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Alberta Science 7 U1 T6-7 Flashcards | StudBud
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Alberta Science 7 U1 T6-7
Alberta Science 7 U1 T6-7
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ecological succession
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
A regeneration of a forest after a fire is an example of ...
Primary succession
Secondary succession
Succession
Biological control
2
Many pollutants cannot break down and subsequently get passed on to subsequent consumers
Pollutants
Bioaccumulation
Pesticides
Succession
3
What organisms would be considered most in danger of extinction?
Those that breed quickly
Those with large populations
Those with small populations
Animals who do not need people to save them
4
Which most clearly describes an invasive species?
A native species to that area
An organism that has many natural predators
A non-native species living in an area
An organism who's population is well under control
5
The number and variety of different species in a particular area
Hotspot
Lichen
Biodiversity
Ecology
6
Habitat loss can be caused by ...
Human development
Neither human development & introduced species
Both human development & introduced species
Introduced species
7
Purple Loosestrife
Has the ability to out-compete most native species
Can create a monoculture
All of the above
Is an exotic species
8
Scientists conduct ecosystem monitoring to ...
Check baseline data
Check an ecosystem's health and effects of it's impacts.
Establish baseline data
Earn credentials, so they can be called an ecologist
9
What do introduced species do in a new area?
Get in balance with the existing food chains
Breed with existing species
take over the area and edge out the native species
Die because they cannot survive
10
An organism that consumes only producers is called a
Primary producer
Herbivore
Carnivore
Omnivore
11
A species native to a particular area is called
Endemic species
Genetic species
Non-native species
Keystone Species
12
The first organism to colonize a barren (bare) area is called a
wild flowers
lichen
fern
moss
13
What is the purpose of baseline data?
To ensure the ecologists have enough work
To ensure biology students have projects to complete
Give the scientists an arbitrary "starting point"
To compare against data from the past
14
Species that are very important to the functioning of an ecosystem are (use problem solving)
Endangered species
Threatened species
Keystone species
Endemic Species
15
Two major causes of extinction are ...
Over-hunting & baseline date
Habitat Loss & succession
Introduced species & exotic species
Habit loss & introduced species
16
The control of insect pests through their natural enemies is called ...
biological control
bioaccumulation
biopesticide
biopredation
17
The cowbird does not ...
Allow another bird to hatch it's egg(s)
Make it's own nest
Destroy the other eggs if it's egg is pushed out of the nest
Lay it's eggs in another birds nest
18
Another possible name for a secondary consumer.
Prey
Herbivore
Detrivore
Carnivore
19
Which of the following is an example of secondary succession?
Appearance of weeds in cracks in a concrete surface
Pioneer plants begin to grow after glacial melting
Breaking down of bare rock by fungi and mosses
Growth of plants after a forest is destroyed by fire
20
Succession is a term that means ...
The Eagles volleyball team wins against another
A very gradual process by which some species replace others
Students move through grades from Kindy to 12
An ecosystem stays the same forever
21
Which is the best description of an exotic species?
A very unique and beautiful species
An indigenous species
An organism that has many natural predators
A non-indigenous species
22
In the face of environmental pressures, indicator species are least likely to ...
Find a new habitat
Die
Be unable to pro-create
Develop physical deformities
23
What term is used to describe a network of many
linear feeding relationships in an ecosystem?
energy transfer
food chain
food web
energy pyramid
24
Biological control refers to ...
A control using biology, not chemistry
One of many options to control damage to crops
All of the above
The control of detrimental insects using natural enemies
25
The final and stable community is described as a
secondary community
climax community
primary community
tertiary community
26
If a fire destroys most of the biotic life in a forest, what is the first step to restoring it?
Secondary succession
Initial succession
Tertiary succession
Primary succession
27
What do invasive species do?
Breed with existing species
Die because they cannot survive
Take over an area and kick out the native species
Get in balance with the existing food chains
28
Lichen is a combination of which two organisms? (Make a guess - this is new learning)
mold and mushrooms
fungus and algae
bacteria and algae
fungus and bacteria
29
Prior to monitoring an ecosystem, ecologists gather ...
Biological controls
Fossils
New growth
Baseline data
30
Frogs, toads, salamanders and other amphibians are often referred to as ...
Industrious species
Indivisible species
Indicator species
Independent species
31
Which is
not
an example of an
apex
predator
Fox
Tiger
Brown (Grizzly) Bear
Great White Shark
32
When one group of species is replaced with others over time, it is called
Evolution
Ecological succession
Climax community
Natural selection
33
I visited Hawaii 16 years after I witnessed fresh lava flow there. Today there is evidence of:
Secondary succession and succession
Primary succession and adaptation
Bioaccumulation and adaptation
Primary succession and succession
34
This is the gradual growth of organisms in an area that was previously lifeless.
Biological control
Ecosystem monitoring
Baseline data
Primary succession
35
Analyzing the temperature patterns in a forest area would be an example of ...
Biological monitoring
Physical monitoring
Environmental monitoring
Chemical monitoring
36
Ecosystem monitoring is most effective when conducted over ...
months
days
weeks
years
37
Wolves are an example of
Ecosystem
Species
Abiotic factor
Community
38
Frogs and other amphibians are ...
Very indifferent to environmental change
Very sensitive to environmental change
Very immune to environmental change
Very resilient to environmental change
39
Lichen is an organism associated with ....
Secondary Succession
Succession
Baseline Data
Primary Succession
40
Which parts of an ecosystem does ecosystem monitoring monitor?
Biotic factors only
Abiotic factors only
Producers only
Both biotic and abiotic factors
41
Frogs and other amphibians are interesting to study because they are ...
Very resilient to environmental change
All of the above
An indicator species
A biological control species
42
Using satellite imagery monitor changes due to the expansion of a city
Biological monitoring
Chemical monitoring
Physical monitoring
Environmental monitoring
43
Spraying ______ to kill insects may also kill or harm other organisms that are beneficial.
Pollutants
Herbicides
Hot water
Pesticides
44
Counting the number of Canada geese within Hawrelak Park is an example of ...
Physical monitoring
Biological monitoring
Chemical monitoring
Environmental monitoring
45
A place where an organism lives
Species
All of the above
Community
Habitat
46
The cowbird displays the characteristics of ...
A non-indigenous species
A endangered species
An indigenous species
An invasive species
47
Which one is
not
an example of an invasive species?
Wolf
Kudzu-weeds-ivy
African Snail
Red imported fire ant
48
Assessing the pH of water in a pond environment would be an example of:
Physical monitoring
Environmental monitoring
Biological monitoring
Chemical monitoring
49
A species that has an extremely low world population and extinction is imminent.
Threatened
Endangered
Extirpated
Vulnerable
50
The
West African Black Rhinoceros
was declared extinct in 2011 because ...
The only exist in captivity
They do not exist anywhere on the planet
They only exist in remote areas of the planet
They haven't been seen in 100 years
