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Ecology Quiz Review
Empty slide to keep flashcards in order
______ is the study of how organisms interact with other organisms and
their environment?
ECOLOGY
What is the study of living things and how they interact with their environment?
Name the levels of organization of living things in Ecology from smallest to biggest.
What is…
OrganismSpeciesPopulationCommunityEcosystemBiomeBiosphere
SpeciesOrganism
What is an organism?
What is an organism?
One member of a species
What is a species?
What is a species?
An organism that can reproduce and produce fertile offspring
What is a population?
What is a population?
Organisms of the same species living in the same area.
Why are you looking at
us?
What is a community?
What is a community?
All the different species (living things) in an area
What is an ecosystem?
What is an ecosystem?
All the living (biotic)and non-living (abiotic) things in an area
“Abiotic”Non-Living
SunWater
Soil
“Biotic”Living
TreesDucksFish
What is a biome?
What is a biome?
Group of ecosystems with same climate, same types of living things
(plants and animals)
What is the biosphere?
What is the biosphere?
All the areas of the Earth (above, on, below surface) that contains living
things
______ is where an organism lives and gets its needs met? (example: food, air, shelter, etc.)
Habitat is where an organism lives and gets its needs met? (example: food, air, shelter, etc.)
______________ is the average temperature and precipitation in a particular area.
CLIMATE is the average temperature and precipitation in a particular area.
What make their own food?
PRODUCERSAUTOTROPHS
(PLANTS!)
What need to find and eat food?
What need to find and eat food?
Heterotrophs - Consumers
Carnivore Herbivore Omnivore
Decomposers Scavengers
What do each of these consumers eat?
Carnivore, Herbivore, Omnivore
Carnivore, Herbivore, Omnivore
Eats only meat
Eats only plants
Eats meat and plants
What do each of these consumers eat?
What digests and absorbs nutrients from breaking down dead and
decaying organisms?
DECOMPOSERS(Mushrooms, Worms, Bacteria)
What digests and absorbs nutrients from breaking down dead and
decaying organisms?
What is an organism that eats already dead animals?
ScavengersVultures & Hyenas
We really need to thank the
lions for killing our meal!
What provides almost all the
energy in ecosystems?
THE SUN!!!!
What provides almost all the
energy in ecosystems?
What is this structure called?
Name and describe each trophic level.
How much energy is transferred from lower level to next?
What is this structure called? Energy Pyramid
Name and describe each trophic level. See labels
How much energy is transferred from lower level to next?
10%
Carnivores (eat Herbivores)
& Omnivores
Carnivores & Omnivores
What is this called?
Food Chain
Linear
Loss of one organism disrupts the chain
A ______ ____ is an ecological model of the relationships of complex interactions among organisms in a community.
Why does the arrow point towards the consumer?
Food Web
• Arrows show the transfer of energy from one organism to another.
• Arrow points to mouth that does the eating. • One loss of organism does not disrupt the entire
web.
A ______ ____ is an ecological model of the relationships of complex interactions among organisms in a community.
Biotic Factor means…
Abiotic Factor means…
Biotic factor means…Living factors that affect the environment or a population. Examples: disease, predators, prey
Abiotic factor means…Non-living factors that affect the environment or a population.Examples: wind, hurricane, tornado, flood
What is the human factor?
A factor caused by human actions such as pollution, all trees cut down, global
warming, making a park, or over hunting that affect the environment or a
population.
____________ is the term used for organisms fighting for the same
resources (food, shelter, mates) in an area.
__Competition______ is the term used for organisms fighting for the
same resources (food, shelter, mates) in an area.
____________ is your habitat plus your role in it (a relationship)
Mother/Child or Predator/Prey
Niche is your habitat plus your role in it (a relationship)
Mother/Child or Predator/Prey
_____?______ is the term for
organisms depending on each other
SYMBIOSIS is the term for
organisms depending on each other
_____________ is when both organisms help each other (+/+)
Ex: Bee & FlowerLichen (algae/fungus)Shark & Remora Fish
Mutualism is when both organisms help each other (+/+)
Ex: Bee & FlowerLichen (algae/fungus)Shark & Remora Fish
_______ is when one organism gets helped and the other not affected (+/0)
(harmed or helped)
Ex: Bird nest/TreeBarnacle/Whale
Commensalism is when one organism gets helped and the other not affected
(harmed or helped) (+/0)
Ex: Bird nest/TreeBarnacle/Whale
_________ is when one benefits (parasite) and one is harmed (host) but not necessarily killed
(+/-)
Ex: Tick (parasite)/Dog(host)
Mistletoe(parasite)/Deciduous Tree(host)
Parasitism is when one benefits (parasite) and one is harmed (host) but not necessarily killed
(+/-)
Ex: Tick (parasite)/Dog(host)
Mistletoe(parasite)/Deciduous Tree(host)
What is it called when one organism kills and eats another?
What is Predator/PreyPredator (lynx that kills and eats) vs. Prey (rabbit that gets killed)
(+/-)
“Predation”
________ __________ is when the area did not have any growth, begins with rocks/lava and slowly began with small plants, and eventually became a forest.
Primary Succession: is when the area did not have any growth, begins with rocks/lava and slowly began with small plants, and eventually became a forest.
________ _____ is when there was a forest and a fire or other disaster killed most but not all plants and then it re-grows into a forest again.
Secondary Succession is when there was a forest and a fire or other disaster killed most but not all plants and then it re-grows into a forest again.
A B C D
Which type of vegetation represents a climax community?
A B C D
Which type of vegetation represents a climax community?
Largest Mature Trees
Be able to: •Explain what carrying capacity is •Determine the carrying capacity of population•Explain what factors (biotic, abiotic, human) cause increases and decreases in a population
When population graph is …
↗ Births > Deaths (resources are plenty, predators decreased, etc.)
↘ Births < Deaths (resources are low; predators increasing, etc.)
→ Level: Births = Deaths (resources are right for number of organisms)
Dotted line is the carrying capacity (amount of organisms the area can support)
Keep studying until you get every question correct!
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