Author Question: Although scientists think the actual number is considerably higher, there are at least ________ ... (Read 61 times)

Evvie72

  • Hero Member
  • *****
  • Posts: 519
Although scientists think the actual number is considerably higher, there are at least ________ known species of plants and animals on Earth.
 
  A) 1,500
  B) 15,000
  C) 15,000,000
  D) 1,500,000

Question 2

Animals or plants living on the sea bottom are ________.
 
  A) fish
  B) benthos
  C) nekton
  D) xerophytes
  E) part of the lithosphere


janeli

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

Answer: D

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library