A variety of pear tree, known as Bradford, was

originally introduced into the eastern United

States in the 1960s. Today, this tree is crowding

out other plants in these states. This situation

best illustrates

(1) an unintentional negative effect of altering

an ecosystem

(2) how a foreign species is controlled in the

eastern United States

(3) that the introduction of a foreign species

does not affect food webs

(4) that serious environmental consequences

can be avoided by importing a foreign

species

Question

Trujillo

Biology

16 November, 11:52

A variety of pear tree, known as Bradford, was

originally introduced into the eastern United

States in the 1960s. Today, this tree is crowding

out other plants in these states. This situation

best illustrates

(1) an unintentional negative effect of altering

an ecosystem

(2) how a foreign species is controlled in the

eastern United States

(3) that the introduction of a foreign species

does not affect food webs

(4) that serious environmental consequences

can be avoided by importing a foreign

species

+3

Answers (1)

Know the Answer?

Dahlia Jacobson · Answer 1

The right answer for the question that is being asked and shown above is that: " (4) that serious environmental consequences can be avoided by importing a foreign species."Today, this tree is crowding out other plants in these states. This situation best illustrates that serious environmental consequences can be avoided by importing a foreign species