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19. A complex of interconnected food chains in an ecosystem is called a/an A. ecological pyramid. B. food web. C. ecosystem. D. trophic stack.
A complex of interconnected food chains in an ecosystem is called a food web.
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Asked 3/21/2016 10:35:11 AM
Updated 4/3/2016 11:56:46 PM
1 Answer/Comment
Flagged by jerry06 [4/3/2016 11:53:04 PM], Unflagged by yumdrea [4/3/2016 11:56:44 PM], Edited by yumdrea [4/3/2016 11:56:46 PM]
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A complex of interconnected food chains in an ecosystem is called a food web.
Added 4/3/2016 11:53:03 PM
This answer has been confirmed as correct and helpful.
Confirmed by yumdrea [4/3/2016 11:56:47 PM]
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11. Which of the following processes occurs during meiosis and not mitosis? A. Crossing-over B. Cytokinesis C. Crossing-under D. Cytogenesis
Weegy: Crossing-over occurs during meiosis and not mitosis. (More)
Question
Updated 248 days ago|7/15/2018 5:37:31 PM
0 Answers/Comments
13. _______ have the potential to develop and specialize into any cell type, which means they're A. embryonic stem cells; multipotent. B. adult stem cells; totipotent. C. embryonic stem cells; totipotent. D. adult stem cells; multipotent.
Weegy: mulipotent (More)
Question
Updated 6/30/2016 7:03:49 AM
1 Answer/Comment
Embryonic stem cells have the potential to develop and specialize into any cell type, which means they are totipotent.
Added 6/30/2016 7:03:49 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [6/30/2016 11:02:15 AM]
14. Crossing-over involves the exchange of genetic information between A. homologues. B. sex chromosomes. C. sister chromatids. D. chromatids.
Question
Not Answered
Updated 3/27/2016 2:05:51 PM
1 Answer/Comment
Crossing-over involves the exchange of genetic information between homologues.
Added 3/27/2016 2:05:51 PM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [3/27/2016 9:27:11 PM]
20. If a piece of DNA breaks off from a chromosome and attaches itself to a nonhomologous chromosome at another location, what type of change has occurred? A. Translocation B. Deletion C. Duplication D. Inversion
Weegy: If a piece of DNA breaks off from a chromosome and attaches itself to a nonhomologous chromosome at another location, TRANSLOCATION has occurred. (More)
Question
Updated 3/21/2016 10:54:45 AM
0 Answers/Comments
10. _______ is/are the raw material of evolutionary change. A. Assortative mating B. Genetic drift C. Nonrandom mating D. Mutations
Weegy: Mutations are the raw material of evolutionary change. (More)
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Updated 3/21/2016 10:17:32 AM
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