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WorksheetsEcology 1 (Focus Notes 2-A)
Total questions: 46
Worksheet time: 26mins
Name
Class
Date
1.
What is NOT a limit of your body?
a)
The longevity of the atoms that make your body
b)
The body's dependence on water replenishment
c)
The lifespan of your body
d)
The strength of the body's bones
2.
What is NOT a characteristic of life?
a)
All organisms have a brain
b)
All organisms reproduce
c)
All organisms have cells
d)
All organisms contain a genetic code made of DNA (RNA)
3.
Life is rarely connected to other life.
a)
True
b)
False
4.
Life has no limits.
a)
True
b)
False
5.
Which is NOT a limit for life?
a)
Water
b)
Nutrients
c)
Other nearby life
d)
Pretty much everything is a limit to life
6.
Which is NOT a characteristic of all life?
a)
As a group, life changes over time
b)
Life uses materials and energy
c)
Life grows and develops
d)
Life is conscious and self-aware
7.
Over the long term, why does life not run out of energy?
a)
Most of the energy of the Sun is here for 5 billion years
b)
Most of life doesn't need energy to survive
c)
Life requires so little energy to survive
d)
Because the vast majority of life are consumers/heterotrophs
8.
An ecosystem is based on ___.
a)
producers
b)
consumers
9.
What cycles between producers and consumers?
a)
Nutrients
b)
Energy
c)
DNA
d)
Love
10.
What cycles between the atmosphere and the land/ocean?
a)
Water
b)
Carbon
c)
Phosphorous
d)
Two answers are correct
11.
Notes check: What was the carry capacity for rabbits: with predators, w/o predators, w/ 2x food
a)
10, 100, 1000
b)
10, 50, 100
c)
300, 2300, 3000
d)
1000, 5000, 10000
12.
What is NOT a limiting factor for the rabbits in their island forest ecosystem?
a)
Space
b)
Disease
c)
Water supply
d)
Atmospheric oxygen
13.
Abiotic (A) vs Biotic (B): competition; water; heat; disease; space; sunlight; food supply
a)
B; A; A; B; A; A; B
b)
B; A; B; A; B; B; A
c)
A; B; B; A; B; B; A
d)
B; A; A; B; B; B; A
14.
What is an abiotic factor exclusive to a marine ecosystem?
a)
salt concentration
b)
sunlight
c)
food scarcity
d)
temperature
15.
One benefits, the other is unaffected and allows / one benefits, the other suffers / both benefit
a)
Commensalism; parasitism; mututalism
b)
parasitism; mutualism; commensalism
c)
mutualism; parasitism; commensalism
d)
mutualism; commensalism; parasitism
16.
What element does not cycle in the water cycle?
a)
Hydrogen
b)
Oxygen
c)
Sulfur (in small amounts)
d)
Phophorous
17.
Nutrients ____ and energy ____. (best answer for ecology)
a)
cycle; flows
b)
build; executes
c)
endure; facilitates
d)
flow; cycles
18.
What is NOT a limit of the human body?
a)
How much food can be eaten and weight gain
b)
How sensitive your auditory system is
c)
How long one can remain conscious without sleep
d)
How happy you feel
19.
Continuously being awake; 10k students at THS; time before another recharge; speed of light
a)
Limits of: human body; school; technology; physics
b)
Limits of: physics; technology; school; human body
c)
Limits of: physics; technology; human body; school
d)
Limits of: school; technology; physics; human body
20.
The amount of organisms of a particular species that an ecosystem can support for the long term
a)
carrying capacity
b)
biomass
c)
limiting factors
d)
trophic level
21.
1000 rabbits;
all the organism and dirt, air, water, temperature;
rabbits, wolves, squirrels
all the organism and dirt, air, water, temperature;
rabbits, wolves, squirrels
a)
population; ecosystem; community
b)
ecosystem; population; community
c)
community; ecosystem; population
d)
community; population; ecosystem
22.
If there were no decomposers, life would run out of resources/nutrients.
a)
True
b)
False
23.
