The number of sperm cells that form from a primary spermatocyte is.

Answers

Answer 1

Answer:

four spermatozoa

Explanation:

The primary spermatocyte undergoes a series of meiosis I and II to form four spermatids. The spermatids go under a differentiation process to form 4 spermatozoa :))


Related Questions

The cerebellar hemispheres are separated by a band of cortex called the.

Answers

Answer:

A fissure or groove that separates the two hemispheres is called the great longitudinal fissure. The two sides of the brain are joined at the bottom by the corpus callosum. The corpus callosum connects the two halves of the brain and delivers messages from one half of the brain to the other.

The transfer of energy that does not require matter is.

Answers

the answer is Radiation

2. How does the genetic code in the DNA get passed on to the
mRNA?


Answers

The double helix of DNA unwinds and an enzyme, RNA polymerase, builds the mRNA using the DNA as a template.

In which cerebral lobes is the speech center located?
a) frontal
b) parietal
c) temporal
d) occipital

Answers

Answer:

A.

Explanation:

The correct answer is frontal / A.

Answer:

a) frontal

Explanation:

Each hemisphere of the cerebrum can also be divided into regions called lobes, which include the frontal, parietal, temporal, and occipital lobes. The lobes located in the front and side of your brain, the frontal lobes and the temporal lobes, are primarily involved in speech formation and understanding.

Question 1 List five ways in which a chordate is more advanced than an arthropod.​

Answers

Answer:

Phylum Chordata - Advanced

Includes: Tunicates, Lancelets, and Vertebrates (which include Fish, Amphibians, Reptiles, Birds and Mammals)

Explanation:

Correct me if I'm wrong

Chordates have closed circulatory systems, centralized nervous systems, internal skeletons, notochord, and, tail.

Arthropods vs Chordates

Arthropods are similar to chordates in that they are both triploblastic and bilaterally symmetrical, among many other features.

However, chordates show more evolutionary advancement over arthropods in terms of:

possession of a closed circulatory system instead of an opened one found in arthropods.possession of a centralized nervous system.possession of internal skeletons that do not require shedding before growing, unlike arthropods with exoskeletons.possession of a dorsal hollow nerve cord that develops into the brain and spinal cord in some chordates. possession of a tail.

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Where do butterflies get important dietary minerals from?.

Answers

Answer:

they get it from flower nectar..

Explanation:

mark me brainliest

Name the parts labelled in the given cell diagram. 15 points…!!!

Answers

A=Cell wall

B=Nucleus

the given diagram is plant cell.

Which tools do meteorologists use to help create weather forecasts? select three options. guesses computer models weather service maps data from instruments personal observations

Answers

A meteorologist is person who applies scientific principles to explain and forecast the changes occurring in an Earth's atmosphere.They use weather service maps, data from instruments and personal observations.

What is difference between weatherman and Meteorologists?

Meteorologists are person specialized to use scientific principal to forecast Earth's atmosphere.

The key difference between meteorologists and weatherman is that meteorologists work in offices and research environments and involved in collecting and analyzing weather data.

A weatherman reports weather conditions, alerts, and forecasts on live television.

Meteorologists also find out the way of changes in the Earth's atmosphere affecting the climate and the life of the organisms.

Meteorologists are able to predict the changes in the atmosphere by weather service maps, data from the instruments and from the personal observations.

Thus, the correct options are weather service maps, data from the instruments and from the personal observations.

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What does the exoskeleton use to prove its movements?

Answers

Answer:

An exoskeleton contains a frame that goes around a user’s body or part of the user’s body. The frame is sometimes made out of a hard material, such as metal, and sometimes out of soft material, such as special kinds of fabric. Some exoskeletons contain sensors, which monitor and respond to users’ movements.

Explanation:

Which ocean zone provides Earth with the most atmospheric oxygen?
abyssal
benthic
pelagic
intertidal

Answers

Answer: it’s the pelagic

Explanation: I took the test

In eukaryotes, the first amino acid in a growing polypeptide chain is always _______ because the only codon for this amino acid is also the _______ codon.

