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hram777 [196]
3 years ago
11

Who discovered that white light is a spectrum of colours rays​

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

Answer:

Isaac Newton

Explanation:

Isaac Newton discovered that white light is a spectrum of seven colour rays.

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Which word identifies a large natural or human-made lake used to supply water?
Volgvan
Reservoir the answer is a reservoir
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3 years ago
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To change behavior or actions in response to outside conditions 4 Letters. What is the word?
kotykmax [81]

Answer:

The four-letter word which speaks to the ability of an organism to modify its behavior or actions to external stimuli is <u>Move.</u>

Explanation:

Movement gives organisms the ability to move away from or towards an external stimulus depending on whether it is a detrimental stimulus or a favourable one.

Examples of stimuli are:

  1. Light: All organisms respond to the presence of light. Some stay away from it and remain at sleep until the sun goes down. They are called nocturnal. Others gravitate towards it. Plants always grow towards light.
  2. Temperature: Some organisms favour cold environments, other the temperate parts of the earth
  3. Sound: The sound of a carnivorous animal such as the lion will put a deer to flight. The sound of a mother hen calling out to her chicks will attract them to her.

Cheers

6 0
3 years ago
What is a mickro seel
kipiarov [429]

Answer:

MICRO SEEL chemically altered bitumen. MICRO SEEL is a chemically altered bitumen that provides wellbore stability and minimizes fluid loss.

Explanation:

3 0
2 years ago
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g Two closely related species of plant (A and B) hybridize to form a new species (C). Species A is diploid and has 8 chromosomes
Aleks04 [339]

Answer:

allopolyploidy

Explanation:

Polyploidy is the condition by which a cell might have more than two chromosome sets that form homologous pairs. It might occur due to a failure or abnormality in cell division.  

Autopolyploidy

Refer to a type of polyploidy in which an organism has more than two copies of homologous chromosomes. It results from the duplication of a group of chromosomes of the same species. Autopolyploid individuals have <u>at least three groups of homologous chromosomes</u>. Autopolyploidy is produced by the<u> gamete fusion of the same progenitor - same species</u>-, duplicating the number of chromosomes of diploid species. The autopolyploid cell has groups of homologous chromosomes. Autopolyploidy is produced mainly due to non-disjunction during meiosis.

Allopolyploidy

Refer to another type of polyploidy in which species have more than three sets of chromosomes in their cells. Allopolyploidy <u>occurs when two different species mate</u>, leading to the fusion of gametes that belong to different species and produce a new hybrid. The chromosomic complement has more than two copies of chromosomes. The hybrid is infertile with the parental species. The allopolyploid cells have chromosome groups that are not homologous.  

In the exposed example two different species mate and produce a hybrid species.

8 0
2 years ago
Meiosis II must take place because each of our new cells still has too much _________.
neonofarm [45]
Meiosis ll must take place because each of our new cells still has too much DNA.

(Hope this helps!!)
6 0
3 years ago
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