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vaieri [72.5K]
3 years ago
8

Many kinds of roses have sharp thorns covering the stem of the plant. Thorns most likely perform which function?

Biology
1 answer:
mamaluj [8]3 years ago
3 0

C) Help with plant defense.

Many species are known to eat many plants, including flowers. To avoid being eaten, thorns in a rose bush help defend itself.

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The process that makes ethanol by converting in ADH into NAD+ to keep glycolysis running under anaerobic conditions is called___
trapecia [35]

Answer:

Krebs cycle is the answer

8 0
1 year ago
Robins typically lay four eggs. Four eggs allow the offspring to be well fed, whereas larger clutches may result in malnourished
Amanda [17]

Answer:

Stabilizing selection

Explanation:

The process of natural selection selects a species in one of the three ways: stabilizing selection, directional selection and disruptive selection.

During the process of stabilizing selection, nature does not favour the extreme phenotypes of the population but the intermediate phenotype with the maximum number of population.

In the given question, the Robin laid four eggs, neither more than four nor less than four which could have more disadvantages than the advantages.  Since the intermediate number of eggs is favoured by nature therefore the stabilizing pattern is observed.

Thus, Stabilizing selection is correct.

4 0
3 years ago
The Earth's water in all of its forms makes up the ————
Anuta_ua [19.1K]

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hydrosphere

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definition: the hydrosphere is the sum of earth's water, in the ocean, the ground, on the surface, and in the air.

7 0
2 years ago
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KengaRu [80]
Two types of organelles that produce energy
5 0
3 years ago
In the gram stain procedure the primary stain crystal violet function toA) stain only the thinner peptidoglycan cell wallsB) sta
Andre45 [30]

Answer:

B) stain only the thicker peptidoglycan cell walls

Explanation:

Gram staining is a technique which was developed by the Hans Christian Gram in 1884 to distinguish the bacterial strains. Based on the colour absorbed and retained by the bacteria, the bacteria are distinguished either as gram-positive or gram-negative.

He used a colour stain- crystal violet which is a positive dye and binds to the cell wall made of peptidoglycan. The crystal violet binds to the cell wall with the help of a mordant called iodine. If this dye retains inside and the cell appears purple then the cell is considered gram-positive else negative.

Thus, Option-B is correct.

3 0
2 years ago
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