30 Jan Plants that produce seeds
Unit VIII Assessment
Question 1
Scientists have documented that the current level of carbon dioxide in the atmosphere is __________.
Question 2
One sustainable way farmers can replace nutrients in the soil is:
Question 3
What are the reactants of photosynthesis?
Question 4
The use of chemical pesticides may be reduced by __________.
Question 5
The United States represents less than 5% of the world’s population. However, it is responsible for __________ of the world’s carbon dioxide emissions resulting from burning fossil fuels.
Question 6
Match the following terms to their definition or example.
Question
Selected Match
Chloroplasts
Organelle where photosynthesis takes place
Stomata
Open or close to change the flow of gases and water into or out of the plant cells
Organic
Natural fertilizer from partially decomposed waste products
Monoculture
Planting a single crop over wide acreage
Biomagnification
Concentration of toxic chemicals at higher levels of a food web
Eutrophication
Caused by fertilizer runoff from farms
Gymnosperms
Plants that produce seeds but no flowers like pine trees
Angiosperms
Most successful group of plants on Earth
Perennials
Plants that live for many years
Tubers
Yams
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