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vredina [299]
4 years ago
14

Which layer of Earth's atmosphere merges with the vacuum of space?

Biology
1 answer:
bixtya [17]4 years ago
3 0

Answer:

Option B. Exosphere.

Explanation:

Exosphere is the last layer of atmosphere which is present at the height 700 to 10000 km from earth surface. This layer is thin as compared to other layers of the atmosphere. The layer of exosphere is composed of two elements i. e. helium and hydrogen. The temperature of exosphere is 1700 degree Celsius at daytime and becomes cold at night.

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Explanation:

How widespread is asexual reproduction in planets an compared to animals which methods of asexual reproduction occur in both animals and plants

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3 years ago
Identify the domains. Check all that apply.
alina1380 [7]

Answer:

Eukaryota, Archaea, Bacteria

Explanation:

They are the largest taxonomic groups.

4 0
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In garden peas the allele for tall plants () is dominant over the allele for dwarf plants() A true breeding tall plant is bred w
marta [7]

Answer: This is called Monohybrid Experiment

Explanation: Monohybrid Cross

P Generation TT     *   tt

  Tall plants     Dwarf plants

F1 Generation  

T T

t Tt Tt

t Tt Tt

In F1 generation;

There are 100% Tt Genotype and 100% Tall plant Phenotype

F2 Generation

F1   *   F1

( Tt   *   Tt )

T t

T TT Tt

t Tt tt

In F2 Generation;

Genotype

There are 25% TT (homozygous dominant, tall plants).

50% Tt (heterozygous tall plants), and

25% tt (homozygous recessive dwarf plants).

This is how dwarf characteristics reappear in the second generation.

The Phenotype of F2 generation is 3:1  (Tall : Dwarf)

I have attached a document to this answer to facilitate effective understanding if there is anormalities in arrangement the Punnet Square.

Download docx
5 0
4 years ago
In 1850 there was a large snowshoe rabbit population in Manitoba, Canada. Over the years, the winter coloration (the color of th
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A big change in the colour of the fur in that there used to be a lot more white rabits  than grey rabbits and now the trend is reversed.
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Most food chains end with a top predator. Which of these is the BEST definition of a top predator?
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Answer:

Top predator is a predator at the top of a food chain without natural predators.

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