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TEK 6.12 E, F
Test Description: TEK 6.12 E, F
Instructions: Answer all questions to get your test result.
1) Soil contains both abiotic and biotic materials. Which is a biotic component of soil?
A
Grains of sand
B
Decomposing leaves
C
Minerals
D
water
2) Which factor in a penguin's environment is abiotic?
A
Phytoplankton
B
Iceburg
C
Killer whale
D
Krill
3) What are producers, consumers and carnivores?
A
Population
B
Biotic
C
Ecosystem
D
Abiotic
4) What are air, water and sunlight?
A
Ecosystem
B
Biotic
C
Population
D
Abiotic
5) Which of the following describes an interaction between plants and only abiotic factors in an ecosystem?
A
Nutrients from decomposing leaves is absorbed by the roots of plants.
B
Bacteria in the roots converts nitrogen into a usable form for plants.
C
Rainwater from clouds absorbed into soil enter the roots of plants.
D
Taller plants blocking the sunlight from reaching the leaves of short plants.
6) What part of a classroom aquarium ecosystem are abiotic?
A
Plants, rocks, air
B
Fish, plants, coral
C
Water, rocks, air
D
Water, rocks, algae
7) Which are biotic factors?
A
Mushroom, tree, grass
B
Water, grass, tree
C
Sun, dead log, mushroom
D
Grass, rocks, sun
8) Which pair of words best represents the relationship between the following words?
A
biotic - abiotic
B
organism - ecosystem
C
hydrogen - oxygen
D
theory - las
9) A rabbit's grassland community includes...
A
rainfall
B
warm spring temperatures
C
rocks
D
field mice
10) A group of mushrooms are called...
A
community of mushrooms
B
ecosystem of mushrooms
C
organism of mushrooms
D
population of mushrooms
*select an answer for all questions
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