In the United States alone, more than 7 ________ introduced ...

[Pineappleeh]

In the United States alone, more than 7 ________ introduced species (not counting microorganisms) have been documented, of which about 15 cause ecological and economic damage
 
  A) hundred
  B) thousand
  C) million
  D) billion
  E) trillion

Question 2

Which of the following terms describes organisms living on the surface of the sea floor moving along the bottom?
 
  A) Benthonektos
  B) Epifauna
  C) Infauna
  D) Nektobenthos
  E) Planktofauna

[Edwyer]

Answer to Question 1

B

Answer to Question 2

B

[Pineappleeh]

Thanks for the timely response, appreciate it

[tanna.moeller]

TYSM