Chapter 1 Flashcards
How much percentage of the earth’s biomass do plants make up?
98%
What is the backbone of all life on earth?
Carbon
If all green organisms on earth were killed, how long would animals live?
11 years (estimated)
How much of the earth’s surface is covered by tropical rainforests?
6%
What percentage of all the species of living organisms are the rainforests home to?
50%
How many species are estimated to be destroyed every day due to rainforest deforestation?
137
What percentage of the world’s food do plants provide?
90%
Some opium is derived from the capsules of what flower?
Opium Poppy
Where are carnivorous plants usually found?
Bogs
Why are carnivorous plants usually found in bogs?
Nutrients such as minerals are hard to find in that environment
The results of any experiment designed to test the hypothesis must have what two qualifications?
- Must be repeatable
- Must be capable of being duplicated by others
List 4 things that carnivorous plants can eat.
Insects, Frogs, Rodents, and Birds
What do animals provide for carnivorous plants?
Important nutrients
What do animals not provide to carnivorous plants?
Calories
How tall can California Redwoods and Sequoia trees grow?
Over 300 ft
List 6 things that plants provide for humans.
- Food
- Animal feed
- Shelter
- Clothing
- Industrial products
- Medicine
Name two plants used in the production of ethanol.
Corn and switchgrass
Describe the cycle used by astronauts to produce oxygen on spacecrafts.
Algae are brought on board and exposed to sunlight. The algae absorb carbon dioxide from the astronauts and emit oxygen. When the algae have multiplied too much, it is fed to shrimp. The shrimp are then eaten by the astronauts.
Who founded the study of genetics?
Gregor Mendel
What did Gregor Mendel do for a living?
He was an Austrian monk
What plant did Mendel experiment on?
Pea Plants
How and to what extent have humans affected their natural environment?
Deforestation.
Pollutants in the air and water including underground water.
Draining of wetlands.
Loss of top soils.
Habitat loss for animals.
To what extent is animal life dependent on green organisms for its existence?
Oxygen.
Food.
Dyes.
Adhesives.
Medicines.
Clothing.
Shelter.
Fuel.
In terms of biological experiments, what are hypotheses and controls?
Hypothesis: an unproven explanation for something that has been observed.
Controls: an element that remains unaffected or uncontrolled by other variables.
Where are genes found mostly?
Nuclei of cells
What is the name of the key botanist that is credited with the present system of naming and classifying plants?
Carolus Linnaeus
Where was Carolus Linnaeus from?
Sweden
What was the name of the book that Carolus Linnaeus published in 1753?
Species Plantarum
