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emmasim [6.3K]
2 years ago
14

During weeks 17-20, quickening occurs, which is when the __________. a. fetus’ sense of hearing is developing at a rapid pace b.

mother can hear the fetus’ heartbeat with headphones c. fetus’ heart rate increases to 150 beats per minute d. mother is able to feel the fetus move inside her womb please select the best answer from the choices provided a b c d
Biology
1 answer:
ololo11 [35]2 years ago
4 0

During weeks 17-20, quickening occurs, which is when the (d)<u> mother is able to feel the fetus move inside her womb.</u>

The period during which a fetus develops inside a woman's womb or uterus is known as pregnancy, it typically lasts about 40 weeks or just over 9 months in humans.

During the course of pregnancy, the fetus develops from being a single cell to a complete individual.

Quickening is the movement of the baby inside the mother’s womb at around 16-20 weeks of pregnancy. It assures the health and growth of the baby inside the uterus. A fetus that is growing well stimulates more quickening movements.

Know more about quickening

brainly.com/question/13194750

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The evolutionary history for a group of species is called a
blsea [12.9K]

Answer:

The evolutionary history for a group of species is called a <u>phylogeny.</u>

Explanation:

Phylogeny is defined as the evolutionary history or evolutionary chronicle of the species, that is, it studies the relationship deals with the relationship between members of a group of species from the morphological, anatomical and embryological point of view. In this way, phylogeny explains the chronicle of each species, the different bifurcations, families and genetic structures, focusing on the evolution of the species in a global way.

4 0
3 years ago
In your own words, explain what happens in the water cycle
MrMuchimi

Answer:

First, rain will have to occur. The lake and surfaces will have water in them, after that it will a while for the surface to evaporate into water vapour, after that the water vapour will condense into water droplets and when the clouds are too heavy because of too much water droplets in them, it will start to rain again and this cycle will keep going on continuously.

8 0
3 years ago
Read 2 more answers
Sickle-cell disease is probably the result of which kind of mutation?
sergey [27]

Answer:

Point mutation is the correct answer.

Explanation:

Sickle cell disorder is a genetic disorder that is caused because of point mutation.

Due to point mutation protein lose their function which results in sickle cell disease.

The mutation in the Hemoglobin Subunit Beta gene in Sickle cell diseases affects the hemoglobin and the red blood cells molecules that transfer oxygen to the cells.

Sickle cell diseases can lead to stroke, organ damage,blindness, priapism,hypertension, acute chest problems.

7 0
2 years ago
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Bill has a perfect cube of an unknown substance. The density of the substance is 3.0 g/cm. He
Gwar [14]

The volume of the cube of unknown substance is 27\ cm^3. The length of one side of the cube is 9 cm

<u>Explanation:</u>

As per the formula of mass and density, Mass / Density equals to volume. Therefore as the mass of the cube was given to be 81 g and the density of the cube is known to be 3.0 g/\mathrm{cm}^{3},, to help Bill find out the volume. It is the ratio of mass and density and can be calculated as

      \text {volume}=\frac{\text {mass}}{\text {density}}=\frac{81 g}{3 g / \mathrm{cm}^{3}}=27 \mathrm{cm}^{3}

As it is a cube, the volume is product of length, breadth, and height. Here, all sides are same as it is the cube.

        volume= length \times breadth \times height

       27=3 l

      length of cube's one side, l=\frac{27}{3}=9 \mathrm{cm}

7 0
3 years ago
Nitrogen-fixing bacteria remove nitrogen from plants and return it to the soil. true or false?
Artemon [7]
The answer is:  [B]:  "False" . 
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6 0
2 years ago
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