Ecology and Ecosystems
This term describes a location that stores carbon
What is a Carbon Sink / Reservoir?
In a food web, the organisms that get energy directly from the producer(s) are in this trophic level.
What is the Primary Consumer?
This is the term for factors such as food, water, and shelter that restrict the growth of a population.
What are Limiting Factors?
The variable that the scientist manipulates or changes on purpose is known as this.
What is the independent variable?
This fundamental law dictates that chemical equations must be balanced.
What is the Law of conservation of mass?
This term describes the maximum population size of a species that an environment can sustain indefinitely.
What is Carrying Capacity?
This is the process by which plants transform sunlight into glucose (chemical energy).
What is Photosynthesis
This is the pattern that the wildebeest population graph showed between 1978 and 2004, where there was relative stability with some fluctuations.
What is the population fluctuating around carrying capacity?
In an experiment testing if a new brand of fish food makes fish grow faster, the dependent variable is this.
What is The size of the fish?
In a chemical equation, the substances you start with are called this.
What are Reactants?
This type of keystone species modifies or creates habitats.
What is an Ecosystem Engineer?
If Producers (Trophic Level 1) have 10,000 units of energy, this is how much energy will be available at Trophic Level 3 (Secondary Consumers), according to the 10% rule.
What is 100 units? (10% of 10,000 = 1,000 units for Primary Consumers; then 10% of 1,000 = 100 units for the Secondary Consumers
This is what would most likely cause a long-term increase in the carrying capacity for wildebeest in the Serengeti.
What is an expansion of grassland habitat?
This type of graph is best suited for showing a continuous change over a period of time.
What is a Line Graph?
When balancing the equation N2 + __H2 --> NH3 this is the correct coefficient for H.
What is 3?
A long-term decline in the food source specific to Monarch butterfly caterpillars would likely cause this to happen to the Monarch caterpillar population.
What is a decrease/decline?
This group of organisms contains the greatest biomass in an energy pyramid.
What are Producers?
This is what happens to the predator population (e.g., lion) after the prey population (e.g., wildebeest) increases.
When graphing data, the independent variable should be placed on this axis.
What is the X-axis only?
Photosynthesis and cellular respiration are related in this way.
What is The products of photosynthesis are the reactants of cellular respiration?
A keystone species is a species that other organisms largely depend on, if it were removed, the ecosystem would likely do this.
What is collapse?
This is what happens to the remaining 90% of energy that is not passed on to the next trophic level.
What is it's lost, mostly as heat or used for metabolism?
A decrease in the predator population is typically followed by this change in the prey population.
What is an eventual increase in the prey population?
A "positive interaction" in population dynamics is best described by an increase in one population causing this to the other population.
What is it also increases? (For example, an increase in grass causes wildebeest to increase.)
This is the general chemical equation for photosynthesis.