Question | Answer |
the branch of biology dealing with interactions among organisms and between organisms and their environment is called? | ecology |
The part of earth in which all loving things exist is the? | biosphere |
All of the members of a particular species that live in one area are called a? | population |
Which of the following descriptions about the organization of an ecosystem is correct? | Species make up populations, which make up communities |
The simplest grouping of more than one kind of organism in the biosphere is? | community |
Populations in a community and the living and nonliving factors with which they interact | ecosystem |
Green plants are? | producers |
Which is the original source of almost all the energy in most ecosystems? | sunlight |
Algae in the beginning of a food chain is the? | producer |
An organism that cannot make its own food is called a? | heterotroph |
Organisms that break down and feed on wastes and dead organisms are called? | decomposers |
What is an organism that feeds only on plants called? | herbivore |
What animals eat both producers and consumers? | omnivores |
What is the term for each step in the transfer of energy and matter within a biological community? | trophic level |
All the interconnected feeding relationships in an ecosystem make up a food? | web |
A bird stalks, kills, then eats an insect. Based on its behavior, which ecological terms describe the bird? | Carnivore, consumer |
Each of the following is an abiotic factor in the environment EXCEPT | Plant life |
An Organisms niche is | the way the organism uses the range of physical and biological conditions in which it lives |
An interaction in which one organism captures and feeds on another organism is called a? | predator |
A symbiosis in which both species benefit is | mutualism |
The symbiotic relationship between a flower and the insect that feeds on its nectar is an example of? | mutualism because the flower provides the insect with food, and the insect pollinates the flower |
The sequence of energy flow through a food chain is? | producers; primary consumers; higher order consumers |
In terrestrial ecosystem, the trophic level that would contain the largest biomass would be the? | producers |
what organisms below would be considered secondary consumers? | ducks and mice |