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biology test chap 4
ecology
| 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 |
Created by:
mcnmode
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