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Dat bio
ecology
| Question | Answer |
|---|---|
| ________ same species living together in a given location | Population |
| ____ capable of reproducing fertile offsping | species |
| ______ all portion of planet that supports life. | BIosphere includes:atmosphere, lithosphere, hydrosphere |
| _______ zone in hydrosphere has only heterotrophic life | aphotic zone |
| consequences of 2 species have the same niche | -competition for resources; extinction of a species -elimination of 1 species in an area -species evolve in divergent dir |
| ____ autotrophic that obtain energy from inorganic compds | chemosynthetic bacteria |
| herbivores are more adept at ______ than carnivore | defense |
| _____ 1 benefits but the other is not affected | commensalism |
| _______ both orgs benefits | mutualism |
| relationship b/t lichen and fungus | lichen makes food for fungus. fungus support lichen, conserves water and provides CO2. |
| _____ benefits at the expense of the host | parasitism |
| All__________ are parasites | virus cuz they only function within a host |
| most bacteria are | chemosynthetic / saprophytic |
| most fungi are | saprophytic |
| protists and fungi are grouped as | saprophytes |
| saltwater fish osmoreg | live in hyperosmotic environ; they drink water cuz lose water and excrete salt |
| freshwater fish osmoreg | live in hypoosmotic environ; excrete dilute urine, absorb salts |
| food chain | transfer of energy from plants to a series of orgs |
| the kingdoms that fall under saprophytes | bacteria, fungi, protists |
| food web | crossbranches of foodchains in a community |
| the greater the number of pathways in a foodweb ensures | more stable community |
| ______ has the greatest energy in a pyramid of energy | producers |
| ______ has the greatest mass in a pyramid of mass | producers |
| N2 is fixed in soil as nitrates by | - lightning - N2 fixing bacteria |
| saprophytes convert nitrates to | ammonia |
| ammonia converted to nitrites (NO2) by | nitifying bacteria |
| ____ convert nitrite to nitrate | nitrifying bacteria |
| ________ convert ammonia to N2 | denitrifying bacteria |
| climax community | pop that exist in balance with the environment |
| pioneer org | first org that settles during an ecological succession eg lichen |