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vichka [17]
2 years ago
7

Asexual reproduction __________. View Available Hint(s)for Part A produces offspring genetically identical to the parent require

s both meiosis and mitosis leads to a loss of genetic material is limited to plants is limited to single-cell organisms
Biology
1 answer:
dolphi86 [110]2 years ago
3 0

Answer:

produces offspring genetically identical to the parent

Explanation:

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In pea plants, purple flowers are dominant over white flowers. The phenotype ratio of purple to white flowers in a population of
irina [24]
One flower is white, even though it does not come out evenly. When you do the math, the number is not large enough to be rounded to 2.
4 0
3 years ago
What was the Cretaceous tertiary extinction attributed to what major events that triggered the extinction of dinosaurs
vfiekz [6]

Cretaceous extinction also known as Paleogene extinction was a period of time when suddenly around three quarter of the animal and plant species began to get extinct from the land. The event happened around 66 million years ago and is considered as the end of cretaceous era that lead to the beginning of Mesozoic era.

Reasons for the mass extinction:

  • Scientists think that a major asteroid or comet hit the surface of earth which deteriorated the earth’s environment, especially by making it difficult for plants to perform the process of photosysnthesis. This is called as Impact hypothesis and scientists think that it was the reason of extinction of so many species because they found debris of asteroid in the land.
  • There could also be some other reasons like climate changes,volcanic eruptions and changes in the sea level which made the environment unfavorable for the survival of living organisms.
  • One of the best known organism that is thought to extinct in cretaceous period was dinosaur.

Extinction of Dinosaurs:

As stated above the exact cause of dinosaur extinction can not be stated with confidence. This is because cretaceous period was the time when so many unfavorable circumstances took place like diseases,  geologic events ,climate change etc.

However, the most believed theory is that some Asteroid hit the surface of earth and turned the climate very very old. Therefore, those amazing creatures were not able to survive that climate.


Hope it help!


7 0
3 years ago
A certain lake has a volume of about 480 m³. If the total population of freshwater shrimp in the lake is 600 million, what is th
emmainna [20.7K]

Answer:

1,250,000 shrimps per m³

Explanation:

Population density refers to how dense an area is per unit area/volume, and it is calculated by dividing the number of individuals in that area (population) by the area/volume of that area. That is;

Population density = population (N)/volume

According to this question, a certain lake has a volume of about 480 m³ that harbors a 600 million of freshwater shrimp. This means that;

Population density of the lake = population of shrimps ÷ volume of lake

Population density = 600,000,000 ÷ 480

Population density = 1,250,000 shrimps per m³

5 0
3 years ago
PLEASE HELP <br> here is my question
BaLLatris [955]
B
Now lol I have an A+ in that class
5 0
2 years ago
Read 2 more answers
How will the change in pH impact the functioning of cells? (Hint: Explain which biomolecules and what types of bonds in these bi
Effectus [21]

Answer:

A change in pH will cause many cellular processes to be disrupted because they affect the biomolecules (protein and nucleic acid) responsible for these processes.

Explanation:

pH refers to the degree of acidity or alkalinity. In a cell, the structures and processes that occur in them are impossible without the biomolecules, which are carbohydrate, protein, lipids and protein.

However, unfavorable conditions like a change in pH can cause the structure of some of these biomolecules to be affected. Proteins are made up of amino acids, which gives them their shape that is peculiar to their functioning. Also, nucleic acids such as DNA are composed of nucleotides responsible for their functioning.

A change in pH will cause the bonds of the protein to be disrupted, hence altering its shape and ultimately its functioning. Likewise, the hydrogen bonds in the DNA will be broken in the presence of a high pH causing the DNA to be dysfunctional.

When these biomolecules are affected, the vital functions that they perform in a cell, which is key to the cell's survival are disrupted) are likewise affected. Therefore, the cell is affected negatively.

8 0
3 years ago
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