Which is an example of genetic diversity?

All of the genetic traits in a population of bees

What is an ecological niche?

the role a species plays in its ecosystem

The biosphere id defined as

all of the places on Earth occupied by living organisms

What is a keystone species?

a species on which other species and the ecosystem depend on

The area where an animal lives.

The greatest threat to biodiversity is

Habitat destruction, fragmentation, and alteration

The carbon cycle includes:

both living and nonliving things

any resource that limits the size of a population

How do bacteria and fungi (decomposers) help other organisms survive?

They release nutrients back into the soil to help plants

What are INVASIVE SPECIES?

Organisms that came from other countries or regions, Organisms that are non-native

a term that describes the non living parts of an ecosystem

A community is __________?

Different populations of species in an area

A population is _________.

A group of of organisms of one species that live together

A network of food chains that shows how energy is passed

Identify the CONSUMERS in the food web:

Grasshopper, snake, shrew, frog, cricket, shrew, and hawk.

What Carrying Capacity?

The average number of population an ecosystem can support

In the taiga there are

Elk,moose, bears,wolves, porcupines

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ES 2.7 Biodiversity in Ecosystems

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Unit Test

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Questions 43

Answers

1
Which is an example of genetic diversity?
Differences in the locations of bees
All of the genetic traits in a population of bees
All of the plants pollinated by bees
all of the species that depend on bees
2
A ________ can't make their own food or energy.
Consumer
Decomposer
Population
Producer
3
What is an ecological niche?
the role a species plays in its ecosystem
Where a species lives
How many members of a species the ecosystem can hold
Where a species chooses to hunt
4
How do animals get carbon?
through photosynthesis
through respiration
by taking it from the air
by eating plants
5
Giraffe babies are an example of ______ parts of an ecosystem
Biotic
Abiotic
6
A group of black bears in an ecosystem would be a ________________?
food web example
decomposers
community
population
7
A(n)_______ hunts and eats other animals.
Predator
Organism
Owl
Prey
8
Which level of the energy pyramid has the most energy?
apex predators
producers
consumers
decomposers
9
Biodiversity increases ecosystem resilience.
True
False
10
What is the biggest coral reef on Earth?
Great Barrier Reef
Osprey Reef
Wakatobi Reef
Amazon Reef
11
The biosphere id defined as
the gasses surrounding the Earth
all water (surface an ground) of Earth
the crust and upper mantle of Earth
all of the places on Earth occupied by living organisms
12
_____ factors are all the non-living parts in an ecosystem.
Abiotic
Limiting
Ecosystem
Biotic
13
A decomposer gets energy from_________.
Waste and dead organisms
Dead organism and sunlight
Living animals and sunlight
Water and grass
14
Which of these is not a threat to biodiversity?
Pollution
Overharvesting
Habitat restoration
Invasive Species
15
What is a keystone species?
a species that, if removed, would not impact the ecosystem
a species that unlocks the potential of a biome
a species on which other species and the ecosystem depend on
a species that resembles a key
16
Which are the animals of the grassland biome?
Snakes, camels, dromedaries
Polar bears, reindeers...
Insects, reptiles...
Bysons, horses, deers...
17
What is a habitat?
the season in which the organism would thrive
the total biome where you would find the species
The area where an animal lives.
The place where animals go to hunt or forage
18
The greatest threat to biodiversity is
Introduced species
Habitat destruction, fragmentation, and alteration
Pollution
Overharvesting
19
The carbon cycle includes:
only living things
only nonliving things
both living and nonliving things
20
Which biome has permafrost?
temperate grasslands
temperate forests
tundra
boreal forests
21
Limiting factors are
numbers that can't be factored
any resource that limits the size of a population
any living thing that limits the size of a population
any nonliving thing that limits the size of a population
22
A place that provides food, water, and shelter for an organism is a _____.
Biotic Factor
Ecosystem
Habitat
Enviroment
23
What does deforestation cause?
An increase in amphibian & fish
A build up of oxygen in rivers and streams
Decreases the amount of CO2 in atmosphere
increased soil erosion
24
Identify the PRODUCERS in the food web:
Phytoplankton and zooplankton
Phytoplankton
Algae
Herbivorous zooplankton
25
How do bacteria and fungi (decomposers) help other organisms survive?
They provide habitats for other animals
They provide shade/shelter for animals
They release nutrients back into the soil to help plants
They breathe in carbon dioxide and release oxygen
26
Carbon ENTERS biotic environment through:
Respiration
Photosynthesis
Mitosis
Translation
27
What are INVASIVE SPECIES?
Organisms that came from other countries or regions
The opposite of native species
Organisms that are non-native
Species that are from the same location
28
Which is NOT a cause of desertification?
Erosion
biodiversity
Overpopulation
Overgrazing
29
Abiotic means
A term that describes the living parts of an ecosystem
a term that describes the non living parts of an ecosystem
A thin layer of the Earth that can support life
The living parts of a desert biome
30
A community is __________?
Different populations of species in an area
5 consumers in an area
1,000 animals in an area
Similar producers in an area
31
A(n) _____ eats both plants and animals.
Omnivore
Herbivore
Carnivore
Decomposer
32
What is the leading cause of tropical deforestation?
Farming and Cattle Ranches
urban development
Transporation & Logging
recreation and tourism
33
A population is _________.
All non-living organisms in an ecosystem
All of the consumers in an ecosystem
A group of of organisms of one species that live together
All living and non-living things in an ecosystem
34
A food web is...
A network of food chains that shows how energy is passed
Graphical model of energy flow in a community
The 10% rule
An individual animal, plant or single celled life form
35
Identify the CONSUMERS in the food web:
Marsh grass and cattail.
Snake, hawk, grasshopper, shrew, frog, and cattail.
Hawk, snake, frog, cricket, and shrew.
Grasshopper, snake, shrew, frog, cricket, shrew, and hawk.
36
______ factors are all living organisms in an ecosystem.
Community
Biotic
Abiotic
Habitat
37
Are HIGH biodiversity areas MORE or LESS likely to recover from a disturbance?
LESS
MORE
38
What Carrying Capacity?
The highest amount a population can be support in an ecosystem
How many things you can carry
The average number of population an ecosystem can support
The lowest amount a population can be support in an ecosystem
39
Identify the secondary consumer in this food chain.
Owl
Grass
Mouse
Grasshopper
40
In the taiga there are
Monkey, possum, bids, spiders
Elk,moose, bears,wolves, porcupines
Elephants,giraffe, ostrich,
Polar bears, seals, caribou,
41
A ________ is a large area with similar types of plants and animals.
Decomposer
Population
Biome
Habitat
42
What impact does deforestation have on the carbon cycle?
Increase in photosynthesis rate
Increase in CO2 in atmosphere
Decrease CO2 in atmosphere
No effect at all
43
Which of these is NOT an ecosystem service?
Provisioning
Customising
Regulating
Supporting

ES 2.7 Biodiversity in Ecosystems Flashcards | StudBud