Abiotic/biotic factors
Which of the following is an biotic component of an ecosystem?
A) nutrient dense soil
B) flowing water
C) bacteria
D) sunlight
bacteria
Organisms that make their own food
What are producers/autotrophs
A series of organisms interrelated in their feeding habitats, only one path of energy flow
What is a food chain
What is the term for equilibrium, or a balance of organisms in an ecosystem?
Ecosystem homeostasis
one individual, composed of systems
What is an organism
Which of the following is not a biotic factor
A) average rainfall
B) levels of fungi growth
C) competition between bird species
D) Rate of bacterial growth
A) Average rainfall
Define heterotroph
an organism that hunts for its food, or needs to consume other organisms for energy
The position that an organism occupies in a food chain
What is a trophic level
What is a population
an organism's role in the environment
What is a niche
A nonliving thing
What is an abiotic factor
what type of organisms feed on dead plant and animal Matter, breaking it down into simpler substances
What is decomposers/detritivores
A set of organisms interrelated by a variety of different predator-prey and consumer-resource interactions
What is the food web
Group of different populations
What is a community
The rate at which biomass is produced
What is productivity
A living thing
What is a biotic factor
the 4 different types of heterotrophs
What are carnivores, omnivores, herbivores, and detritivores/decomposers
Earth and its atmosphere that supports life
What is a biosphere
What is the primary source of energy in most ecosystems?
What is sunlight
Group of different populations (all living organisms)
What is a community
True or false
Oxygen is an abiotic factor that all organisms need to survive
False
Plants use carbon dioxide, not oxygen
Organisms that hunt for food/consume other organisms for energy
What is a consumer/heterotroph
Diagram that demonstrates that each trophic level passes 10% of energy, 90% loss
What is an ecological pyramid
What is the term for the wide variety of plant and animal life on earth?
biodiversity
What is ecology