General Ecology
Scientific name for a place where living and nonliving things interact
Ecosystem
Nonliving parts of an ecosystem
Abiotic
The size of a species' _______ can change depending on access to limiting factors
population
Arrows represent the flow of __________ in an ecosystem.
energy
Fungi and ________ are the main types of decomposers.
bacteria
The maximum number of individuals that an ecosystem can support is called the
Carrying capacity
Scientific term for living thing
Biotic
Limiting factors are things that a species needs. Another word for that is...
Resources
State what is wrong with the following food chain: grass <-- rabbit <-- wolf
Arrows should go in the other direction.
Decomposers feed on this.
dead organisms and waste
This type of consumer only eats other consumers.
Carnivores
This abiotic factor describes the amount of acid in a liquid
pH
A wolf population decreases in size. What are some possible limiting factors that caused this?
Lack of food, lack of shelter, lack of water
(See image) According to the food web, a mouse eats these 2 things.
What are wheat and clover?
Decomposers help do this with nutrients from dead organisms.
recycle them back into the environment
This type of consumer gets energy by eating both producers and other consumers.
Omnivores
This microscopic biotic factor can be found in soil, decomposing dead organisms and providing nutrients for plants
bacteria
(See image) State one possible reason the Aspen tree population declined
Too many beavers, humans cutting down trees, disease
(See image) According to the food web, owls and snakes compete for this source of energy (food).
Mice
This type of organism directly depends on the nutrients left behind by decomposers
Producers/plants
This is the main source of energy for producers.
The sun
This biotic factor can be found in oceans, providing a habitat for many other species. They are severely threatened due to climate change
coral/coral reefs
(See image). State one possible limiting factor that caused the beaver population to decline
Lack of trees to build homes, hunting
(See image) Name 2 primary consumers in the given food web.
Protozoa and snails
(See image) This type of organism directly depends on the nutrients left behind by decomposers
E because it receives energy from all of the other organisms.