Answers

In eukaryotes, the first amino acid in a growing polypeptide chain is always methionine because the only codon for this amino acid is also the start codon.

Florida is hot most of the year. Will a cougar show seasonal changes?

No, because the cougar can always find a food source in Florida.
No, because the environment does not change very much.
Yes, because the cougar needs to hibernate regardless of the weather.
Yes, because the environment does change and the cougar needs to adapt to survive.

Answers

Answer:

no

Explanation:

because there is no season change there is not a reason for the cougar to have season change

A type of grass is planted in someone's backyard to look visually appealing but has a toxin that prevents local animals from successfully eating it. This new grass becomes popular among homeowners and is planted all over the local area, becoming the most common type of grass found. What statement explains the most likely impact of this new grass on the biodiversity of the area

The grass has improved the habitat and increased biodiversity

The grass has caused adaptations within the ecosystem and caused and increase in biodiversity.

The grass has become dominant and increased biodiversity.

The grass has become dominant and decreased biodiversity

Answers

The correct answer is “ the grass has become dominant and decreased biodiversity.”

what would happen if H2O was removed from the plants environment

Answers

Answer: Plants would Die

Explanation: Plants need water to make food for themselves when they preform photosynthesis and without water the plant will shrivel up and die

Hybrid seeds are deliberately crossbred for particular traits, such as growth pattern or disease resistance. they have been hand-pollinated and are patented, often sterile, and genetically identical within food types. these plants are usually grown in a monocultural environment and are cultivated for mass production and sale. they must be sturdy to withstand mechanical picking and cross-country shipping. they do not compare to the quality and taste of heirloom plants, but they do produce large, healthy fruit that appeals to most shoppers. unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again. which statement can be removed and not affect the excerpt’s reliability? hybrid seeds are deliberately crossbred for particular traits, such as growth pattern or disease resistance. they do not compare to the quality and taste of heirloom plants, but they do produce large, healthy fruit that appeals to most shoppers. unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again. they have been hand-pollinated and are patented, often sterile, and genetically identical within food types.

Answers

The accurate solution is not like heirloom seeds, if one saves a hybrid seeds, one will now no longer get equal plant again.

What is hybrid seed ?

It is produced by cross pollination and is beneficially good.

They does now no longer reproduce so that they do now no longer shop seeds from hybrids.Heirlooms are open pollinated. Thy may be harvested and replanted and it could be grown year after year.Hybrid seeds they're go pollinated. It is the primary contributor for eise in agriculture.

Thus explained.

To learn more about the heirloom seeds refer link :

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Answer:

d. Unlike heirloom seeds, if one saves a hybrid seed, one will not get the same plant again.

Explanation: i got it right on edge

If the membrane potential of a neuron decreases, the membrane potential _____.

Answers

Answer: Less Negative/ More Positive

(Either will work)

Explanation:

If the membrane potential of a neuron decreases, the membrane potential less negative/more positive.

How do china and mongolia use fossil fuels as energy sources?.

Answers

Answer:

they burn fossil fuels, particularly coal, for energy.

Explanation:

What does the earth need for humans to survive and thrive on.

Answers

Answer:

Food and water.

Explanation:

Answer: Definitely water, plants, and wildlife.

Explanation: We need water so we don't die of dehydration. We need plants to intake carbon dioxide and produce oxygen, so we can breathe. We need wildlife so we don't starve to death.

How did you determine how much food to feed Snappy each week? Using Data Table 1, describe how the
amount of food Snappy was fed each week impacted her weight gain.
Write your answer here.

Answers

The amount of food Snappy ate impacted her weight gain as a result of the large volume taken in.

What is Food?

This is a substance which contain a lot of nutrients and is eaten by organisms for their survival.

When a person eats much, the body converts some of the excess nutrient into fats thereby causing weight gain in individuals.

