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Alexandra [31]
3 years ago
14

CAN SOMEONE PLEASEEEE HELP ME WITH THIS SCIENCE QUESTION THANK YOU !!!!​

Biology
2 answers:
DerKrebs [107]3 years ago
6 0

Answer:

B. Non living components of an ecosystem

Illusion [34]3 years ago
4 0

Answer:B

Explanation:Abiotic components look it up..

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Which of the following is NOT a major urine formation process?glomerular filtrationtubular reabsorptiontubular secretionmicturit
Leviafan [203]

Answer:

micturition

Explanation:

Micturition or urination is a function of urinary system and it refers to the discharge of urine from the bladder. But, this is not part of the urine formation process.

Micturition is a process under the control of  muscles of the bladder and sphincter muscles.

8 0
4 years ago
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Which events in the monthly female reproductive cycle occur simultaneously?
Anika [276]

Answer:

A. Menstruation and the estrogen surge

Explanation:

The events that occur simultaneously in the monthly female reproductive cycle are menstruation and estrogen increase.

The menstrual cycle lasts about 28 days and is controlled by the secretion of gonadotropins (FSH and LH), secreted by the pituitary, and estrogen and progesterone, produced by the ovaries. The first day of the cycle corresponds to the first day of menstruation. During menstruation, levels of sex hormones in the blood are low. By the sixth day, the pituitary again secretes a greater amount of follicle stimulating hormone (FSH).

Therefore, in this first phase of menstruation, the pituitary secretes the hormone FSH, which, as the name implies, will stimulate the development of ovarian follicles. In turn, the follicles produce estrogen, which stimulates the growth of cells in the uterine inner wall, the endometrium, which becomes thicker and well-vascularized. These are changes that prepare the uterus for the implantation of an embryo, ie a pregnancy.

The high concentration of estrogen in the blood stimulates the secretion of luteinizing hormone (LH). LH induces ovulation, which occurs around the 14th day of the cycle. Next, the LH induces the rupture of the ovarian follicle and the consequent release of the egg, besides leading to the development of the corpus luteum. The corpus luteum produces progesterone, which will assist in maintaining the endometrium until the end of the menstrual cycle.

8 0
4 years ago
What is one way a person can help reduce the level of carbon dioxide in the atmosphere?
AleksAgata [21]
Basically by planting more trees...
they'll use it for photosynthesis, nd give us Oxygen in return
6 0
4 years ago
A woman with normal vision has a son. The woman’s maternal grandfather is color-blind. What is the probability that the son is c
Reptile [31]

Answer:

= \frac{1}{4}

Explanation:

Given that the woman’s maternal grandfather is color-blind, then it is possible that the woman is a carrier of color-blind allele.

Then probability that the woman is a carrier of color-blind allele is = \frac{1}{2}  

So if a carrier woman cross with a normal man

Let say the gene of the carrier woman is: XX^c

and the normal man = XY

so if we have a cross between  XY and XX^c; we have:

                     X                     Y

X                   XX                 XY

X^c                 XX^c                 X^cY

we can see the offspring to be :

XX =normal unaffected female

XY = normal unaffected male

XX^c = carrier female for color-blind

X^cY = carrier male for color-bind

Then probability that of  inheriting defective allele = \frac{2}{4} = \frac{1}{2}

Let's not forget that the probability that the woman is a carrier of color-blind allele is = \frac{1}{2}  

∴  the probability that the son is colorblind = \frac{1}{2}*\frac{1}{2}

= \frac{1}{4}

3 0
3 years ago
Plants cannot release energy from glucose using...
Zinaida [17]
C is the answer to this question.
3 0
4 years ago
Read 2 more answers
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