The Importance of Trees Answers

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

oxygen

water vapor

ozone

none of the above

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Which best explains the relationship between flying dragons and trees?

Flying dragons rely on trees for a food source, but not for shelter.

Flying dragons live exclusively in trees except to lay eggs.

Flying dragons burrow into the tree without causing damage to the tree.

Flying dragons use trees for reproduction, but get their food and shelter on the ground.

In creating products from trees with modern technology, only half of the tree can be used. Please select the best answer from the choices provided

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

For some species of trees, insects are required for pollination.

Trees provide necessary shelter for a variety of insect species.

Insects have predatory relationships with trees, rather than mutually beneficial ones.

Insects can cause loss of tree productivity and even death.

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

The most common fiber used to make paper is _______.

cloth

wood

hemp

flax

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

deforestation

pollution

reduction

all of the above

Why are biopharmaceuticals in high demand?

Biopharmaceuticals are easier to produce in mass quantities than pharmaceuticals derived from animals.

Biopharmaceuticals do not require testing before use.

Biopharmaceuticals are expensive to produce but worth the benefits.

All of the above

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

Genetically engineered trees are not regulated.

Genetically engineered trees could have unexpected interactions with organisms of natural ecosystems.

Genetically engineered trees decrease the biodiversity of natural ecosystems.

All of the above

Mammals use trees for both food and shelter.

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