Chapter 1

Question 1

How much percentage of the earth’s biomass do plants make up?

Answer 1

98%

Question 2

What is the backbone of all life on earth?

Answer 2

Carbon

Question 3

If all green organisms on earth were killed, how long would animals live?

Answer 3

11 years (estimated)

Question 4

How much of the earth’s surface is covered by tropical rainforests?

Answer 4

6%

Question 5

What percentage of all the species of living organisms are the rainforests home to?

Answer 5

50%

Question 6

How many species are estimated to be destroyed every day due to rainforest deforestation?

Answer 6

137

Question 7

What percentage of the world’s food do plants provide?

Answer 7

90%

Question 8

Some opium is derived from the capsules of what flower?

Answer 8

Opium Poppy

Question 9

Where are carnivorous plants usually found?

Answer 9

Bogs

Question 10

Why are carnivorous plants usually found in bogs?

Answer 10

Nutrients such as minerals are hard to find in that environment

Question 11

The results of any experiment designed to test the hypothesis must have what two qualifications?

Answer 11

1. Must be repeatable
2. Must be capable of being duplicated by others

Question 12

List 4 things that carnivorous plants can eat.

Answer 12

Insects, Frogs, Rodents, and Birds

Question 13

What do animals provide for carnivorous plants?

Answer 13

Important nutrients

Question 14

What do animals not provide to carnivorous plants?

Answer 14

Calories

Question 15

How tall can California Redwoods and Sequoia trees grow?

Answer 15

Over 300 ft

Question 16

List 6 things that plants provide for humans.

Answer 16

1. Food
2. Animal feed
3. Shelter
4. Clothing
5. Industrial products
6. Medicine

Question 17

Name two plants used in the production of ethanol.

Answer 17

Corn and switchgrass

Question 18

Describe the cycle used by astronauts to produce oxygen on spacecrafts.

Answer 18

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.

Question 19

Who founded the study of genetics?

Answer 19

Gregor Mendel

Question 20

What did Gregor Mendel do for a living?

Answer 20

He was an Austrian monk

Question 21

What plant did Mendel experiment on?

Answer 21

Pea Plants

Question 22

How and to what extent have humans affected their natural environment?

Answer 22

Deforestation.
Pollutants in the air and water including underground water.
Draining of wetlands.
Loss of top soils.
Habitat loss for animals.

Question 23

To what extent is animal life dependent on green organisms for its existence?

Answer 23

Oxygen.
Food.
Dyes.
Adhesives.
Medicines.
Clothing.
Shelter.
Fuel.

Question 24

In terms of biological experiments, what are hypotheses and controls?

Answer 24

Hypothesis: an unproven explanation for something that has been observed.

Controls: an element that remains unaffected or uncontrolled by other variables.

Question 25

Where are genes found mostly?

Answer 25

Nuclei of cells

Question 26

What is the name of the key botanist that is credited with the present system of naming and classifying plants?

Answer 26

Carolus Linnaeus

Question 27

Where was Carolus Linnaeus from?

Answer 27

Sweden

Question 28

What was the name of the book that Carolus Linnaeus published in 1753?

Answer 28

Species Plantarum