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