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4 years ago

PLz answer my scientific question

Biology

2 answers:

Kobotan [32]4 years ago

7 0

Answer:

I would have to say D but I might be wrong.

Explanation:

BigorU [14]4 years ago

5 0

Answer:

the independent variable is time.
the independent variable is time in the second graph because time is the only independent variable.

Explanation:

hope this will help :)

You might be interested in

[CM.04] List three reasons that fair weather predictions made by meteorologists are sometimes incorrect. Explain your response.

vlabodo [156]

1) Relying on computers and not going to the field. Sometimes a technical or software fault could lead to a wrong prediction. it could be a new forecaster who does not know the weather patterns and so follows the computer model instead of stepping outside and actually feeling the weather

2) The atmosphere always changes with natural disasters occurring such as pollutants in the air that make forecasting difficult.

3) Most of the times meteorologists base their forecasts on probability. Because of differences in the climate, those temperatures are not the same, so errors occur.

Hope this helps

8 0

4 years ago

In humans there is a dominant allele (A) for the absence of moles; while the recessive allele (a) results in the presence of mol

Art [367]

Answer:

a. $(p + q)^7$ = $p^7q^0+7p^6q+21p^5q^2+35p^4q^3+35p^3q^4+21p^2q^5+7pq^6+p^0q^7$

b. i. 0.75

ii. 0.000061

iii. 0.012

iv. 0.17

c. 0.67

Explanation:

a. The expansion of the binomial (p + q)7 would be such that:

$(p + q)^7$ = $p^7q^0+7p^6q+21p^5q^2+35p^4q^3+35p^3q^4+21p^2q^5+7pq^6+p^0q^7$

b. Both couples are heterozygous:

Aa x Aa

AA Aa Aa aa

Since A is dominant over a,

probability of having mole (aa) = 1/4

probability of not having moles = 3/4

Therefore, the probability of the first child not having moles = 3/4 or 0.75

ii. Let the probability of not having mole = p and the probability of having mole = q. From the binomial expansion:

$(p + q)^7$ = $p^7q^0+7p^6q+21p^5q^2+35p^4q^3+35p^3q^4+21p^2q^5+7pq^6+p^0q^7$

Probability that all of the children will have moles = $p^0q^7$

since p = 3/4 and q = 1/4

$p^0q^7$ = $(3/4)^0(1/4)^7$ = 0.000061

iii. Probability that the first two children will have no moles and the last five will have moles = $21p^2q5$

= $21(3/4)^2(1/4)^5$

= 0.012

iv. Probability that 4 will have no moles and 3 will have moles out of the 7 children = $35p^4q^3$

= $35(3/4)^4(1/4)^3$

= 0.17

c. Probability that the child born without moles is a carrier of the a-allele = probability of heterozygous.

From the cross in (b), the genotypes of those born without moles are AA and 2Aa. Therefore, the probability of not having moles and be Aa is:

= 2/3 or 0.67

8 0

3 years ago

How could meiosis result in a chromosome in a gamete that has parts of both chromosomes in a parent's pair of homologous chromos

kvv77 [185]

The sperm carries one chromosome of the homologous pair and the egg has also one otherchromosome homologous to the first. After fertilization, when the zygote is formed it has one chromosome from the sperm and one chromosome from the egg that was fertilized by the sperm.

7 0

3 years ago

The Sun's spectrum contains spectral lines from neutral sodium and calcium as well as ionized magnesium and iron. Of the choices

Maru [420]

The correct answer of the given question above would be the second option, option B. 5,800 K. The surface temperature of the Sun is 5,800 K since given above, the Sun's spectrum contains spectral lines from neutral sodium and calcium as well as ionized magnesium and iron. Hope this answer helps.

4 0

3 years ago

Explain how adaptive traits are important in our CONSTANGLY changing world

Oliga [24]

Answer:

It helps organisms survive.

Explanation:

To elaborate, adaptive traits and behavior is learned because of a necessity to survive.

A good example might be vaccinations and your immune system. Your body needs exposure to a pathogen to learn what it does, then adapts to fight off the pathogen. It adapts to survive.

In a constantly changing world, if you can't adapt, you simply won't survive long enough.

8 0

3 years ago