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serg [7]
3 years ago
12

In some flowers, male and female reproductive parts develop at different times, whereas in other flowers they develop at the sam

e time. Which is the case with the flower presented in the video?
Biology
1 answer:
stich3 [128]3 years ago
5 0

Answer:

In some flowers, male and female reproductive parts develop and mature at different times which causes cross pollination, whereas in other flowers they develop at the same time so mostly self pollination occurs.

Explanation:

Dichogamous are those flowers in which the male and female reproductive parts develop and mature at different times so the stamen is not fertilized his own carpel which prevents self pollination and causes cross pollination whereas in some flowers both male and female reproductive parts develop at the same time so the stamen fertilized his own stigma and causes self pollination occurs.

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which term describes a plant or animal that lives on or within another living organism at the expense of that organism?
zubka84 [21]

Answer:

parasitism,

Explanation:

parasitism, relationship between two species of plants or animals in which one benefits at the expense of the other, sometimes without killing the host organism.

4 0
3 years ago
(Fill in the blank)
prisoha [69]

Answer:

Capsule

Explanation:

In many bacterial species, an extracellular layer composed of a polysaccharide especially a monosaccharide is produced around the cell wall of the bacteria. This extracellular layer is known as the slime layer or the capsule.

The capsule in bacteria serves many purposes like it protects the bacteria from the destruction by the white blood cell in the host, it enables the bacteria to adhere to the substrates and protect it.

In the plant group called the bryophytes also a capsule structure is present which grows in the sporophytic phase and encloses the spores, therefore, the capsule is considered the sporangium of the bryophytes.

Thus, the capsule is correct.

7 0
3 years ago
Synonym of genotype and definition
Lina20 [59]

"genotype (n.) the particular alleles at specified loci present in an organism. Synonyms: constitution. makeup." Hope this helps


7 0
4 years ago
Prader-Willi syndrome is a genetic disorder involving a partial deletion of chromosome 15q on the paternal chromosome. When both
Kay [80]

Answer:

genomic imprinting

Explanation:

Genomic imprinting is a mechanism for regulating gene expression that allows expression of only one of the parental alleles, although both alleles are functional. Unlike most genes in which expression is biallelic, genes that are subjected to this mechanism (imprinted genes) have monoalelic expression; By definition, in an imprinted loci, only one allele is active (maternal or paternal), and the inactive is epigenetically marked by histonic modification and / or methylation of cytosines.

Genomic imprinting can cause some disturbances, among them Prader-Willi syndrome, which is a genetic disorder that involves a partial deletion of chromosome 15q on the paternal chromosome.

3 0
3 years ago
Why do irish potatoes become sweeter when boiled​
Nezavi [6.7K]

Explanation:

The vitamin C loss in Irish and sweet potatoes could be due to the effect of heating as well as leaching into the boiling water.

5 0
3 years ago
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