Unit 1: Ecosystems
This process converts solar energy into chemical energy. p. 31
What is photosynthesis?
The variety of life in an ecosystem is called this. p. 47
What is biodiversity?
This type of population growth forms an S-shaped curve. p. 61
What is logistic growth?
This layer of Earth is made of broken rock and organic matter. p. 77
What is soil?
Farming one crop repeatedly on the same land is called this. p. 92
What is monocropping?
Organisms that break down dead organic matter are called this. p. 34
What are decomposers?
A species found only in one geographic location is known as this. p. 50
What is an endemic species?
The largest population size an environment can sustain is called this. p.62
What is carrying capacity?
The movement of water through Earth’s systems is called this. p. 82
What is the hydrologic cycle?
This irrigation method loses the most water to evaporation. p. 97
What is flood irrigation?
What part of the Earth's Sphere does not contribute to the movement of phosphorus. p. 42
What is the atmosphere?
This type of species has a disproportionately LARGE effect on its ecosystem. p. 52
What is a keystone species?
A survivorship curve with high survival until old age is this type. p. 68
What is Type I survivorship?
This type of rock is formed from cooled magma or lava. p. 79
What is igneous rock?
The harvesting of trees without replacing them contributes to this issue. p. 100
What is deforestation?
This ecological rule states that only about 10% of energy transfers between trophic levels. p. 39
What is the 10% rule?
Cutting down forests faster than they regrow is known as this. p. 56
What is deforestation?
Species that produce many offspring with little parental care are called this. p. 70
What are r-selected species?
Areas with permeable rock that store groundwater are called these. p.84
What are aquifers?
Trash buried in layers underground is disposed of in this type of facility. p. 109
What is a sanitary landfill?
If producers contain 10,000 kcal of energy, approximately how much reaches the secondary consumers? p. 39
What is 100 kcal?
A population grows from 200 to 260 individuals. What is the percent increase? p. 58
What is 30%?
A town has 1,000 people, 80 births, and 20 deaths in one year. What is the population growth rate percentage? p. 64
What is 6%?
A region receives 120 cm of precipitation and loses 70 cm to evaporation. What is the runoff? p. 83
What is 50 cm?
A farm uses 5,000 L of water daily and reduces usage by 20%. How much water is saved per day? p. 97
What is 1,000 L?