3.1
True or False:
Biotic (living) factors are the only things monitored in an ecosystem
FALSE
When living things are fighting for resources (food, water, shelter, etc), it is called what?
Competition
The predictable pattern of change in ecosystems is called what?
Succession
A chemical pesticide that was used to kill insects that was BANNED is called what?
DDT
When something happens that you did not mean to is called what?
Unintended consequence
RANDOM:
What comes once in a minute, twice in a moment, but never in a thousand years?
The letter "m"
When species that are not native to a particular area are introduced to that area, it is called what?
Bioinvasion
_______ occurs in areas where no life exists due to an absence of soil.
Primary succession
If a species becomes ________, it can no longer be found anywhere in the world.
Extinct
_________ is using resources in a way that does not use them up completely
Sustainability
___________ means the types and number of species living in the environment.
Distribution of living things
When one animal hunts other animals for food, it is called what?
Predation
In the process of succession, communities will grow and replace one another until a __________ forms.
Climax community
Sometimes the organism is only lost in a large region, this is called what?
Extirpated
________ is a measurement of the amount of materials and energy each person uses every day.
Ecological footprint
__________is a way to check the condition - health - of an ecosystem by comparing results of investigations done at different times.
Ecosystem monitoring
RANDOM:
What five letter word has one left when two are removed?
StONE
A _________ is a stable ecosystem of a diverse number of species that is not easily replaced by other communities.
Climax community
If a particular species is in danger of becoming extinct, or extirpated, it is
Endangered
RANDOM:
A man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?
The river is frozen
The 4 types of ecosystem monitoring are:
Physical
Environmental
Chemical
Biological
Name two ways ecosystems can negatively change besides competition, bioinvasion and predation.
Weather
Humans
__________ occurs when a community has been destroyed or disturbed by natural occurrences or human activities.
Secondary succession
If a species population is starting to decrease, it is considered what?
Threatened
How were the peregrine falcons saved?
They were monitored and then put in captive breeding and then released when their population went up.