Read more about Food here https://brainly.com/question/25884013

MARKING BEST ANSWER BRAINLIEST: What do geothermal, nuclear, biomass, and fossil fuels all have in common as a way to generate electricity?

Answers

Answer:

Fossil fuels were formed from the organic remains of prehistoric plants and animals. These remains, which are millions of years old, were converted by heat and pressure in the earth's crust into carbon-containing fuels. Both nuclear and fossil fuel power plants produce electricity the same way

hope this helps

Jonny climbed an apple tree. How are Jonny and the apple tree similar to each other
a. both are made of cells
b.both get energy from other agrarianism

Answers

Answer:

a. Both are made of cells

Explanation:

According to the cell theory all living organisms are made of cells. An apple tree and a human are both livings organisms. Therefore they are both made of cells

A state agency wants to release endangered hawks but needs to determine the best site for their release. The state would like to know how many rabbits are in each area to determine which area has the largest prey population. Create a plan to determine how many rabbits are in each area to determine which site is the best location. Your plan should include specific information on how many animals will be tagged and how many samples should be taken to get the most accurate results. Use your simulation data to help you develop this plan

Answers

We choose that site which have large number of rabbits because rabbits are the food of hawks.

Which location should be selected?

That site should be considered the best which has large number of rabbits because rabbits provide food for hawks so increase in population occurs in that location. We know that rabbits are the food of hawks so without suitable amount of food, the population of hawks is unable to increase.

So we can conclude that we choose that site which have large number of rabbits.

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Which of the following will most likely occur from the modification of natural ecosytems by
humans? 4a
increased biodiversity
O increased stability in the ecosystem
decreased biodiversity
O decreased carbon dioxide emissions

Answers

Answer:

increased stability in the ecoystem

What is an example of a seasonal change for fall?

Birds building nests for young
Brown bears growing more fur
Mice hibernating
Sea turtles laying eggs

Answers

Answer:

Brown Bears

Explanation:

Birds build nests in spring, mice hibernate in the winter, and sea turtles lay their eggs in the summer. Bears grow more fur in the fall to prepare for their hibernation.

The answer would be brown bears growing fur because they grow more fur before the winter because it gets cold fast.!

The movement of sinking water.

upwelling

salinity

downwelling

El Nino

Answers

Your correct option is ( A )

Upwelling is the movement of cold, deep, often nutrient-rich water to the surface mixed layer; and downwelling is the movement of surface water to deeper depths. Downwelling occurs when surface waters converge (come together), pushing the surface water downwards.

Answer:

The answer is Upwelling.

Explanation:

upwelling is an oceanographic phenomenon that involves wind-driven motion of dense, cooler, and usually nutrient-rich water from deep water towards the ocean surface

In your own words, Write a SCIENTIFIC definition of the word "property"

Answers

Answer:

Property is an attribute function that you can use to represent matter; to define it, you use observations, measurements, or combinations.

Explanation:

A hollow area in sediment in the shape of an organism or part of an organism is.

Answers

Answer:

A hollow area in sediment in the shape of an organism or part of an organism is "a cast"

Explanation:

How are fingerprints discovered at crime scenes?

Answers

Answer:

A device called the Reflected Ultraviolet Imaging System (RUVIS) aims UV light at areas where fingerprints may be. If a latent fingerprint is there, it will reflect the light back under the UV light. Once discovered, it can be processed using an approved method.

Or they use a certain powder or oil

In which season does an animal hibernate?
O A. dry
O B. fall
O C. spring
O d. summer
O E. winter

Answers

E. Winter I hope this helps

Which advantage of reproduction does the graph show? Explain!

Answers

The explanation regarding the advantage of reproduction that represents the graph should be described below.

Advantages of reproduction:

Here the graph represents the bacteria population that should be raised as the time passes. At the time of 1st hour, the bacteria population should be 50 per ml.

In the second hour, the population should be doubled. In the third hour it should be 200 per ml and in 3 and half hours, the population should be 300 per ml. So here we can see that the population should be doubled with every hour.

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