Atmosphere Biosphere hydrosphere lithosphere 1. 4. 3. 2.
branch of biology that studies interactions among organisms and their environment
1. 4. • Sunlight • Scavenger • Decomposer • Temperature • Precipitation • Predator • Parasite • Host • Wind speed • Prey • Abiotic • Biotic 2. 5. 3. 6.
6. Biome Biosphere Community Ecosystem Organism Population 5. 4. 3. 2. 1.
The lowest level of environmental complexity that includes living and nonliving factors
Plants are 1. 2.
1. • Plants, some bacteria and some protists • Bacteria only • Requires sunlight • Doesn’t require sunlight • Makes carbohydrates • Makes oxygen • Uses hydrogen sulfide • Hydrothermal vent communities in abyss • phytoplankton in open ocean • Photosynthesis • Chemosynthesis 2.
In which way are plants in a sunny mountain meadow and sulfur bacteria in a deep-sea volcanic vent alike?
Phytoplankton • zooplankton Producer Consumer Autotroph Heterotroph Drift in water Animal like Plant like
herbivores • carnivores • omnivores • detritivores • decomposers • Meat eater • Plant eater • Eat meat and plants • Eat decaying particles • Decay dead organisms Longer intestine More surface area on teeth Extra chambers in digestive tract Sharper teeth
Biomass Numbers Energy
Primary producer Primary consumer Secondary consumer Tertiary consumer What happens to the number of frogs when the shrew population decreases? Why??? 1st trophic level 2nd trophic level 3rd trophic level 4th trophic level
What would happen if the population of the bird species shown in the ecosystem were to suddenly decrease?
Corn planted in a field that has been previously planted with legumes and then plowed under is likely to be
All the interconnected feeding relationships in an ecosystem make up a food
The total amount of living tissue within a given trophic level is called the
What is the term for each step in the transfer of energy and matter within a food web?
Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s life processes, and the rest is
The repeated movement of water between Earth’s surface and the atmosphere is called
2. 1. 9. 8. 3. 4. 5. 6. 7.
Carbon cycles through the biosphere in all of the following processes EXCEPT
The movements of energy and nutrients through living systems are different because
What can happen immediately after a lake receives a large input of a limiting nutrient?
Why can’t the producers in some ecosystems make an unlimited supply of organic material?
Animals that get energy by eating the carcasses of other animals that have been killed by predators or have died of natural causes are called
Phosphorus is very important for living things because living organisms need phosphorus to
2. 1. 7. 4. 6. 5. 8. 9. 3.
Each of the following is an abiotic factor in the environment EXCEPT
Which is a biotic factor that affects the size of a population in a specific ecosystem?
During a long period when there is no rainfall, a mountain lion may temporarily leave its usual hunting territory to drink from a farm pond. This behavior is due to