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Maru [420]
3 years ago
9

The surface are of a sphere can be approximated as follows

Biology
1 answer:
11Alexandr11 [23.1K]3 years ago
6 0
The surface area of a sphere can be approximated as follows: Surface area = 4πr2; where r is the radius of the sphere; π is a constant that is roughly equal to 3.
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What would happen to a cell if, during the splitting of chromosomes, two did not separate- and one cell got a double set and the
cestrela7 [59]

Answer:

Explanation:

The correct pairing of the homologous chromosomes and their correct segregation (a chromosome for each daughter cell) are key to the proper development of the new cells, and specially of the new individual if we are talking about the early stages of embryogenesis. If there is an error during the splitting of chromosomes, and one cell gets a double set and the other misses a chromosome, numerical chromosomal abnormalities occur. These numerical abnormalities can happen on autosomes or sexual chromosomes, and common examples are as Down Syndrome (trisomy 21), Patau Syndrome (trisomy 13), Turner Syndrome (45,X) and others. The number of the trisomy indicates the chromosome pair that suffered the adding or the subtraction of its chromosome.

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3 years ago
I NEED QUICK HELP 2. What do plants use the sun's energy to manufacture?
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Sweat glands, fur, and feathers are found on an endotherm.
balu736 [363]
<h3><u>Answer;</u></h3>

The above statement is <u>True</u>

Sweat glands, fur, and feathers are found on an endotherm.

<h3><u>Explanation;</u></h3>
  • An endotherm is an animal that can control its internal body temperature. Endotherms' body temperature is usually much warmer than the temperature of the environment and usually stays about the same temperature.
  • <em><u>Endoderms have adaptations that help them regulate their body temperature. For example; Sweat glands help keep endotherms cool. When an endotherm gets hot, the sweat evaporates and cools the animal's skin.</u></em>
  • <em><u>Fur and feathers are another adaptation to regulate body temperature. All these coverings helps to keep the animals warm.</u></em>
5 0
3 years ago
Why did the movement of plants to land lead to adaptive radiation?
spin [16.1K]

Answer: Adaptive radiation refers to the ability of living organisms to evolve rapidly from an ancestral forms into variety of other forms especially when the organisms move into a new environment that has abundant resources. The resources, which are present abundantly in the environment allow the living organisms to spread out in the environment and to find different habitats in the environments that favour their survival.In the question given above, adaptive radiation allows plants to fill different habitats (niches) that are found on land and to spread out rapidly.

Hope this helps :)  

8 0
3 years ago
Think about what you need to stay alive. Consider how this might apply to yeast. Why do you think sugar was added to the yeast-a
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In warm sugar water the yeast will grow and continue to feed on the sugar until it is all gone and as it does this it'll create waste products that are used both in beer and bread.

8 0
3 years ago
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