Answers
What Is Internal Fertilization? Syngamy of gametes occurs inside the female body after insemination through copulationObserved in birds, mammals, birds occurring in terrestrial plants and animals, also in some of the aquatic entities. This is observed in three ways – ovoviviparity (eggs retained in the female body, hatched when fully developed, oviparity(egg-laying), viviparity(offsprings develop within the female body) Observes in plants such as bryophytes, pteridophytesWhat Is External Fertilization?Syngamy of gametes outside the female body/outer environment, notably in water bodiesObserved in few vertebrates, sea urchins, fish, aquatic invertebrates, almost all amphibiansDeposition of sperms and eggs by males and females in open surroundings is known as spawningBroadcast fertilization – used when sperms swim through the water uniting with eggs to fertilizeii) In humans, the process of fertilization takes place in the fallopian tube. During this process, semen comprising thousands of sperms are inseminated into the female vagina during coitus. The sperms move towards the uterus and reach the opening of the fallopian tube.✯ Hope this helps ✯
Explanation:
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Related Questions
Which types muscles are controlled by the autonomic nervous system?
Answers
Answer:
Smooth Muscle
Explanation:
They are under the control of the autonomixlc nervous system , and contraction or relaxation of the muscle cells. in which case control of the blood pressure, motility of the digestive, respiratory and urinary tracts and secretion.
Which method would be best to separate a mixture of oil and water?
Answers
Answer:
separation by density
Explanation:
since both oil and water share different densities (just like how ice and water do, ice has a lesser density, therefore it floats.) with oil being denser than water, it sinks.
hope this helps:)
All living things can reproduce?
*True
*False
Answers
Recessive traits would never reappear if
A. zygotes were given opposite
alleles
B. zygotes did not separate during gamete formation
C. alleles did not separate during gamete formation
Answers
Recessive traits would never reappear if zygotes were given opposite alleles.
What do you mean by Zygote?Zygote may be defined as the outcome of the fusion of male and female gametes after successful fertilization.
Recessive traits are only expressed when both the copies of recessive genes are inherited from the parents.
Therefore, recessive traits would never reappear if zygotes were given opposite alleles.
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3. If there are 60 cardinals in a 4 square km area, what is the population density?
60 cardinals per square kilometer
60 cardinals
15 cardinals per square kilometer
240 cardinals
Answers
Answer:
15 cardinals per square kilometer
Explanation:
60 are total in 4 square kilometers
To find how many there are in only 1 square kilometer divide 60/4
and you get 15 as a result
4. Explain why there are very few or no plants at the bottom of the ocean. Name the oceanic zone that has NO
light.
Answers
Answer:
After the aphotic zone, there's complete darkness. From 1,000 meters below the surface, all the way to the sea floor, no sunlight penetrates the darkness
Explanation:; and because photosynthesis can't take place, there are no plants, either.
PLEASE ANSWER THE QUESTION CORRECTLY!!!!
GIVING OUT BRAINLY STARS!!!!!!
A closed adoption is best described as an adoption in which (5 points)
A. the birth mother and adopting family do not remain in contact after the adoption process is completed
B. the birth mother remains in contact with the adopting family, but the child has no knowledge of his or her adoption status
C. the child is adopted by someone biologically related and who will allow the birth parent to be active in the child's life
D. the child is raised with knowledge about his or her adoption and maintains a relationship with the birth mother or birth parents
Answers
Answer:
A. The birth mother and adopting family do not remain in contact after the adoption process is completed.
3/ The trophic levels in ecosystem are labeled as A, B and C
3
Heat
Heat
B
A
Consumers
Sun
Producers
с
Decomposers
Inorganic
Nutrient
Pool
Heat
Which option is correct about the trophic levels?
A The Chas more energy available to it than the B. B. The C uses cellular respiration to obtain energy.
C. The A builds simple compounds from complex D. The B are the most essential components of the
units
ecosystem
Answers
Answer:
Explanation:
3/ The trophic levels in ecosystem are labeled as A, B and C
3
Heat
Heat
B
A
Consumers
Sun
Producers
с
Decomposers
Inorganic
Nutrient
Pool
Heat
Which option is correct about the trophic levels?
