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Course: Alhussan Biology — Stage 8
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Alhussan Biology — Stage 8

Chapter 5: Respiration and the Respiratory System

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Chapter 6: Nutrition, Health and Movement

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Chapter 7: The Health of the Environment

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Chapter 8: Weather and Climate

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Quiz

Biology 7.2 Habitats within an ecosystem — Quiz

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  • Questions count: 50
  • Passing grade: B+
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1.
True or false? Earthworms make soil less airy.
True
False
2.
Insects and larvae live on the trunk and ____.
leaves only
flowers only
roots only
bark
3.
Woodlice found under stones in different conditions. Which has the smallest value?
Dr Dabour Hub Academy - figure 1
Damp, sunny
Dry, shady
Damp, shady
Dry, sunny
4.
Which statement is NOT correct?
Water lily stomata are underneath the leaf.
The woodland floor is dark and damp.
Light intensity, temperature, water and pH are abiotic factors.
A single tree may contain about 1000 habitats.
5.
Light intensity at different heights in a woodland. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 2
A
B
C
D
6.
Light intensity at different heights in a woodland. Between which two values of "Height (m)" did "Light (%)" change the most?
Dr Dabour Hub Academy - figure 3
15 and 20
10 and 15
5 and 10
0 and 5
7.
True or false? The woodland floor is dark and damp.
True
False
8.
Light intensity at different heights in a woodland. By how much does "Light (%)" change between 0 and 25?
Dr Dabour Hub Academy - figure 4
118
106
94
100
9.
Which statement is NOT correct?
The woodland floor is bright and dry.
Water lilies have flat floating leaves.
Ferns and mosses on the woodland floor are shade-tolerant plants.
Insects and larvae live on the trunk and bark.
10.
Which is the correct definition of “Ecosystem”?
A community of organisms and their non-living environment.
A poisonous substance.
Where organisms are found in an area.
A tube for sucking up small animals.
11.
Earthworms improve soil ____.
salt
aeration
colour
temperature
12.
Light intensity at different heights in a woodland. Calculate the percentage change in "Light (%)" from 0 to 25.
Dr Dabour Hub Academy - figure 5
1567%
94%
1667%
−1567%
13.
Woodlice found under stones in different conditions. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 6
A
B
C
D
14.
Woodlice found under stones in different conditions. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 7
A
B
C
D
15.
Which is the correct definition of “Shade-tolerant”?
Able to grow in low light.
A square frame of known area used for sampling.
The variety of species.
The proportion of a quadrat covered by a plant.
16.
Squirrels, sparrows and hawks live in the tree ____.
roots
soil
leaf litter only
canopy
17.
Which term matches this definition? “The role of an organism in its habitat.”
Brown tree snake
Biological control
Niche
Introduced species
18.
Earthworms per m² at different soil moisture. Calculate the percentage change in "Earthworms per m²" from 10 to 60.
Dr Dabour Hub Academy - figure 8
457%
78%
−357%
357%
19.
Of 60 woodlice found, 45 were in damp places. What percentage is that?
25%
75%
133%
750%
20.
Earthworms per m² at different soil moisture. At what value of "Soil moisture (%)" is "Earthworms per m²" smallest?
Dr Dabour Hub Academy - figure 9
30
10
20
60
21.
Woodlice avoid ____ conditions.
cool
damp
dark
dry
22.
Woodlice found under stones in different conditions. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 10
A
B
C
D
23.
Which term matches this definition? “All the members of one species in an area.”
Island species
Leaf litter
Interdependence
Population
24.
True or false? A woodland contains many different habitats.
True
False
25.
Which is the correct definition of “Population”?
All the members of one species in an area.
Loss of the places organisms live.
A toxic toad introduced to control pests that became a pest.
The place where an organism lives.
26.
Which statement is correct?
Water lily stomata are underneath the leaf.
Woodlice prefer dry, sunny places.
Competition is an abiotic factor.
Ferns and mosses on the woodland floor are shade-tolerant plants.
27.
Which statement is NOT correct?
Water lilies have flat floating leaves.
Tarantulas can live among tree roots.
Ferns and mosses on the woodland floor are shade-tolerant plants.
A tree is only one habitat.
28.
True or false? Competition is an abiotic factor.
True
False
29.
Light was 8% on the floor and 100% in the canopy. How many times brighter is the canopy?
108.0 times
12.5 times
92.0 times
0.1 times
30.
Number of species found in parts of an oak tree. What is the value for Trunk & bark?
Dr Dabour Hub Academy - figure 11
139
96
73
41
31.
Earthworms per m² at different soil moisture. Which statement best describes the pattern?
Dr Dabour Hub Academy - figure 12
"Earthworms per m²" increases as "Soil moisture (%)" increases
"Earthworms per m²" decreases as "Soil moisture (%)" increases
"Earthworms per m²" stays the same
"Earthworms per m²" rises to a peak at 40, then falls
32.
Light was 8% on the floor and 90% in the canopy. How many times brighter is the canopy?
98.0 times
11.2 times
82.0 times
0.1 times
33.
Which statement is NOT correct?
Organisms each have their own niche to avoid competition.
Earthworms make soil less airy.
A single tree may contain about 1000 habitats.
A woodland contains many different habitats.
34.
Ferns and mosses on the woodland floor are ____ plants.
light-loving
aquatic
desert
shade-tolerant
35.
Which statement is correct?
A tree is only one habitat.
Competition is an abiotic factor.
A habitat is the same as a population.
Tarantulas can live among tree roots.
36.
A tree has 150 species in the canopy and 40 in the roots. What percentage of these live in the canopy?
79%
21%
190%
375%
37.
A tree has 150 species in the canopy and 30 in the roots. What percentage of these live in the canopy?
500%
17%
83%
180%
38.
True or false? Organisms each have their own niche to avoid competition.
True
False
39.
Of 60 woodlice found, 49 were in damp places. What percentage were in damp places?
82%
18%
817%
122%
40.
Of 60 woodlice found, 49 were in damp places. What percentage is that?
817%
18%
82%
122%
41.
Which statement is NOT correct?
A single tree may contain about 1000 habitats.
Earthworms improve soil aeration.
All organisms in a habitat share the same niche.
A woodland contains many different habitats.
42.
Number of species found in parts of an oak tree. What is the value for Trunk & bark?
Dr Dabour Hub Academy - figure 13
61
86
47
27
43.
True or false? The canopy receives full sunlight.
True
False
44.
True or false? Fish are rough and boxy.
True
False
45.
Which statement is correct?
Fish are rough and boxy.
Organisms each have their own niche to avoid competition.
All organisms in a habitat share the same niche.
A habitat is the same as a population.
46.
Some trees are home to ____ of other species.
hundreds
no
one
two
47.
Light was 4% on the floor and 100% in the canopy. How many times brighter is the canopy?
25.0 times
250.0 times
104.0 times
96.0 times
48.
Woodlice found under stones in different conditions. Which graph shows these results correctly?
Dr Dabour Hub Academy - figure 14
A
B
C
D
49.
Light intensity at different heights in a woodland. By how much does "Light (%)" change between 0 and 25?
Dr Dabour Hub Academy - figure 15
108
92
115
100
50.
Which is the correct definition of “Streamlined”?
Shaped to move easily through water or air.
An invasive snake that wiped out most birds on Guam.
A herbivore that eats producers.
A chemical that kills pests.
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Part of Chapter 7: The Health of the Environment — see every lesson and quiz in this unit.
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