Rabbits, their predators, and the water, sunlight, and plants that they rely on would be considered a(n)

Which of the following is NOT a characteristic of a living thing?

A field of sunflowers facing towards the sun is an example of

If an organism divides and produces an exact copy of itself, the organism

What is one biotic factor that affects the size of a population in an ecosystem?

Organisms, such as plants or phytoplankton that carry out photosynthesis, would cause a decrease of which gas in the

atmosphere?

In the carbon cycle, decomposers return carbon to the soil. Which of the following is NOT something that

decomposers can break down?

Humans increase carbon dioxide (CO2) in the atmosphere, and contribute to the carbon cycle by

Nitrogen in the air must be "fixed" before it can be used by plants. Atmospheric nitrogen is "fixed" by

When deforestation (cutting down trees) occurs in an area, what immediate effect does this have on the water cycle?

The main result of photosynthesis is

Bacteria are involved in many steps of the biogeochemical cycles. Which of the following steps is bacteria NOT involved?

Water can be returned to the atmosphere through the leaves of plants by

For the carbon cycle and the nitrogen cycle to function properly, which organisms must always be present?

Moisture rising from a lake

Moisture absorbed underground

The forming of clouds

Moisture rising from trees

Moisture falling from the sky

Moisture moving down an incline

Which of the following is true of density-dependent limiting factors?

A population of mice occupies a tree stump. For ten years, the population has been stable. Which of the following would likely cause the number of mice to begin to decrease?

What pattern of growth will a population with limited resources show?

Conditions in the environment that impact the size of the population are called

Which factor is a density-dependent limiting factor on the population of a species?

Density-Dependent Factors are

Density-Independent Factors are

The study of relationships between two organisms & between an organism and its environment

Type of Reproduction: 2 parents produce genetically unique offspring together

Type of Reproduction: 1 parent produces genetically identical offspring

A change in an organism’s environment (cause)

How an organism reacts to a change in its environment (effect)

An individual member of a species or population

Multiple organisms of the same species living together

Multiple organisms of different species living together

Community PLUS all of the abiotic factors in the environment

Multiple ecosystems that share similar characteristics but are located in different parts of the planet

The zone of life on Earth, encompassing all of Earth’s ecosystems

The variety of organisms considered at all levels, from populations to ecosystem

Diagram that shows relatedness of organisms

* Does NOT show ancestral relationships like a phylogenetic tree does

Tool used for identifying organisms based on their characteristics

The 3 Main Biogeochemical Cycles

The Water Cycle is driven by the

Water falls to Earth as a liquid (usually rain, sleet or snow)

Some water seeps underground from the surface of the Earth

An underground layer of permeable rock that can hold water

Liquid water that isn’t infiltrated runs along the surface and collects in bodies of water

Sun heats liquid water to vapor and it rises to the atmosphere

Water rises back into the atmosphere as water vapor from plants

Water vapor condenses to form clouds before precipitating again

Which is NOT a type of population dispersion

Population grows without limit

Population grows quickly at first and then levels off

The maximum population that a given environment could support

Aspects of the environment that limit the size a population can reach

The living factors in an environment

The nonliving factors in an environment