Which explains the shape of the food pyramid?

energy gets lost from one trophic level to another

Which of the following is NOT a difference between primary and secondary succession?

development of a climax community

How is the phosphorus cycle different from the nitrogen and carbon cycles?

phosphorus is not stored in the atmosphere

roles of an organism in its ecosystem

What is an animal adaptation to the hot desert?

animals are active mainly at night

Which hierarchy below is correct?

ecosystem>community>population<species

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Science 10 Ecology Review!

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Science 10 Ecology Unit 1

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Questions 34

Answers

1
What happens if baleen and sperm whales are overexploited?
sea otters increase
sperm whales increase
sea urchins decrease
kelp decreases
2
The process shown where bacteria is used to clean up oil spills is called...
bioremediation
bioaccumulation
biodegradation
biomagnification
3
Carbon, Nitrogen and Phosphorus are examples of ___________ that cycle
gases
DNA
nutrients
atoms
4
Which explains the shape of the food pyramid?
energy is gained from one trophic level to another
biomass increases from one trophic level to another
energy gets lost from one trophic level to another
energy remains constant from one trophic level to another
5
In primary succession, what grows first?
shrubs
lichens
trees
grasses
6
Which biome is represented by the climatograph?
temperate deciduous forest
desert
tundra
boreal forest
7
The secondary consumer in the food chain below is the...
snake
frog
grasshopper
hawk
8
The image below is an example of...
mutualism
behavioural
commensalism
parasitism
9
Which of the following is NOT a difference between primary and secondary succession?
development of a climax community
the speed of succession
presence or absence of soil
starting from rock
10
Which of the following is the biggest?
biome
biosphere
habitat
ecosystem
11
Which is an example of a physiological adaptation?
burrowing to escape predators
photosynthesis
thick fur
large beak
12
Porcupines having sharp quills is an example of a _________________ adaptation
structural
behavioural
physiological
altruistic
13
The producer in the food chain below is...
deer
sun
wolf
grass
14
How is the phosphorus cycle different from the nitrogen and carbon cycles?
phosphorus is not decomposed
phosphorus is not leached into soil
phosphorus is not stored in the atmosphere
phosphorus is not stored in the ocean
15
What happens if sea urchins are overexploited?
increase in sea urchins
increase in kelp
increase in baleen whales
increase in sea otters
16
Which biome is represented by the climatograph?
tundra
temperate rainforest
tropical rainforest
boreal forest
17
This is an example of...
parasitism
altruism
commensalism
mutualism
18
Each step of the food pyramid is called a...
consumer level
trophic level
food web
food level
19
This is an example of...
biomagnification
ecological succession
adaptive radiation
natural selection
20
What is a niche?
how an organism interacts with other species
the characteristics of an organism
the behaviours of an organism
roles of an organism in its ecosystem
21
Which type of bacteria convert nitrogen gas from the air (N2) into ammonium (NH4+)?
nitrogen-fixing bacteria
nitrifying bacteria
denitrogen-fixing bacteria
denitrifying bacteria
22
Species that naturally inhabit an area are called...
foreign species
classic species
native species
introduced species
23
Which describes a biotic factor?
trees
water
rocks
precipitation
24
This equation represents...
Cellular respiration
Carbonation
Sedimentation
Photosynthesis
25
Why did PCB's greatly affect orcas?
PCBs do not bioaccumulate
PCBs have a short half-life
PCBs are synthetic chemicals
PCBs biomagnify
26
What effect does this invasive species have on its ecosystem?
competition
predation
disease and parasite
habitat alteration
27
What is an animal adaptation to the hot desert?
animals are active mainly at night
compact bodies to reduce heat loss
flat teeth to grind plant materials
adapted to live in trees
28
Which hierarchy below is correct?
ecosystem>community>population<species
ecosystem>community>species>population
community>ecosystem>population>species
community>ecosystem>species>population
29
Detrivores eat...
dead animals and plants
animals only
animals and plants
plants only
30
The process shown is called...
primary succession
natural selection
adaptive radiation
secondary succession
31
Omnivores eat...
dead animals and plants
only plants
animals and plants
only animals
32
This shows...
aeration
soil degradation
soil compaction
habitat fragmentation
33
Which biome is the coldest?
boreal forest
tundra
temperate rainforest
tropical rainforest
34
The picture shows...
habitat fragmentation
deforestation
habitat loss
soil degradation

Science 10 Ecology Review! Flashcards | StudBud