offspring that survive birth
number of offspring
number of offspring that reach 1 year old
54
This is a:
Pyramid of Energy
Pyramid of Biomass
Pyramid of Numbers
55
Which is NOT a biotic factor?
E-Coli
Mosquitos
Wind
Rabbits
56
What does this graph indicate about flood frequency in Wisconsin?
Flood frequency is decreasing
Flood frequency is increasing
Flood frequency is balanced
57
Food energy is measured in:
electron volts
calories
kilojoules
ergs
