Answer:
The correct answer is - C. The fetus develops hands and feet.
Explanation:
The fetus begins rhythmic breathing during the second trimester around 26 weeks. It is controlled by the CNS system of the fetus. The mother feels the fetus move around 16 and 24 weeks of pregnancy normally around the 20th week.
The fetus develops toenails, lips, and eyelashes between the 22nd and 26th week from ectoderm. During the initial 5 to 7 weeks hands and legs are started to form as buds and then develop fully.
Please help and please no links
Cells in the leaves of plants contain specialized structures called
chloroplasts. How are chloroplasts related to the function of the leaf cells?
A. Chloroplasts transport water and nutrients through the plant.
B. Photosynthesis occurs in chloroplasts.
C. Plant reproduction occurs in chloroplasts.
O
D. Chloroplasts absorb substances from the soil.
Answer:
B
Explanation:
Plants use photosynthesis from chloroplasts to make food
what are 3 things that plant cells and animal cells have in common?
Answer:
Nucleus, Mitochondria and ribosomes
Explanation:
The food manufactured by the photosynthetic process is ____.
A.starch
B.glucose
C.lipids
D.proteins
Al cruzar 2 moscas negras se obtiene una descendencia formada por 216 moscas negras y 72 oscuras blancas. A) Razone el cruzamiento y determine fenotipo y genotipo.
Answer:
Fenotipo: Moscas negras y moscas blancas.
Genotipo: Nn y nn.
Explanation:
Sabemos que al cruzar dos moscas un pequeño porcentaje de su descendencia es blanca y la mayoría negra. Por ende, hay dos alelos distintos para el color, uno codifica para moscas de color negro y el otro para las de color blanco. Como la mayoría de la descendencia es negra, el gen domiante es el negro, a este lo denominaremos con la N y al recesivo con la letra n.
Para que haya moscas blancas, las dos moscas que se cruzan tienen que ser Nn, es decir, su genotipo tiene que ser heterocigoto. Podemos verificar esto con un cuadro de Punnett:
║N ║n
N║NN║Nn
n║Nn ║nn
Con el cuadro de Punnet vemos que la descendencia tiene los genotipo, es decir, los genes que un ser tiene, Nn y nn. El fenotipo, es decir, lo que podemos ver de los genes, sera moscas de color negro y moscas de color blanco.
Como el gen dominante es el negro, cualquier mosca con este gen expresara este color y solo las moscas con genotipo h0m0cigoto (nn) expresaran el color blanco.
The subdivision of era is called ?
Answer:
In the time scale above you can see that the Phanerozoic is divided into three eras: Cenozoic, Mesozoic and Paleozoic. Very significant events in Earth's history are used to determine the boundaries of the eras. Eras are subdivided into periods
Explanation:
In simple dominance what is the result when a dominant allele pairs up with a recessive allele
a.) offspring display an intermediate form of the trait
b.)offspring display both forms of the trait
c.)the recessive form of the trait shows
d.)the dominant form of the trait shows
Answer:
D
Explanation:
(d) the dominant form of the trait shows, this is how simple dominance works.
(a) applies to incomplete dominance
(b) applies to codominance
(c) applies only when both alleles are recessive.
is this wrong?
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Answer:e takes place alveoli in the lungs and the capillaries that envelop them
Explanation:
Answer:
yes, your answer is right i guess. It looks right to me
RM.03H]Oil is an important source of energy which sustains modern human lifestyle. Roads, pipelines, mines and other structures must be built when drilling for oil. Which of these is the most likely effect of large scale infrastructural development associated with oil drilling in a location?
lack of oxygen gas
long periods of drought
disruption of animal habitats
decrease in atmospheric temperature
Answer: C
Explanation: Disruption of animal habitats
Where would you expect to find a mountain range caused by the collision of two continental plates on the map below?
Answer:
A
Explanation:
The Himalayas is formed by two plates collide each other
Think about a time when you had to alter a belief or understanding you held in your life. It doesn’t have to relate to science. What was that belief and what evidence caused you to alter it?
Have you had a drastic changes in belief or a small one before?
Answer:
I used to think that seasons were caused by Earth getting closer to and farther from the Sun. My science teacher pointed out that when it’s summer in North America, it’s winter in the Southern Hemisphere. So, I realized that seasons are not caused by Earth’s closeness to the Sun.
Explanation:
PLATO answer
answer plssssss i’m stuck
Answer:
i cant see it
Explanation:
b) Name one thing that would increase the carrying capacity of the moth ecosystem. (3 points)
Answer: Abrupt deaths of some moth populations
Explanation: I have the answer key
In which Colorado Rockies scenario was there more erosion? Why was there more erosion in the scenario?
There was more erosion in the Colorado Rockies scenario where there was steady rain compared to the scenario in the same area where there was only a drizzle. There is more erosion because the steady rain increased the volume of the river more than the drizzle did.
Part C What is the name of the chemical that is branched?
Answer:
Many alkanes are so-called branched alkanes.
