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yanalaym [24]
3 years ago
15

Don and ellie are trying to conceive a baby. How long should they wait before they suspect infertility?

Biology
1 answer:
hammer [34]3 years ago
7 0

Answer:

They are to wait for at least one year.

Explanation:

Infertility maybe defined as trying to get pregnant without success despite having frequent sexual intercourse for a period of at least one year.

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What kind of evidence has recently made it necessary to assign the prokaryotes to either of two different domains, rather than a
Fittoniya [83]

Answer:

Molecular evidence

Explanation:

Carl Woese was the scientist who classified life in three domains which are bacteria, archaea, and eukarya. He used molecular evidence to classify prokaryotes into two different domains.

Carl Woese and his teammates compared the ribosomal sequence of several archebacteria with other prokaryotes and eukaryotes and found that the ribosomal sequence of archaea is more similar to eukaryotes than bacteria.

So he divided prokaryotes into two domains archaea and bacteria on this molecular evidence. So the right answer is molecular evidence.

3 0
3 years ago
The type of insects and the stage of the insect’s life can give some indication on how long a body has been dead. True False
Paha777 [63]
This Statement Is <u>True</u>
4 0
3 years ago
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4. Using the Celsius scale, at what temperature does water freeze? At what temperature does water boil?
sweet-ann [11.9K]

Answer:

Using celsius water freezes at 0, and water boils at 100.

Explanation: That is the purpose of the celsius scale to measure between those two points.

6 0
2 years ago
Ginamit sa bubungkal ng lupa sa paligid ng halaman? ano ang pangalan nito​
Dovator [93]

Answer:

dulos

Explanation:

Pwedeng gamiting panlipat ng lupa

3 0
3 years ago
Explain the distinct differences between a bacterium and an animal cell.
Vesnalui [34]
Bacteria cell has chromosomal and plasmid dna and is prokaryotic (without a nucleus). Animal cell is eukaryotic (with a nucleus).

Bacteria cell has cell wall and cell membrane, but animal cell only has cell membrane.

Bacteria cell has no mitochondria, animal cell does.

Bacteria cell has flagella, animal cell doesn’t.
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3 years ago
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