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valentinak56 [21]
3 years ago
6

How many and what are the processes that seed plants use to reproduce.

Biology
1 answer:
Luba_88 [7]3 years ago
5 0
Plants reproduce through the process of fertilisation. Fertilisation is the process where female and male cells join together to form an embryo inside the seed. The seed protects the embryo in preparation for germination when conditions permit the plant to produce new plants.

Seed plants are classified into two types to determine reproduction. First are the Angiosperms, this type of seed plant has flowers that have special structures for reproduction. Pollens are made by male cells, while ovules are made by female cells. Pollens are carried out through the process of pollination (e.g. wind blows, insects carrying pollen). Most angiosperms that don’t undergo pollination develop intro fruits. If it goes into pollination they become new flowering plants.
<span>
Second classification is the Gymnosperms, which are seed plants that are held in cones. Gymnosperms like Angiosperms also have male and female reproductive cells. Reproduction also occurs through pollination but most gymnosperms are trees. The best example of a gymnosperm are pine cones.  </span>
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How many copies of DNA are produced after PCR is completed?<br><br> one copy or billions of copies?
viva [34]

Answer:

Billions

Explanation:

"Then each of these strands can be used to create two new copies, and so on, and so on. The cycle of denaturing and synthesizing new DNA is repeated as many as 30 or 40 times, leading to more than one billion exact copies of the original DNA segment."

4 0
3 years ago
The excretory system helps the respiratory system by
Leto [7]

Answer:

The excretory system helps the respiratory system by removing carbon dioxide that is produced during respiration (third option).

Explanation:

The lungs are in charge of the breathing process, being the main organ of the respiratory system. Each lung is considered an excretory organ —belonging to the excretory system— since it is capable of eliminating the carbon dioxide (CO₂) produced by the metabolism during expiration.

As a result of the gaseous exchange, the oxygen entering the lungs through the inhaled air passes into the blood, while the CO₂ is removed from the blood. This CO₂ is removed during expiration, which makes the lungs part of the excretory system.

The other options are not correct because:

  • <em>The excretory system does </em><u><em>not introduce more oxygen into the lungs</em></u><em>. </em>
  • <em>The </em><u><em>circulation of blood in and out of the lungs</em></u><em> is a function of the circulatory system. </em>
  • <u><em>Urine is not produced by breathing</em></u><em>.</em>
6 0
2 years ago
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Based on Jill's observations, which conclusion could you draw?
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the warm water and abundant sunlight in the nertic zone limits the plankton population

7 0
2 years ago
Determine which type of property each statement describes by typing “physical” or “chemical” in the blank
lilavasa [31]

Answer:

physical

chemical

chemical

physical

Explanation:

5 0
3 years ago
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Which dance resulted from the development of a culture technique for muscle cells
Whitepunk [10]

Rhythm Salsa resulted from the development of a muscle cell culture technique.

<h3>How to do cell culture?</h3>

To obtain a cell culture, it is necessary to disaggregate the original tissue, which can be by mechanical force or enzymatic process. These cells are grown in an adherent layer in a single layer (monolayer) or in organoid format (3D culture) or in suspension.

With this information we can conclude that rhythm Salsa resulted from the development of a muscle cell culture technique.

Learn more about cell culture in brainly.com/question/1005896

#SPJ1

6 0
2 years ago
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