What does a Pyramid of Biomass show

Shows how much biomass is located at each trophic level

what is primary succesion?

biological and ecological succesion of plant life

What Carrying Capacity?

The average number of population an ecosystem can support

Animals that eat primary consumers

Why do some populations grow exponentially?

They don't have a limiting factor.

The climax community is

a long lasting and apparently stable plant community

Study of relationships of organisms with their environment and each other.

The arrows on a food web...

...shows the direction the energy is moving to

The major effects of habitat fragmentation are:

loss of biodiversity, blocking of animal migration routes

whats a limiting factor

an environmental factor that causes a population to decrease

A secondary consumer is...

Something that eats primary consumers.

reestablishment of a damaged ecosys. where soilwas left intc

What is secondary succession?

plants and animals recolonize a habitat after a major disturbance

Why do we usually NOT see populations grow exponentially?

Because populations can only grow until they reach their carrying capacity

What is the 10% rule?

Only 10% of energy moves up each trophic level

When does symbiosis occurs?

When two different organisms live together in a close relationship

Invasive species are...

A non-native species to an ecosystem that causes harm

It describes what a organism does and how it interacts with the environment

What is a Population?

Group of Organisms of 1 species that live in the Same Area

What is Biotic Factor

The living things in an ecosystem

What is conservation biology?

The sustainable use and management of natural resources

What is biodiversity?

The variety of life that can be found on earth.

what is a heterotroph?

an organism getting its nutrition from complex organic substances.

What is land degradation?

The value of land declining due to human activity.