A The Chas more energy available to it than the B. B. The C uses cellular respiration to obtain energy.
C. The A builds simple compounds from complex D. The B are the most essential components of the
Where would you expect to find the most good, fine soil
Answers
Answer:
I will find it in the forest or in the mountains
Tay-Sachs disease is an inherited disease that is caused by a recessive allele. If a man and his wife, who are both carriers, have three children, what is the probability of each of the following? Show your calculations and give your answers as fractions.
a) All their three children do not have the disease.
d) At least one child is phenotypically normal without the disease.
b) One or more of their three children have Tay-Sachs disease.
c) All three children have the Tay-Sachs disease.
Answers
b) One or more of their three children have Tay-Sachs disease.
37/64
a) All their three children do not have the disease.
27/64
(3/4)^3
c) All three children have the Tay-Sachs disease.
1/64
(1/4)^3
d) At least one child is phenotypically normal without the disease.
63/64
quizlet
Jake set up an experiment. He set two aquariums with five fish of the same type and size. Aquarium one was very small, only one cubic foot. Aquarium 2 was very large at 10 cubic feet. Each day the fish were fed the same amount of food and vitamins, at the end of 5 months Jake measured the fish by length. His results are shown in the bar graph above. What might be the question Jake is asking in his experiment?
A. What fish food cost the most?
B. What fish food makes fish grow faster?
C. Does aquarium size affect growth rate of fish?
D. What type of fish food do fish like the best?
Answers
Once identified the controlled, the independent, and the dependent variables, we can say the question is C. Does aquarium size affect the growth rate of fish?
What is the independent variable?
Refers to all the variables in an experiment that provoke a response in another variable.
An independent variable is the one that changes or is controlled and modified in the experiment to analyze how another variable responds to it.
It changes to analyze its effects on the dependent variable.
What is the dependent variable?Refers to the variable whose response depends on any change in the independent variable. Depending on how the independent variable is modified, the dependent variable changes.
What is the controlled variable?During an experiment, the controlled variables are kept constant. Unlike the independent variable, the controlled variables do not influence the results. These variables do not affect the response of the dependent variable.
In the exposed example,
the independent variable ⇒ Aquarium size ⇒ 1 cubic foot and 10 cubic feetthe controlled variable ⇒ food and vitaminsthe dependent variable ⇒ fishes growth.The question that Jake is asking in his experiment is Does aquarium size affect growth rate of fish? Option C.
Since he only needs to know how the size of the aquarium affects the animal's growth, he needs to keep constant other influencing variables such as food and vitamins. Otherwise, these other variables might also influence the results.
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name the nucleus of the thalamus for conscious sensation
Answers
Explanation:
Relaying limbic sensory and motor signals to the cerebral cortex, Regulating consciousness,sleep, alertnessWhat is the main difference between a nematode and a platyhelminth?
Answers
Answer:
The main difference between Platyhelminthes and Nematoda is that:
Explanation:
Platyhelminthes consists of flatworms with a thin, dorso-ventrally flattened body whereas Nematoda consists of a cylindrical body, which is tapered to fine ends at each end.
Does Alaska have more native birds or reptiles?
Answers
Choose the molecule that is most concentrated at each ph ?
Answers
Which statements describe how systems interact to produce the fight-or-flight response? Select the two correct answers. A The digestive system creates hormones that are sent to the muscular system, resulting in increased blood flow to muscles. B The endocrine system floods the circulatory system with hormones that affect several other body systems. C The muscular system sends receptors to the circulatory system to increase blood pressure and heart rate. D The digestive system interacts with the excretory system, supplying hormones to slow the production of urine. E The endocrine system supplies the lungs with insulin, allowing increased absorption of oxygen. F The circulatory system experiences a change in blood flow, which allows the muscular system to obtain additional glucose.
Answers
Answer:
B) The endocrine system floods the circulatory system with hormones that affect several other body systems.
Explanation:
When should most agricultural crops be fertilized?
A In the spring
B. In the fall
C. In midsummer
D. Throughout the growing season
Answers
Answer:
A
Explanation:
in the spring
Fertilizer is most effective when used on plants at their peak growing cycle.