Answer:
The name of the branched chemical is isopropyl cyanide.
Explanation:
Which type of selection occurs when a population experiences a shift in diversity toward the larger organisms?
stabilizing selection
directional selection
disruptive selection
adaptive selection
Answer:
Directional selection
Explanation:
When a population experiences a shift in diversity toward the larger organisms, it is directional selection.
What is directional selection?The term directional selection has to do with a type of selection in which the specie tend towards one side of the population mean.
Therefore, when a population experiences a shift in diversity toward the larger organisms, it is directional selection.
Learn more about directional selection:https://brainly.com/question/12226774
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Which is a function of the structure that is represented in the image?
Answer:
Thats the cell membrane, its lets things in and out of the cell for energy and whatnot
Explanation:
cellular respiration and that stuff
You discover a new protist species. It has chloroplasts and vacuoles and moves using a flagellum. How would you classify the way that it gets energy? Is it an autotroph, heterotroph, or both? Explain your answer
Answer:
Autotroph. Autotrophs include plants and some other creatures, vacuoles and chloroplasts are found in plants.
Explanation:
PLANTS! = Autotroph. I don´t even know anymore, it´s been 3 years since I took a basic science class, I am guessing from memory.
what are the difference between blood in the renal artery and blood in the urethra
Answer:
Renal Veins carry filtered blood from the kidneys to the posterior vena cava. Renal Arteries carry unfiltered blood from the aorta to the kidneys. The arteries are obscured by the renal veins in this image; they are dorsal to the renal veins.
How do fossils demonstrate evidence of evolution?
A. They show that ancient species share similarities with species now on Earth.
B. They show evidence of species that are now extinct.
C. They are the primary source of evidence of natural selection.
D. Fossils reveal that many species have remained unchanged for millions of years.
Answer:
A
Explanation:
A is the answer because it shows that evolutionary change over time
Which process occurs within the mitochondria?
Answer:
Krebs cycle
Explanation:
The Krebs cycle is a set of chemical events that all aerobic organisms employ to generate energy by converting acetate (which comes from carbs, lipids, and proteins) to carbon dioxide. There are various alternatives to the TCA cycle in theory, but it appears that the TCA cycle is the most efficient.
Answer: Mitochondria, using oxygen available within the cell convert chemical energy from food in the cell to energy in a form usable to the host cell. The process is called oxidative phosphorylation and it happens inside mitochondria. ... In heart muscle cells about 40% of the cytoplasmic space is taken up by mitochondria.
Explanation:
The process is called oxidative phosphorylation and it happens inside mitochondria. In the matrix of mitochondria the reactions known as the citric acid or Krebs cycle produce a chemical called NADH. NADH is then used by enzymes embedded in the mitochondrial inner membrane to generate adenosine triphosphate (ATP).
Hope it helps you
Do homologous structures always have the same function in different organisms?
Answer:
Homologous structures are structures that are similar in related organisms because they were inherited from a common ancestor. These structures may or may not have the same function in the descendants.
My answer uh might not be the one you're looking for or isn't correct ✌
Explanation:
series of choices between two characteristics that is used to identify organisms is called a
characteristic chart.
characteristic key.
dichotomous chart.
dichotomous key.
Answer:
Dichotomous key consist of series of choice associated with questions one after the other which helps in identifying an organism
Explanation:
Hope this helps :)
Answer:
Dichotomous key consist of series of choice associated with questions one after the other which helps in identifying an organism
Explanation:
Hope this helps :)
#totally did not copy and paste
1. What part of the body covers the windpipe when you swallow? diaphragm O bronchi O tongue O epiglottis
Answer:
diaphram or Bronchi
Explanation:
Answer:
epiglottis
Explanation:
I took the test
state 2 ways in which the lining of the bronchus of the smoker differs from that of the non-smoker
Please help will mark brainliest
Answer: B. white-eyed female
Explanation: Took biology
Answer:
B. White eyed female
Explanation:
The genotype consist of two recessive alleles (rr). When there are two recessive alleles the phenotype will be the recessive trait which in this case is white eyes
Choose the cells that are diploid. egg nerve bone sperm muscle
what is a sustainable resource?
The correct answer is D. An unmanaged resource that is limitless.
Explanation
Sustainable resources are those natural resources that can be used today without compromising the resources and possibilities of future generations. Sustainable resources are characterized for being limitless and not being produced by humans, that is, generated by nature, for example, solar energy, wind energy, hydraulic energy (from water), among others. Unlike non-renewable resources are those that have a limit, such as water, oil, natural gas, among others. Therefore, the correct answer is D. An unmanaged resource that is limitless.
Photosynthesis is a process that
A.green plants use to produce food.
B.animals use to breathe.
C.predators use to catch their prey.
D.illustrates symbiosis.
Answer:a
Explanation:
a
Answer:
A: Green plants use to produce food
Explanation:
Choice a is the correct answer.
What muscles and bone are adjacent to the deltoiddeltoid adjacent muscles bone
names for a male puppy ?
Answer: Cat
Explanation: