« previous next »

Author Question: Which of the following is the smallest closed system? A) a cell B) an organism C (Read 673 times)

Hawke

  • Hero Member
  • *****
  • Posts: 679
on: Jun 10, 2013
Which of the following is the smallest closed system?
A) a cell
B) an organism
C) an ecosystem
D) Earth
E) the universe


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jun 11, 2013
It's most likely E. It makes sense given what's in the textbook.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Hawke

  • Hero Member
  • *****
  • Posts: 679
Reply #2 on: Jun 12, 2013
Thanks, and your suggestion was right.


« previous next »
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

An electron micrograph of an E. coli cell An electron micrograph of an E. coli cell
Cancer cell. Cancer cell.
Frequency coding in the nervous system: Threshold stimulus. Frequency coding in the nervous system: Threshold stimulus.
The Major Divisions of the Peripheral Nervous System The Major Divisions of the Peripheral Nervous System
Disorders of the Cardiovascular System Cont. Disorders of the Cardiovascular System Cont.
Disorders of the Respiratory System Cont Disorders of the Respiratory System Cont
Video: Proteins

For a complete list of videos, visit our video library