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dusya [7]
2 years ago
12

Do electric seals breath

Biology
1 answer:
astra-53 [7]2 years ago
8 0

Answer:

yea they breathe air.

Explanation:

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How do prokaryote, eukaryote and viruses differ?
gladu [14]
Prokaroyte have no nucleus. They are simple and small. Whereas eukaryotes are cells that have a nucleus, organelles and<span> a cytoskeleton.

Regarding viruses, they </span>are smaller than most bacterias, are <span>lack cell structure.

In short, viruses are smaller than  prokaryotes and a eukaryotes.

Hope this helps !

Photon</span>
4 0
3 years ago
In Drosophila, the autosomal recessive pr and cn mutations cause brown and bright-red eyes, respectively (wild-type flies have b
Nadusha1986 [10]

Answer:

Option B

Explanation:

Complete question is

The original mother resulted from a cross between two flies from true breeding lines.

What are the genotypes of these two lines? (Note that the chromosomes are NOT

indicated this time).

a) pr+ pr+ cn cn and pr pr cn+ cn+  

b) pr+ pr+ cn+ cn+ and pr pr cn cn  

c) pr+ pr+ cn cn and pr pr cn cn  

d) pr pr cn+ cn+ and pr+ pr+ cn cn  

e) either a) or d) could be true.

Solution

True breeding species will have the same  allele pairs for their characteristic traits.

It is given that mother of the progeny has arisen from two  true breeding lines

Thus,  both the parents must have same allele in the allele pair of their genotype

Also the female has wild type eyes, thus her genotype would be pr+cn/pr

Therefore the genotype of parents is

pr+ pr+ cn+ cn+ and pr pr cn cn

There by producing all offspring with genotype  pr pr + / cn cn+

Hence, option B is correct

6 0
3 years ago
Plants, algae, and certain microbes harness what kind of energy to produce their own nutrients using photosynthesis?
d1i1m1o1n [39]

Answer:

Light energy from the sun.

Explanation:

Algae, plants and some bacteria such as cyanobacteria uses light energy from the sun, carbon dioxide and water to make organic molecules (sugars) to produce energy for growth. The by-product of this process in plants is oxygen and water vapour, released using the stomata (tiny openings in leaves).

6 0
3 years ago
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A seed that is dispersed to an area far away from the parent plant will always face less
Stolb23 [73]
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Less <span>competition with the parent plants. by being dispersed further, they will face competition but not with their parent plants.</span>
6 0
3 years ago
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Identify the three kinds of neurons that are found in the nervous system
stealth61 [152]
Sensory,internueron and motor are the names. The nervous system<span> has </span>three<span> basic functions: sensory</span>neurons<span> receive information from the sensory.</span>
8 0
3 years ago
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