How are organisms grouped in an ecosystem? A. by their movement B. by how they get their energy C. by how they migrate D. by how they produce

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Organisms are grouped in an ecosystem by how they get their energy.

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Asked 5/6/2012 3:41:33 AM

Updated 1/26/2016 5:56:30 PM

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emdjay23

Organisms are grouped in an ecosystem by how they get their energy.

Added 1/26/2016 5:56:30 PM

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Confirmed by yumdrea [1/26/2016 6:21:40 PM]

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Which is an example of positive gravitropism? A. the plant shoot growing up out of the soil B. the plant flower opening with the sunrise C. the plant root growing down into the soil D. the plant turning towards the sun

Weegy: The plant root growing down into the soil is an example of positive gravitropism. ' target=_blank rel='nofollow'>www.biologie.uni-hamburg.de%2Fb-online%2Flibrary%2Fcat-removed%2Fu3aos23.html&ys=5b76eb9a7f3af0b949785809dd20c4940f86c51d] (More)

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Updated 11/4/2016 7:29:52 AM

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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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Updated 11/4/2016 7:26:39 AM

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Janet17

The liver is an example of an organ.

Added 11/4/2016 7:17:21 AM

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Janet17

An amoeba is not an animal because: it is unicellular.

Added 11/4/2016 7:24:55 AM

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Janet17

Collections of similar cells are called: tissues.

Added 11/4/2016 7:25:35 AM

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Janet17

Multicellular organisms have many cells. One other characteristic they must have before they can be called multicellular is: The cells must be specialized.

Added 11/4/2016 7:26:39 AM

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Antibodies are produced when the body is exposed to A. white blood cells. B. receptor proteins. C. antigens. D. macrophages.

Weegy: Antibodies are produced when the body is exposed to antigens. User: The body's most important nonspecific defense against pathogens is/are A. tears. B. mucus. C. saliva. D. skin. Weegy: The body's most important nonspecific defense against pathogens is skin. (More)

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Updated 4/2/2018 9:15:50 AM

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A group of organs that work together to perform a closely related function is called a(n) A. organ system. B. organism. C. tissue. D. cell. User: Which type of tissue is made of cells that contract and relax? A. nervous tissue B. epithelial tissue C. muscle tissue D. connective tissue

Weegy: Muscle tissue is made of cells that contract and relax. User: Which of the following tissue types is made of cells that can expand to cross the entire human body? A. nervous tissue B. epithelial tissue C. muscle tissue D. connective tissue User: Hemoglobin carries oxygen to the body's cells. Which system contains hemoglobin? A. nervous B. endocrine C. respiratory D. circulatory Weegy: The circulatory system contains hemoglobin. User: 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 (More)

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Updated 11/4/2016 7:11:18 AM

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Totoro

The excretory system consists of kidneys, ureters, urinary bladder.

Added 11/4/2016 6:44:34 AM

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Confirmed by Janet17 [11/4/2016 7:10:24 AM], Rated good by Janet17

Janet17

A group of organs that work together to perform a closely related function is called an organ system.

Added 11/4/2016 7:11:18 AM

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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 3/21/2014 2:36:55 AM

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jeifunk

Blood cells are made in circulatory system.

Added 3/21/2014 2:36:52 AM

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