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What is the liver an example of? A. a cell B. a tissue C. an organ D. an organ system
Weegy: hi the answer is c=organ system is to organ User: Why is an amoeba not an animal? A. It is asexual. B. It is unicellular. C. It is prokaryotic. D. It is autotrophic. User: What are collections of similar cells called? A. clones B. tissues C. organs D. organisms Weegy: C. an organ User: Multicellular organisms have many cells. What is the one other characteristic they must have before they can be called multicellular? A. The cells must be small. B. They must be autotrophs. C. They must be heterotrophs. D. The cells must be specialized. Weegy: B. They must be autotrophs (More)
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Expert Answered
Asked 5/5/2012 3:20:00 PM
0 Answers/Comments
Multicellular organisms have many cells. What is the one other characteristic they must have before they can be called multicellular? A. The cells must be small. B. They must be autotrophs. C. They must be heterotrophs. D. The cells must be specialized.
Question
Not Answered
Updated 5/5/2012 4:08:35 PM
2 Answers/Comments
To be a multicellular organism, the cells must recognise each other and become specialised cells.
Added 5/5/2012 4:08:35 PM
The excretory system consists of which of the following organs? A. stomach, liver, pancreas B. lungs, nose, trachea C. kidneys, ureters, urinary bladder D. brain, spinal cord, sense organs
Question
Not Answered
Updated 126 days ago|6/26/2014 7:17:46 AM
1 Answer/Comment
The excretory system consists of the following organs: kidneys, ureters, urinary bladder.

Added 126 days ago|6/26/2014 7:17:46 AM
This answer has been confirmed as correct, not copied, and helpful.
Confirmed by jeifunk [6/26/2014 7:22:57 AM], Rated good by jeifunk
The circulatory, or cardiovascular system, is composed of A. heart, arteries and veins. B. lungs, heart and brain. C. heart, blood and blood vessels. D. lungs, blood vessels and heart.
Weegy: C. the heart, blood and blood vessels. The blood, heart, and blood vessels form the cardiovascular system. User: Blood cells are made in which system? A. skeletal system B. circulatory system C. muscular system D. nervous system Weegy: C. the heart, blood and blood vessels. The blood, heart, and blood vessels form the cardiovascular system. (More)
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Updated 223 days ago|3/21/2014 2:36:55 AM
1 Answer/Comment
Blood cells are made in circulatory system.
Added 223 days ago|3/21/2014 2:36:52 AM
This answer has been confirmed as correct, not copied, and helpful.
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