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Final exam review
A _____ is a simple model that sows how energy flows through an ecosystem
The biosphere e portion of earth that supports
Plants use the suns energy to manufacture food in a process called
Which of the following information could be included in the description of a grasshoppers niche, but not in the description of its habitat?
Temperatures it experiences
Continent where it lives
Location where it shelters
Plants species it eats
What does a decrease in salmon population due to an increase in river temperature indicate?
Change in population but not in biotic factors
An affect predation
An abiotic factor affecting a biotic factor
An unchanging biological community
Which of the following would be abiotic factor for a bird?
How warm the area is
What size the bird is
Type of food it eats
The type of feathers
Which of the following nutrients has only a short-term biogeochemical cycle?
Which of the following would be the easiest way to diagram predatory and parasitic relationship between several species?
Which biogeochemical cycle is least dependent on biotic processes?
Which of the following is are is an biotic factor for an organism?
All of the answers
What is the name for a group of interacting populations that occupy the same area at the same time?
Plants return liquid water to the atmosphere through a process called
Some birds are known as honey guides because they may be followed by humans to wild beehives. when the humans take honey from the hives, the birds are able to feast on the honey and bees, too. this type of relationship can best be described as ____.
The scientific study of the intertions among organisms is called
A population is considered
A group of the same species
The relationship between nitrogen-fixing bacteria and their host plants is best called ________
To explain and show the amount of living material at each trophic level of a food chain changes, you could us a pyramid of
The range re in which an insect is able to live and reproduce is one element of that organism's ________, a description of its ecological requirements
Which location would most likely hold autotrophs that derive their energy from chemical compounds
Grassland soil surface
Which process describes nitrogen fixation?
Organims die and are decomposed into ammonia in the soil
Animals eat plants containing nitrogen and return it to soil through urination
Bacteria take nitrogen from the air and convert it to a form usable by plants
Plants take nitrogen from the air and store in their roots
A symbiotic relationship in which both species benefit is called
One of the nutrient cycles moves from an atmospheric gaseous form to the soil through both abiotic and biotic processes, moves through the food web, then is returned to the soil or to the atmosphere. Which cycle fits this description?
Your favorite plant is growing very slowly, and you would like to find some way to increase its growth rate. Which of the following should you try increasing first?
Which of the following is the ultimate source energy on earth?
The total mass of living matter at each trophic level is called
An organic compound
Decomposers recycle ___ from other organisms, but they use energy to do so.
Which of the following would have an abiotic effect on an organism?
What is the "soil type" to an earth worm?
Which of the following allows the flow of energy through an ecosystem to happen?
Cycling of nutrients
Which cycle involves the waste products from animas?
Some farmers use manure on their crops fields. how does this help the plants?
Keeps insects from eating the crops
Increases soil nitrogen and phosphorus
Protects them from intense sunlight
Increases soil oxygen and carbon dioxide levels
Which of the following is the order of the water cycle?
Precipitation, evaporation, condensation, runoff
Evaporation condensation, transportation, runoff
Condensation, precipitation, runoff, evaporation
Evaporation, condensation, precipitation, runoff
Which of the following types eat meat only?
Which of the following is a niche of a polar bear?
Can live in extreme cold
Can hunt for food
Needs energy to survive
Can live in both extreme cold and heat
Organisms that can manufacture their own food (energy) are called
Cougars are predators that often eat weakened or diseased animals. This is a description of the ____ of cougars
None of these
Burning fossil fuels has rapidly released long-term reserves of the ____ cycle.
A nitrogen molecule has just been "fixed" by a nitrogen-fixing bacterium. The next organism to use the nitrogen molecule is probably a(n)
Water, carbon, nitrogen are released back into the atmosphere during
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