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3 years ago

13

Why do insect-pollinated flowers have sticky/ spiky pollen

1 answer:

Anit [1.1K]3 years ago

3 0

Answer:

Insect-pollinated flowers have sticky or spiky pollen grains to that they stick to the insect bodies [ so that when an insects visits another flower, the pollen grain will easily land on the stigma allowing pollination and fertilisation to take place ].

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PLEASE HELPPPP Human blood types A and B show codominance. The alleles determine what kind of antigens are produced on the red b

Monica [59]

Answer:

Type B

Explanation:

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3 years ago

Confused if it was option b or c. Quick science q. Plz.

alexgriva [62]

B, if it ever went to zero they would be extinct and they repopulated over time so you know it got close but never hit zero

4 0

3 years ago

What is the evolutionary advantage of the Guinea worm?

NNADVOKAT [17]

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3 years ago

Cell Differentiation and Specialization

aalyn [17]

Answer:

cell

Explanation:

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8 0

3 years ago

Assume that the red blood cell counts of women are normally distributed with a mean of 4.577 million cells per microliter and a

postnew [5]

Answer: C. 82.26%

Explanation:

Given : The red blood cell counts of women are normally distributed with

$\mu=4.577\text{ million cells per microliter}$

$\sigma=0.382\text{ million cells per microliter}$

Let X be the random variable that represents the red blood cell counts of randomly selected woman.

Z-score : $z=\dfrac{X-\mu}{\sigma}$

For X=4.2

$z=\dfrac{4.2-4.577}{0.382}\approx-0.99$

For X=5.4

$z=\dfrac{5.4-4.577}{0.382}\approx2.1544$

Now, the probability that the women have red blood cell counts in the normal range from 4.2 to 5.4 million cells per microliter will be :-

$P(4.2$

Hence, 82.26% of women have red blood cell counts in the normal range from 4.2 to 5.4 million cells per microliter.

4 0

3 years ago