Life is competing for limited resources, synergizing with other life, and surviving climate.
a)
True
b)
False
24.
A spider building a web on a tree.
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Communism
25.
Fleas on a pet dog.
a)
Mutualism
b)
Parasitism
c)
Commensalism
d)
Communism
26.
Barnacles on whales; dogs and humans; tapeworm in human intestines.
a)
Commensalism; mutualsim; parasitism
b)
Mutualism; parasitism; commensalism
c)
Parasitism; commensalism; mutualism
d)
Anthropomorphism; aphorism; capitalism
27.
Cycles: water; malaria; nutrients (choose the best answer)
a)
atmosphere & land; human & mosquito; producers & consumers
b)
biotic & abiotic; host & medicine; animals & plants
c)
ice & water; sickness & health; good & bad
d)
carbon & hydrogen; population & extinction; proteins & fats
28.
Energy flows through an ecosystem from the Sun to:
a)
producers, consumers, decomposers
b)
decomposers, producers, consumers
c)
consumers, decomposers, producers
d)
producers, decomposers, consumers
29.
Which is NOT recycled in the biosphere:
a)
carbon
b)
nitrogen
c)
water
d)
energy
30.
Is age a limiting factor for life?
a)
Yes, no living organism is immortal
b)
No, DNA can survive for billions of years without deterioration
31.
The combination of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes:
a)
metabolism
b)
homeostasis
c)
carrying capacity
d)
limiting factor
32.
The process by which an organism maintains a stable internal environment.
a)
metabolism
b)
homeostasis
c)
carrying capacity
d)
limiting factor
33.
Some scientists worry that the human population has grown beyond Earth's carrying capacity for humans and an eventual massive death rate will ensue.
a)
True
b)
False
34.
There is a finite number for the carrying capacity for humans on planet Earth.
a)
True
b)
False
35.
Interaction between two different organisms living in close physical association:
a)
Symbiosis
b)
Homeostasis
c)
Metabolism
d)
Carry capacity
36.
A ___ relationship between the sea anemone and clown fish, where the clown fish provides nutrients and protection to the anemone and the anemone provides shelter and protection from predators to the clown fish.
a)
mutualistic
b)
commensalistic
c)
parasitic
37.
The alligator gets its teeth cleaned by the bird. The bird gets its food from the alligators teeth
a)
mutualistic
b)
commensalistic
c)
parasitic
38.
The bee transports the flower's pollen to other flowers. The flower's nectar feeds the bee.
a)
Mutualism
b)
Commensalism
c)
Parasitism
39.
The whale reaps no rewards from a barnacle attaching to its body, yet poses no threat to the whale. The barnacle reaps great rewards by attaching itself to a whale because of its filter-feeding nature. Like the Imperial shrimp, it stands to gain an abundant food source by attaching itself to a whale for the duration of its existence.
a)
Mutualism
b)
Commensalism
c)
Parasitism
40.
The remora has a sucker and it attaches itself to the shark and eats the scraps and leftovers.
a)
Mutualism
b)
Commensalism
c)
Parasitism
41.
Identify the image:
a)
Mutualism
b)
Commensalism
c)
Parasitism
42.
Nutrients flow through an ecosystem, and energy cycles within an ecosystem.
a)
True
b)
False
43.
Most of life's energy comes from ___, but there are some ecosystems that are independent from this abundant energy source. These rare ecosystems have producers harnessing energy from ___.
a)
the Sun; energy-rich molecules
b)
DNA, the Sun
c)
the wind; water power from tides
d)
water; environmental temperature change
44.
Deep sea vents provide energy in the absence of sunlight to support an entire ecosystem.
a)
Photosynthesis
b)
Chemosynthesis
45.
Energy in the biosphere cycles back to the Sun to be continuously reused by life.
a)
True
b)
False
46.
A shark is ___; phytoplankton is ___.
a)
A consumer; a producer
b)
A producer; a consumer
c)
A decomposer; a consumer
d)
A producer; a decomposer
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