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Sergeeva-Olga [200]
3 years ago
11

Ihich of these is the best definition of

Biology
1 answer:
BigorU [14]3 years ago
4 0

Answer:

D) the sum of all physical properties of a substance

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Which factors improves soil fertility
lukranit [14]

Answer:

Mineral composition, Soil pH, and Soil Texture

Explanation:

6 0
2 years ago
Read 2 more answers
Atoms with a low electronegativity, like calcium, might bond with ____________.
TiliK225 [7]

The answer is A.The calcium atom must bond with an atom of high electronegativity (like fluorine) because the higher electronegativity atom will bully the low electronegativity atom and take away its electrons.

These are the choices:

A. an atom with a high electronegativity, like fluorine

B. another atom with a low electronegativity, like lithium

C. another atom that would like to share electrons

D. no other atoms because it's too weak to bond with anything


7 0
3 years ago
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A population is all the members of one species living in a particular
Dmitry [639]

Answer:

All the members of one species in a particular area are referred to as a population.

Explanation:

7 0
2 years ago
The pedigree below tracks the presence of dimples through a family's generation. Having dimples is an autosomal dominant trait.
yulyashka [42]

A pedigree is a representation of a family history tracking a trait. The graph shows the inheritance pattern of the trait and its expression through several generations.

<h3>What is an autosomal dominant trait?</h3>

The autosomal dominant trait is the characteristic that is coded by a gene located in an autosomal chromosome (this is, not a sexual chromosome).

This trait is dominant because it is coded by the dominant allele, meaning that the recessive allele codes for the absence of dimples. The presence of only one dominant allele in the genotype is enough for the idividual to express dimples.

<u>               Genotype                                  Phenotype     </u>

DD, Homozygous dominant                        Dimples

Dd, Heterozygous                                        Dimples

dd, Homozygous recessive                       No Dimples

<h3>What is a pedigree?</h3>

The pedigree is the representation of a family history conserning a certain trait. In this case, dimples.

The pedigree shows the expression -and inheritance pattern- of the trait through several generations.

To correctly interpret a pedigree, we need to know that

  • Family members

→ Individuals are represented with geometrical figures.

→ Males are squares

→ Females are circles

  • Trait/Phenotype

→ Healthy/normal/not affected  individuals are represented with empty figures

→ Affected/mutated individuals are represented with solid black figures

  • Generations

→ Each file is represented with a roman number, indicating the Generation.

Here we will assume that

  • Individuals represented with solid figures express dimples -shaded individuals-. They can be either DD or Dd. This is because dimples is not usuall.
  • Individuals with no dimples are represented with empty figures and are dd.

According to the provided pedigree,

I-1 ⇒ man DD or Dd

I-2 ⇒ woman dd

II-1 ⇒ man Dd or DD

II-2 ⇒ woman dd

II - 5 ⇒ woman dd

III - 1 ⇒ man Dd

III- 2 ⇒ woman dd

III - 6 ⇒ woman dd

Since this pedigree does not specify the relationship between individuals, I can not answer the question based on it. So, I will attach another tree to specify genotypes.

I advise you study this new example, and then follow the same reasoning to choose the correct individual according to you pedigree.

Yo can learn more about pedigrees at

brainly.com/question/19516649

#SPJ1

7 0
1 year ago
Why was the Euglena green in color? What is the name of the specialized body structure that is located at the base of the tail?
Leni [432]

Euglena is green in color because of the chlorophyll that is contained in the chloroplast of that organism and the body structure that is located at its base is known as flagellum .

Explanation:

Euglena are species that are found in the fresh and salt water. They are abundantly found in inland waters where they manage themselves to bloom in large amount and color the water surface of ditches and ponds green.

This green color which them form are mainly due to the chlorophyll that is contained in the chloroplast of the organism. chlorophyll is known to be the pigment that is responsible for the green color.It is the cause for the green color in this case too.

Euglena contains a specialized body structure which is located at the base of the tail by which it manages to move.

This specialized structure is known as Flagellum.

7 0
3 years ago
Read 2 more answers
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