AnswersIC Environmental Science - DeeringThe Importance of Trees

The Importance of Trees Answers

0 verified answers2 views
1
Free Preview

Which of the following is not released by trees into the atmosphere?

A
oxygen
B
water vapor
C
ozone
D
none of the above
2
Free Preview

Which of the following is the best reason that trees are important for overall air quality?

A
Trees help provide a balance in components of the atmosphere.
B
Trees create shade, cooling the air.
C
Trees release moisture into the air, cooling the environment.
D
Trees help maintain overall water quality.
3

Which best explains the relationship between flying dragons and trees?

A
Flying dragons rely on trees for a food source, but not for shelter.
B
Flying dragons live exclusively in trees except to lay eggs.
C
Flying dragons burrow into the tree without causing damage to the tree.
D
Flying dragons use trees for reproduction, but get their food and shelter on the ground.
4

Which of the following best explains how trees help conserve energy and reduce pollution in cities?

A
Trees shade buildings which reduces the use of energy derived from fossil fuels.
B
Trees remove carbon dioxide and add oxygen the atmosphere.
C
Trees filter particulates and polluting gases from the atmosphere.
D
All of the above
5

Why are biopharmaceuticals in high demand?

A
Biopharmaceuticals are easier to produce in mass quantities than pharmaceuticals derived from animals.
B
Biopharmaceuticals do not require testing before use.
C
Biopharmaceuticals are expensive to produce but worth the benefits.
D
All of the above
6

The most common fiber used to make paper is _______.

A
cloth
B
wood
C
hemp
D
flax
7

Which of the following is a way humans use trees?

A
paper
B
food
C
wood
D
all of the above
8

Mammals use trees for both food and shelter.

A
T
B
F
9

Which of the following is a way that trees have been negatively impacted by human use?

A
deforestation
B
pollution
C
reduction
D
all of the above
10

Which of the following is not a way in which trees benefit the environment?

A
They remove a significant amount of carbon dioxide from the atmosphere.
B
They remove a significant amount of oxygen from the atmosphere.
C
Their roots hold soil in place, reducing rates of erosion.
D
They remove ozone and particulates from the atmosphere.
11

Mycorrhizal fungi are _______.

A
mutualistic root-dwelling fungi that help plants obtain more water and nutrients.
B
mutualistic leaf-dwelling fungi that obtain sugar from plant leaves
C
parasitic leaf-dwelling fungi that strangle plants
D
epiphytic plants living on plant stems and leaves
12

Trees are important in maintaining air quality, because they act like a filter, drawing particles from the air.

A
T
B
F
13

Why are environmentalists concerned about the introduction of genetically engineered trees?

A
Genetically engineered trees are not regulated.
B
Genetically engineered trees could have unexpected interactions with organisms of natural ecosystems.
C
Genetically engineered trees decrease the biodiversity of natural ecosystems.
D
All of the above
14

Which of the following statements about the interactions between insects and trees is not true?

A
For some species of trees, insects are required for pollination.
B
Trees provide necessary shelter for a variety of insect species.
C
Insects have predatory relationships with trees, rather than mutually beneficial ones.
D
Insects can cause loss of tree productivity and even death.
15

Which of the following organisms is the most harmful to the tree it grows on?

A
strangler fig
B
orchid
C
Spanish moss
D
none of the above
16

The fruit of trees is the only part that is used by humans for food.

A
T
B
F

Did you find these answers helpful?

More from this Course

Quiz
17 verified answers

The Importance of Trees

Quiz
17 verified answers

Soil and Agriculture

Quiz
17 verified answers

Nonnative Species In Aquatic Ecosystems