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iragen [17]
3 years ago
5

What are reef producing coral called? What is the coral reef composed of? How are they created?

Biology
1 answer:
pantera1 [17]3 years ago
4 0

A coral reef is made of thin layers of calcium carbonate. Coral polyps form a living mat over a calcium carbonate skeleton. Stony corals (or scleractinians) are the corals primarily responsible for laying the foundations of, and building up, reef structures.

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Which organism would the researchers most likely predict to be the most distantly related to eukaryotes?.
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Organism I (circular chromosomes)

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I can eliminate organisms II, III, and IV because these organisms have linear chromosomes therefore making it the most closely related to eukaryotes because they consist of linear chromosomes. My only other choice would be organism I, and since it has circular chromosomes we can conclude that this is the most distantly related to eukaryotes.

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if you examined a cross section of a eudicot plant stem, in what order would you encounter different plant tissues from the pith
SSSSS [86.1K]

From the pith outward, if you looked at a cross-section of a eudicot plant stem, you would see Xylem, vascular, cambium, and phloem in that order. The vascular cylinder divides the ground tissue into two discrete areas and is structured in a ring in eudicot stems.

The pith refers to the area of ground tissue that is included within the vascular cylinder. In general, eudicots possess three or more of the following traits: There are 2, 4, or 5 flower parts, or multiples of 4 or 5, and leaves have netted venation (pinnate or palmate). A ring of stem vascular bundles surrounds the pith, and seeds have two seed leaves (cotyledons).

As a result, we can assert that if you cut a cross-section of a eudicot plant stem, Xylem, vascular, cambium, and phloem in that order, you will find various plant tissues from the pith outward.

LEARN MORE ABOUT PLANT STEMS HERE:

brainly.com/question/21591280

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