unit 1 & 2
What is the tundra?
CED Page: 37
This biome contains permafrost.
What is carrying capacity?
Page:68
The maximum population size an environment can support
What is organic agriculture?
page: 111
Farming without synthetic pesticides or fertilizers.
What are nitrogen oxides?
Page: 141
Acid rain is mainly caused by sulfur dioxide and this gas.
What is carbon dioxide?
Page: 39
The main greenhouse gas produced by burning fossil fuels.
What is a keystone species?
CED Page: 58
A species with a major effect on its ecosystem despite low numbers.
What is weathering?
Page: 81
The process that breaks down rocks physically or chemical
What is renewable energy?
Page: 120
Energy from the Sun is classified as this type of resource.
What is eutrophication?
Page: 162
Pollution caused by excess fertilizers entering waterways.
What is global warming?
Page: 184
The gradual increase in Earth’s average temperature is called this.
What are producers? Page: 23
Organisms that make their own food are called this.
What is exponential growth?
Page: 69
Population growth shaped like the letter J is called this.
What is clear cutting?
Page: 96
Removing all trees from a forest area at once is called this.
What is ground level ozone/smog?
Page: 182
The pollutant formed when sunlight reacts with emissions from vehicles.
What is sea level rise?
Page: 192
Melting glaciers contribute to this global issue.
What is habitat fragmentation?
Page: 192
The splitting of habitats into smaller isolated sections is called this.
What is groundwater?
page 166
Underground water stored in permeable rock layers.
What are fossil fuels?
Page: 124
Coal, oil, and natural gas
What are microplastics?
Page: 166
Tiny pieces of plastic less than 5 mm long are called this.
What is the greenhouse effect?
Page: 184
Surface temperature necessary for life on Earth to exist.
What is 5,000 kcal?
50000\times0.10=5000
if producers contain 50,000 kcal of energy, this much reaches primary consumers using the 10% rule.
What is 20 births per 1,000 people?
80/4000 * 1000 = 20
A city of 4,000 people has 80 births in one year. This is the crude birth rate per 1,000 people.
What is 450 kWh?
A house uses 15 kWh per day for 30 days. This is the total energy used.
What is 90 tons?
A factory releases 120 tons of pollution yearly and cuts emissions by 25%. This is the new amount released.
What is 25%?
200 - 150/200 * 100 =125 25%
Carbon emissions drop from 200 tons to 150 tons. This is the percent decrease.