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miss Akunina [59]
3 years ago
12

Can someone explain this passage to me please

Biology
1 answer:
Rainbow [258]3 years ago
8 0

Answer:

Below

Explanation:

Grain germinates in the pollen.

After the pollination, Germinates grain goes off the carpel and grows.

After it is quite grew, it moves down to the ovary.

The pollen tube breaks into the ovule and bursts into the embryo sac.

I hope this helps you :)

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Hi! If you could help me with these biology questions that would be greatly appreciated!!!
Gre4nikov [31]

Answer:

1. C. Ecosystem

Explanation:

An ecosystem consist of living and nonliving things

8 0
3 years ago
What controls the rate of chemical reactions in the cytoplasm
Mekhanik [1.2K]
The answer is "lipids"
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4 0
3 years ago
During the initial development stages of cleavage, what are the individual cells called?
larisa [96]

Answer:

The correct answer is option 3, that is, blastomeres.

Explanation:

A kind of cell formed by cleavage of the zygote post-fertilization is called a blastomere, it is an important constituent of blastula formation. The formation of blastomere starts instantaneously post-fertilization and is carried through the initial week of the development of embryo. The division of zygote after fertilization is regarded as the first mitotic outcome of the fertilized oocyte. These mitotic divisions take place spontaneously and lead to a grouping of cells known as blastomeres.

6 0
3 years ago
Is a heat pack safe for period pain ?
OLga [1]

Answer:

I hope this hepls :)

Explanation:

Heat therapy is said to work because of its analgesic properties or its ability to bring blood to the area which can penetrate deep into the muscular tissue. However, heat therapy is also said to work because it is comforting on a psychological level. According to Lorimer Moseley “to reduce pain, we need to reduce credible evidence of danger & increase credible evidence of safety” and applying heat makes us feel safe. Why? Because the cold kills!  

Despite this, there is little evidence to show that it helps alleviate pain at certain trigger points  (small patches of acutely sensitive soft tissue) in the body and there is less evidence to show that it works for period pain. One study has claimed that heat can work for period pain however the researchers failed to differentiate if their exercise programme or the psychological effect of feeling warm eased their pain. This kind of testing means that other variables influence participants’ perception of pain and we can’t be certain if the heat therapy actually helped. What we do know is there are certainly drawbacks to this kind of treatment.

8 0
2 years ago
As a fresher what is the first topic of intergrated sciences​
uranmaximum [27]
Congratulations on getting into an iSci program!
It really depends on your school though, but you’ll most likely go through lab safety and fundamentals of theory depending on the course
6 0
3 years ago
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