habitat fragmentation

separation of an ecosystem into small pieces of land

Symbiosis is the relationship of 2 different organisms

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Ecology

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Questions 61

Answers

1
What does a Pyramid of Biomass show
Shows how much biomass is located on each continent
Shows how much biomass is located at each trophic level
Show how much each animal weighs
Shows how much biomass is located on earth
2
mutualism, commensalism or parasitism
parasitism
mutualism
commensalism
3
what is primary succesion?
a shift
a food chain
where plants and animals recolonize a habitat after a major disturbance
biological and ecological succesion of plant life
4
What Carrying Capacity?
The lowest amount a population can be support in an ecosystem
The average number of population an ecosystem can support
The highest amount a population can be support in an ecosystem
How many things you can carry
5
Secondary Consumer
Animals that eat primary consumers
Eats producers
A a plant that makes its own food.
Breaks down dead matter.
6
A trophic pyramid shows...
nutrients in a food chain
energy in a food chain
photosynthesis
the carbon cycle
7
What is the single biggest cause of habitat degradation?
the weather
animals
climate change
humans
8
Why do some populations grow exponentially?
They don't have a limiting factor.
Unlimited resources.
They don't level off.
They grow past their carrying capacity.
9
The climax community is
the animal species at the top of the food chain
always changing
a long lasting and apparently stable plant community
the limiting factor for the community
10
According to the graph below what biome has an average temperature of 10°C and an annual precipitation of 50 cm
Tropical seasonal forest
Grassland
Boreal forest
Temperate forest
11
What is ecology?
Study of relationships of organisms with their environment and each other.
How people change over time.
A class I have to take but don't want to?
The study of money and how it changes.
12
What is an abiotic factor?
Living
Non-Living
Organisms
Plants
13
The arrows on a food web...
...shows the direction the energy is moving to
...show who is the prey.
...shows who is the predator.
14
Identify the PRODUCERS in the food web:
Cattail
Marsh Grass
Marsh grass and grasshopper
Marsh grass and Cattail
15
The major effects of habitat fragmentation are:
climate change and pollution
loss of biodiversity, increase in fossil fuel emissions
loss of biodiversity, blocking of animal migration routes
pollution and increase in biodiversity
16
Lava flow: density independent or dependent factor?
Density independent factor
Density dependent factor
17
Seasons affect carrying capacity.
False
True
18
whats a limiting factor
a nonliving part of an organism's habitat
something found in nature that enhances the living parts
all the different populations that live together in a certain area
an environmental factor that causes a population to decrease
19
A secondary consumer is...
Something that makes its own food via photosynthesis.
I don't know
Something that eats primary consumers.
Something that eats only producers.
20
secondary succesion
establishment of intact ecosystem where soil was left outact
establishment formmat
succesion in the primary form
reestablishment of a damaged ecosys. where soilwas left intc
21
What is secondary succession?
The way plants reproduce
plants and animals recolonize a habitat after a major disturbance
Growth of oak trees a year
The type of animals that live in an ecosystem
22
Why do we usually NOT see populations grow exponentially?
Because populations can only grow until they reach their carrying capacity
We do see all populations growing like this.
Populations used to grow like that, but they no longer do.
Populations can't grow like that.
23
What is the 10% rule?
10% of the U.S. budget goes toward the environment
10% of the world needs to recycle
10% of energy is dissipated as heat
Only 10% of energy moves up each trophic level
24
whos that pokemon
Tappat
Mr. Rime
Alolan Sandslash
Mr. Mime
25
When does symbiosis occurs?
One organism is helped and the other isn’t hurt or helped
One organism is helped and the other is harmed
All of them
When two different organisms live together in a close relationship
26
In mutualism:
Neither benefits
One benefits while not harming the other
One benefits while harming the other
Both organisms benefit
27
According to the graph below what biome has an average temperature of 25°C and an annual precipitation of 200 cm
Boreal forest
Grassland
Tropical seasonal forest
Temperate forest
28
Invasive species are...
A species that causes harm to an ecosystem
A species from another country
A non-native species to an ecosystem that causes harm
Non-native species to an area
29
According to the graph below what biome has an average temperature of 10°C and an annual precipitation of 250 cm
Grassland
Boreal forest
Temperate rain forest
Temperate forest
30
According to the graph below what biome has an average temperature of -3°C and an annual precipitation of 100 mm
Boreal forest
Grassland
Temperate forest
Tropical seasonal forest
31
A tree is a biotic factor
True
False
32
What is a niche?
Any necessity og life, such as water, nutrients, light, food, or space
It describes what a organism does and how it interacts with the environment
A species tolerance for environmental conditions.
A niche describes a general place an organism lives?
33
What is a Population?
Group of Organisms of 1 species that live in the Same Area
Both A and C
A group of People
Group of Organisms of multiple species that in the Same Area
34
A volcano destroying an ecosystem just for the area to be recolonized in the next 50 years is an example of?
Adapatation
Evolution
Primary succession
Secondary Succession
35
What is Biotic Factor
The living things in an ecosystem
The non-living things in an enviornment.
36
whos that pokemon
ivysaur
bulbasaur
venasaur
snivy
37
The secondary consumers in this food web are...
Snake, shrew, frog
Grasshopper and cricket
Shrew, frog
Grasses
38
What is conservation biology?
The sustainable use and management of natural resources
the same as preservation biology
all of the above
keeping humans out of natural areas
39
What is biodiversity?
The variety of life that can be found on earth.
The regions of the Earth
Study of animal behavior
The concentration of toxins in an organism.
40
what is a heterotroph?
autotroph
food web
an organism getting its nutrition from complex organic substances.
meat eaters
41
A dog and a human is what type of symbiosis?
Emotional Suppport
Parisitism
Mutualism
Commensalism
42
Flood: density independent or dependent factor?
Density dependent factor
Density independent factor
43
According to the graph below what biome has an average temperature of 10°C and an annual precipitation of 150 cm
Grassland
Temperate forest
Tropical seasonal forest
Boreal forest
44
What is land degradation?
Soil becoming manageable
Animals changing the land
Building structres on arable land
The value of land declining due to human activity.
45
What legendary Pokemon is this
ELECTIC BIRDIMON
Articuno
Moltres
Zapdos
46
habitat fragmentation
the process in which a habitat cannot be removed
the disruption of habitat
separation of an ecosystem into small pieces of land
47
Which does NOT apply to primary succesion?
starts after retreating glacier, volcanic eruption
start with soil
begin with weathering, lichen, pioneer species, then successional species
development of communities in area not recently inhabited by life
48
Density independent factors tend to be...
Abiotic
Biotic
49
What type of symbiosis involves a host?
commensalism
parasitism
consumer
mutualism
50
What is Symbiosis?
Symbiosis is when the fish are not related
Symbiosis is when pigs have a relationship with fish
symbiosis is when cats get coronavirus
Symbiosis is the relationship of 2 different organisms
51
What is a trophic level?
The transfer of energy
The ultimate energy source
The direction energy and matter is transferred
Each step in a food chain
52
Rocks are a biotic factor.
True
False
53
what is an autotroph?
abiotic
heterotroph
biotic
capture energy and convert to "food"
54
Secondary succession starts with ...?
Trees
Soil
Animals
Rocks
55
Density independent factors tend to be...
Weather and natural disasters.
Biotic
Resources
Migration
56
Which is a tertiary consumer?
Frog
Grasshoper
Berries
Fox
57
What is the carrying capacity of this species
1.5 million
1850
1 million
2 million
58
Density dependent factors tend to be
Small population only.
Availability of resources, preditaiton, disease, and migration.
Large population only.
Weather and natural disasters.
59
Parasitism is when...
one organism benefits and the other is harmed
turtles eat cheesecake
both organisms benefit
both organisms benefit
60
What is Population Density?
The number of people in a given area
What humans are made of
What the population is made of
The amount people weigh
61
What is a food chain?
Blank answer
An imaginary chain
A chain made of food
A string of animals that eat other things.

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