how does Biodiversity affect the sustainability of an ecosystem?

helps the populations to endure environmental changes

Primary succession is...

Gradual growth of organisms in an area that was previously bare.

What is a pioneer species?

Pioneer species are hardy species which are the first to colonize

What is biodiversity?

The variety of life in a particular habitat or ecosystem.

Happens when an ecosystem replaces a previous ecosystem

What is Ecological Succession?

The change an ecosystem experiences over time

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Unit 7 Review - Ecosystems

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Questions 17

Answers

1
how does Biodiversity affect the sustainability of an ecosystem?
reduces the number of species in a given ecosystem
increases at each level of the energy pyramid
allow animals to feed permanently from one type of plant
helps the populations to endure environmental changes
2
Primary succession is...
The gradual growth of organisms formerly home to different species.
Rapid growth of organisms formerly home to different species.
Rapid growth of organisms in an area that was previously bare.
Gradual growth of organisms in an area that was previously bare.
3
What is the final stage of ecological succession?
climax community
population density
pioneer species
primary succession
4
What ecological succession is being shown?
Secondary
Natural Disaster
Tertiary
Primary
5
What is a pioneer species?
Species that were made by pioneers
A plant
Pioneer species are hardy species which are the first to colonize
Species that come after the environment gets destroyed
6
Which of the following is the best measure of an ecosystem's sustainability?
Climate
Level of biodiversity
Amount of organisms
Location on Earth
7
What is biodiversity?
I don't know
Animal life
Many diversities
The variety of life in a particular habitat or ecosystem.
8
Secondary succession
Happens when an ecosystem replaces a previous ecosystem
Happens when an ecosystem gets destroyed
Happens when lichen grows on bare rock
Happens when an ecosystem develops for the first time
9
Marine ecosystems are ecosystems that have ___.
littoral zones
warm water
plankton
salt water
10
Which of the following natural events would most likely NOT trigger ecological succession in an area?
Volcanic Eruption
Floods
Changing seasons
Forest Fires
11
Sustainability is defined as the ability of an ecosystem to survive over time.
True
False
12
All cause secondary succession except
fire
human disturbance
flood
glacial retreat
13
Which food web is more biodiverse?
FOOD WEB A
BOTH ARE EQUALLY AS BIODIVERSE
NEITHER FOOD WEB
FOOD WEB B
14
Ecological succession results in
Decrease in habitat
Less biodiversity
Climax community
Biome regulation
15
Which of these is a biodiverse ecosystem?
Marshland
Zoo
Fish tank
Koi pond
16
What is Ecological Succession?
A natural disaster such as a flood or fire
The change an ecosystem experiences over time
The cycle of a tomato plant
Competition between plants in a society
17
Terrestrial ecosystems are ecosystems that occur on ______.
oceans
the moon
land
mountains

Unit 7 Review - Ecosystems Flashcards | StudBud