[SELECT ALL THAT APPLY]

Biology

2 answers:

ElenaW [278]3 years ago

8 0

Answer: animals entering a population

animals leaving a population

birth rate

death rate

Population growth rate can be defined as the change in the size of the population with respect to time. A negative growth rate means the size of the population is decreasing whereas, a positive growth rate means the size of the population is increasing. The factors which affect the growth rate are no of live births , no of deaths, immigration and emigration in a give time. Immigration refers to the arrival of new members from different location to the area or population under consideration. Emigration refers to the movement of the members of the population to other location.

wel3 years ago

3 0

Type of species, animals entering the population, animals leaving the population, birth rate, and death rate.

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How are carbon and oxygen cycles related

Nookie1986 [14]

They are related because they are all in the same blood or family you breathe in oxygen and remove carbon dioxide the carbon dioxide it helps other stuff in the ecosystem to survive or live so its like this people breathe oxygen while plants breathe carbon dioxide.

3 0

3 years ago

Does the distribution of bases in sea urchin DNA and salmon DNA follow Chargaff’s rules? a) Yes, because the %A approximately eq

MArishka [77]

Answer:

A. Yes, because the %A approximately equals the %T and the %G approximately equals the %C in both species.

Explanation:

According to Chargaff's rule, in all cellular DNAs, the number of adenosine residues (A) is equal to the number of thymidine residues (T). And the number of guanosine residues (G) is equal to the number of cytidine residues (C). Therefore, the sum of the purine residues equals the sum of the pyrimidine residues (A+ G= C+ T). It is based on the fact that a purine base always pairs with a pyrimidine base in a double helix DNA.

Chargaff’s rule is followed in all the double-helical DNA molecules irrespective of the species. In DNAs of sea urchin and salmon, the percentage of adenine is equal to that of the thymine and the percentage of guanine is equal to that of the cytosine. Therefore, Chargaff's rule is followed.

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3 years ago

Macromolecules that contain carbon , hydrogen and oxygen in a 1:2:1 ratio is called ?

UNO [17]

Answer/Explanation: Carbohydrates contain carbon, hydrogen and oxygen atoms with the ratio of hydrogen atoms to oxygen atoms in the ration of 2 hydrogen atoms to 1 oxygen atoms (2H : 10) such as in sucrose or table sugar C12H22011. It is Carbohydrates are a ready source of energy.

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2 years ago

A scientist is examining a pedigree that includes several generations of an organism with XX/XY chromosome sex determination. Wh

REY [17]

The patter of inheritance would support the hypothesis that the trait being studied is a recessive sex- linked trait found on the X chromosome "The trait is mostly expressed in males who have a maternal grandfather with the trait."

Explanation:

A pedigree chart is a illustration that displays the existence and arrival of phenotypes of a specific genetic factor or organism and its families from one group to the next, most usually individuals, show dogs, and race horses. A pedigree chart displays a family tree, and shows the members of the family who are affected by a genetic trait. This chart shows four generations of a family with four individuals who are affected by a form of colorblindness. Circles represent females and squares represent males.

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3 years ago

Where does the glucose that is released into the blood ultimately end up (2 places)?

laila [671]

Answer:

During that process, glucose is released. It goes into your intestines where it's absorbed. From there, it passes into your bloodstream. Once in the blood, insulin helps glucose get to your cells.

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3 years ago