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Sergio [31]
3 years ago
8

What are 'pneumatopores' ?? how do they help the plant ? ? give an eg.

Biology
2 answers:
Mashcka [7]3 years ago
7 0
Pneumatopores specialized 'breathing' root developed in some plant species that grow in waterlogged or strongly compacted soils, e.g-mangroves. The aerial part of the root contains many pores, enabling gas exchanges with the atmostphere. Internally, a well developed system of incellular spaces allows gases to diffuse throughout the submerged portion of the roots
hoa [83]3 years ago
7 0
Neumatophores<span> are erect roots that are some form of upward appendage or extension of  the root system </span>can<span> obtain oxygen in an otherwise anaerobic substrate </span>They<span> also </span>help in aeration. eg <span>red mangrove,swampy plants</span>:
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What type of microscope bends light and uses multiple lenses to magnify a cell?
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With independent assortment, the ratio of genotypes in the F2 generation of a cross between true-breeding strains (AA bb x aa BB
MariettaO [177]

Answer:

c. Aa Bb

Explanation:

The parents were pure breeding with genotypes AAbb and aaBB. A cross between AAbb and aaBB would produce AaBb genotypes in F1 progeny. Two F1 strains would be crossed to produce F2 progeny. The F2 progeny would have the genotype ratio= 1:2:1:2:4:2:1:2:1.

Out of all the obtained genotypes in the F2 generation, the proportion of "AaBb" genotype was 4/16. Therefore, "4" in the given ratio represents the genotype "AaBb".

7 0
4 years ago
What does the process of gene duplication and divergence refer to? (select all that apply) A. creating new genes by mutation in
djyliett [7]

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B. the creation of gene families, which are genes that are similar across a range of organisms. C. offspring becoming increasingly different from their ancestors.

Explanation:

3 0
3 years ago
​Wendell can tell that the trees on the mountain are very far away, because rather than being able to see individual trees and t
vovikov84 [41]

Answer:

The correct answer is - texture gradient.

Explanation:

The texture gradient is a depth cue that is a distortion in comparison of size in objects that are farther or closer. In this cue, it looks denser as u move away from the object.

It is dependent on the sense of the depth perception as Wendell can easily tell that trees on the mountain are far from him as he only sees a dense green patch instead of trees individual trees and space in between in them.

Thus, the correct answer is option - texture gradient.

3 0
3 years ago
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