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mario62 [17]
3 years ago
14

Escriba 2 características de cada sucesión ecológica

Biology
1 answer:
dlinn [17]3 years ago
7 0

Answer:

En la sucesión primaria la roca recién formada o recién expuesta es colonizada por primera vez por seres vivos.

En la sucesión secundaria, un área anteriormente ocupada por seres vivos se ve alterada o afectada, y luego se vuelve a colonizar después de la perturbación.

Explanation:

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Ileocecal sphincter tone decreases (relaxes) after distention of which structure?
stepan [7]
Ileocecal sphincter tone decreases after distention of colon. This sphincter separates ileum and cecum and is under the control of vagus nerve. 
6 0
3 years ago
Which of the following sense organs responds to chemical stimuli?
natima [27]
The correct answer in this question is letter B. Taste buds that are located at the tongue recognize some dissolved chemicals from the food for taste perception. Examples are hydrogen ions giving off sour taste, carbohydrates for sweet taste, magnesium ions give off bitter taste, sodium ions for salty taste and monosodium glutamate for umami taste.
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3 years ago
Microarrays allow for a comparison of expression of different genes under different growth conditions. the analysis of global ge
Lady_Fox [76]

Question

Microarrays allow for

•a comparison of expression of different genes under different growth conditions.

• the analysis of global gene expression.

•the hybridization of cDNA (converted from mRNA with DNA affixed to a solid-state support.

• all of the above.

Answer:

• all of the above.

Explanation:

Microarray involves the collection and isolation of genetic samples (DNA) from a sample or tissue.

Microarray is composed of a large number of DNA material that is arrange sequentially for easy identification and use.

Microarray is used to compare the expressions of various types of genes that are growing under different conditions. It can also be used for analysis of genes globally.

5 0
3 years ago
what does it mean to have a high pH (which numbers), low pH? which is acidic? Which is basic? which has more H ions? which has l
Reptile [31]
0-7 is acidic then 7-14 is not acidic 7 is neutral H ions contains more the acids then bases have less H ions
A high Ph means it’s not acidic if it’s over 7
5 0
3 years ago
Which of the following is NOT true concerning conifers?
Andrew [12]

Answer: One thing that is NOT true that concerns conifers is <u>they have motile sperm. </u>

Explanation:

Conifers are a seed plant. They are usually trees that bear cones and they have vascular tissues. They are classified as gymnosperms. The living confers are all woody plants.

The trees that are conifers are;

  • Junipers
  • Cedars
  • Cypresses
  • Firs
  • Kauris
  • Redwoods
  • Spruces
  • Yews

The colors of these conifers vary and include colors such as rainbow, bronze, yellow, blue, and red.

3 0
3 years ago
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