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2.6-2.11 Review
Test Description: Complete this instead of coming to live lesson. It has been cancelled due to MAP Testing.
Instructions: Answer all questions to get your test result.
1) Which trophic level ingests the most biomass in order to receive the energy it needs?
A
4
B
1
C
2
D
3
2) What is the primary energy source for autotrophs?
A
sun
B
heterotroph
C
pizza
D
glucose
3) Choose the best example of an autotroph.
A
duck
B
fox
C
otter
D
grass
4) Why are there more producers than secondary consumers?
A
10% of the energy is transferred to the next trophic level
B
heat energy is released
C
secondary consumers can absorb light for photosynthesis
D
90% of the energy is lost
5) Which trophic level ingests the most biomass in order to receive the most energy they need for survival?
A
tertiary consumer
B
producer
C
secondary consumer
D
primary consumer
6) What happens to the other 90% of the energy when a consumer eats a producer?
A
its used by the producer to pass onto the next level
B
its consumed and used by the consumer
C
nothing
D
its used for cell processes or released as heat
7) Why is there less biomass at the top of an terrestrial energy pyramid?
A
there are fewer secondary consumers because thy live longer than producers
B
they need more space
C
they have to eat more food to support themselves, so there are fewer of them
D
they are bigger
8) If an autotroph has 145,000 Kal of energy, how much will a secondary consumer have?
A
13,500 kCal
B
1,450 kCal
C
145 kCal
D
145,000 kCal
9) What is an example of a negative effect and invasive species has on the environment?
A
no predators
B
integrated pest management
C
slow growing
D
used for food
10) What is the equation for the adjusted amount of energy?
A
Gross + Organic Material
B
Net- Gross + Organic Matter
C
Gross - Organic Material
D
Gross - Net
11) Does biomagnetism increase or decrease as it moves to higher trophic levels?
A
no change
B
increase
C
decrease
D
increase then decrease
12) How can scientists measure how much oxygen is used during cellular respiration?
A
observe it under no light
B
observe it during a snow storm
C
observe it during photosynthesis
D
observe it under bright light
13) Why is energy transfer inefficient between trophic levels?
A
it falls out of their mouth when they chew
B
all molecules are fully digested
C
dead organisms and waste are recycled
D
the organisms are fully consumed
14) The rate that plants and other photosynthetic organisms produce organic compounds is called
A
Primary Productivity
B
Net productivity
C
Net gain
D
Gross profit
*select an answer for all questions
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