Question and answer
can i get other reasons
Multi-cellular organisms are too big and not all of their cells have contact with the external environment. All organisms need to exchange substances with their environment - take in needed molecules and get rid of waste. [ A uni-cellular organism can use the processes of osmosis, diffusion and active transport to transport substances in and out of the organism, which is in this case just one
cell. But as organisms increase in size, they need a specialized transport system to exchange substances between the internal environment and the external environment. Interestingly enough, osmosis and diffusion are still the important mechanisms at the cellular level. ]
Get an answer
Original conversation
User: what is the need for a transport system in multicellular organisms

User: can i get other reasons





Weegy: Multi-cellular organisms are too big and not all of their cells have contact with the external environment. All organisms need to exchange substances with their environment - take in needed molecules and get rid of waste. [ A uni-cellular organism can use the processes of osmosis, diffusion and active transport to transport substances in and out of the organism, which is in this case just one cell. But as organisms increase in size, they need a specialized transport system to exchange substances between the internal environment and the external environment. Interestingly enough, osmosis and diffusion are still the important mechanisms at the cellular level. ]
Expert answered|Ronald0906|Points 45|

Question
Asked 10/15/2012 6:30:42 PM
0 Answers/Comments
New answers
Rating

There are no new answers.

Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
19,685,779 questions answered
Popular Conversations
The phase change that is the reverse of sublimation is A. ...
Weegy: Boyle's law states that the volume of a gas is inversely proportional to its pressure if the temperature and the ...
2/26/2015 2:21:23 AM| 3 Answers
whats lush
Weegy: 1+1 = 2 User: whats in a heartbeat
2/26/2015 12:22:58 PM| 3 Answers
A ratio compares two numbers by division. True User: The ratio of ...
Weegy: When ratios are used in comparing units of measure, the units should be the same. User: In writing the ratio ...
2/26/2015 1:31:50 PM| 3 Answers
Comprehension The questions below refer to the selection “Digging.” ...
Weegy: B) miners User: Comprehension The questions below refer to the selection “Digging.” The father and ...
2/26/2015 6:39:22 AM| 2 Answers
Cephalopods dwell in ___. a. ponds b. oceans c. lakes d. rivers
Weegy: While you may not have heard of the term cephalopod, you have probably heard of at least a couple of the animals ...
2/26/2015 7:17:50 AM| 2 Answers
How can one receive fundamental rights? a. born a citizen c. ...
Weegy: who are you looking for? User: abolished national origins quotas Weegy: The Hart-Celler Act abolished the ...
2/26/2015 7:54:13 AM| 2 Answers
Nearly all plants can be reproduced asexually. True False
Weegy: Nearly all plants can be reproduced asexually. This is True. User: The petals of a flower have no ...
2/26/2015 8:32:20 AM| 2 Answers
Select each quadrilateral that has opposite angles ...
Weegy: The quadrilaterals that have two pairs of parallel sides are: parallelogram, rhombus, rectangle, square. ...
2/26/2015 9:49:05 AM| 2 Answers
Weegy Stuff
S
1
L
1
L
P
P
L
P
P
P
Points 1060 [Total 16842]| Ratings 0| Comments 1060| Invitations 0|Offline
S
L
P
L
P
P
Points 1047 [Total 7822]| Ratings 0| Comments 1047| Invitations 0|Offline
S
P
C
L
P
L
1
Points 621 [Total 7301]| Ratings 4| Comments 581| Invitations 0|Offline
S
Points 572 [Total 911]| Ratings 5| Comments 522| Invitations 0|Offline
S
1
L
L
Points 421 [Total 7487]| Ratings 1| Comments 411| Invitations 0|Offline
S
Points 201 [Total 346]| Ratings 1| Comments 191| Invitations 0|Offline
S
Points 149 [Total 169]| Ratings 0| Comments 149| Invitations 0|Offline
S
Points 85 [Total 85]| Ratings 0| Comments 85| Invitations 0|Offline
S
Points 47 [Total 47]| Ratings 0| Comments 37| Invitations 1|Offline
S
1
L
1
Points 31 [Total 3441]| Ratings 3| Comments 1| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2014 Purple Inc.