WorksheetsEcology Terms
Total questions: 25
Worksheet time: 18mins
What is a population?
groups of different species living in the same area
group of the same species living in the same area
includes all of the organisms and non-living things in an area
major regional or global community
What is a community?
Different populations of organisms living in the same environment.
One population of organism living in the same environment.
Different populations of organisms living in more than two environments.
One population of organism living in more than two environments.
What is an ecosystem?
The interactions among living and non-living things in an environment.
A type of organism that can only be seen with a microscope.
A bunch of moving parts that do work.
The newest craze in social media.
Plants that make their own energy from the sun through photosynthesis are called (choose 2) -
carnivores
consumers
autotrophs
producers
Organisms that eat other organisms to get energy are called (choose 2) -
autotrophs
consumers
producers
heterotrophs
What is each level on a food pyramid or food chain called?
Energy Pyramind
Trophic Level
Limiting Factor
Biodiversity means...?
The amount of different life
Number of organisms in a given area
Number of different ecosystems
Difference in the sub-species of the original parent
The recovery of an area that has been disrupted is known as..?
Primary succession
Secondary succession
Succession
Biodiversity
The permanent relationship among different species is known as what?
Mutualism
Predator-Prey
Symbiosis
Niche
The primary consumer is also known as a
carnivore
decomposer
herbivore
omnivore
What is the role of the decomposers?
To provide energy to the producers
To recycle the nutrients back into the soil
To break down the plants so the herbivores can get energy
Turn the dead organisms into a biotic factor
Which of the following would happen if all the frogs were removed?
The cricket population would decrease
The grasses would increase
The deer would go extinct
The hawk population would decrease a bit
link represented by each organism in a food chain; represents a feeding step in the transfer of energy and matter in an ecosystem.
Food Chain
Food Web
Energy Pyramid
Fermentation
Which of the following processes can bacteria perform that is not possible for the other members of a typical ecosystem?
absorbing energy from sunlight
preventing the erosion of topsoil
using nitrogen from the atmosphere
decomposing the remains of organisms
Bacteria, worms and fungi can be classified as
Decomposer
Consumer
Producer
Trophic
Which of the following is most likely to cause a decrease in a predator population?
a reduction in competition
more primary producers
fewer prey
predator populations never vary
By breaking down the dead tissue of a fallen log, bacteria help to ensure that
sick trees do not make seeds
young trees get enough nutrients
old trees do not live too long
healthy trees get enough sunlight
A forest fire in California destroys almost fifty acres of forest. For scientists working in the forest in the years after the fire, which will they be observing?
primary succession
disturbance succession
post succession
secondary succession
Which of the following represents a factor that limits a population and is dependent on the population density?
disease
resource availability
competition
weather patterns
