Successful breeding is limited to the gametes of the same created “kinds” of organisms.true or false

Biology

2 answers:

elena-s [515]3 years ago

8 0

Pretty sure its false, will get back to you c:

Lana71 [14]3 years ago

3 0

The right answer is True.

The experiments nevertheless showed that fertilization between two different species was not possible, because of the specificity of the carbohydrate moiety ZP3 glycoprotein (specific for a given species, the protein part being very conserved during the evolution) involved in the fertilization process. This specific recognition mechanism is especially useful for animals with external fertilization, as some fish or amphibians: the female lays her eggs in the middle, and the male comes to deposit his sperm.

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Which element would you expect to have a full valence shell?

kipiarov [429]

Answer;

-Noble gases or Group 18 elements

Explanation;

A full valence shell is the most stable electron configuration. Group 18 elements or noble gases such as helium, neon, and argon, have a full outer, or valence, shell. Elements in other groups have partially-filled valence shells and gain or lose electrons to achieve a stable electron configuration.

They are extremely unreactive and do not form bonds with themselves. Solid helium is the the ultimate fine powder being monotomic.

3 0

3 years ago

Paramecium was found to occupy 20% of the FOV of a microscope at 40X magnification power. How many paramecium can be accommodate

lana [24]

5 Paramecium could be accommodated in this FOV.

Explanation:

FOV refers to the field of view of the microscope.

It is the maximum length or area of specimen you can observe in a single view.

If a single paramecium occupies 20 % of the Entire FOV.

Then the number of paramecium that will be accomodate 100% of FOV will be given by ,

$\frac{100}{20} = 5$ Paramecium.