Find out why mars would be a good choice for a human colonly. Also give some bad choices;
sight your sources '
helpp ill mark brainliest
Answers
Answer:
It has air but also lakes can be built to provide water to people living on it
Why is sunlight important to all aquatic ecosystems?
Pick a answer
---------------------
A. Sunlight allows fish to see their surroundings, even at depth.
B. All of the other answer choices
C. Aquatic producers need sunlight to make food and release oxygen.
D. Aquatic organisms cannot carry out life processes in the dark.
Answers
Answer:
Sunlight stimulates the growth of phytoplanktons which belong to the first trophic level in an aquatic ecosystem pyramid. If these do not exist, aquatic ecosystem would also disappear.
Which of the following is evidence that supports the Big Bang theory?
There are three correct answers
A. the redshift of most galaxies
B. the measurable expansion of the universe
C. the existence of cosmic background radiation
D.the lack of cosmic background radiation
Answers
what is a factor that affects soil development.
a. Time
b. Slope
c. Type of rock
d. all of the above
Please select the best answer from the choices provided
Answers
Answer:
D) All of The Above
Explanation:
depending on what type of soil, it could take longer or shorter for it to develop properly. The slope can cause certain parts to develop better than. others as well.
hope that helps
A salmon is genetically modified in a laboratory by inserting one gene into one chromosome of a homologous pair. The salmon escapes, and breeds with a wild, unmodified salmon. Would you expect all of the offspring to be genetically modified? Explain your reasoning.
Answers
Answer:
no
Explanation:
only some of the genes would replicate into the offspring. genes from the modified salmon would mix with the genes of the non modified salmon
How Muscular system work?
Answers
Your nervous system (brain and nerves) sends a message to activate your skeletal (voluntary) muscles. Your muscle fibers contract (tense up) in response to the message. When the muscle activates or bunches up, it pulls on the tendon. Tendons attach muscles to bones.
Which is an example of kinetic energy?
Answers
Answer:
Running
Explanation:
Running is kinetic energy because you are using force to run and running is an action.
Hope It Helps
Almost 225 soccer fields can fit in one square mile . Approximately how many could you have to yourself if you lived in a region containing 25 people per square mile ? Or 100 people per square mile ?
Answers
(a) The size of the soccer field you can have to yourself if you leave in a region containing 25 people per square mile is 9 fields.
(b) (a) The size of the soccer field you can have to yourself if you leave in a region containing 100 people per square mile is 2.25 fields.
Size of soccer field to yourself
The size of the soccer field you can have to yourself if you leave in the given regions is calculated as follows;
For 25 people per square mileSize per person = (225 field/mi²) / (25 persons/mi²)
Size per person = 9 field per person
For 100 people per square mileSize per person = (225)/100
Size per person = 2.25 field per person
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Red apple weighs 245grams green one weighs 167grams which one more attracted to the earth
Answers
Answer:
the Red apple weighs is more than the green one soo,the Red apple is more attracted to the earth
Which is defined as a cell structure made of DNA that gives all of the master instructions for the cell?
Answers
The Nucleus is the cell structure that contains chromosomes which hold the genetic information of the individual.
What do you mean by DNA?DNA stands for Deoxyribonucleic acid. It is one of the most common types of genetic material in most organisms. It is found in both forms single-stranded or double-stranded.
Chromosomes are made up of tightly coiled DNA and consist of proteins known as histone proteins and provide all the master instructions to the cells.
Therefore, the chromosome inside the nucleus is the cell structure made of DNA that gives all of the master instructions for the cell.
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helpp meee 20 points or else i will fail
explain why you seem to lose your sense of taste when you have a cold
Answers
Answer:
viral or bacterial infection will take place in your system and usually block your odor detection center where you will basically lose sense of taste and smell temporarily.
Hope this helps!
Help me plsssssssssssssssss
Answers
Answer:
Planet A is Venus
Planet B is Saturn
Explanation:
Planet A 0.72 AU which Mars and Uranus arent. Also Planet A doesnt have rings eliminating Saturn. This means that the answer for Planet A is Venus
(BTW, Planet B is Saturn, in case it asks you in a later question)
Hopefully this helped you!
the answer should be venus
The plants in this ecosystem are dark in color to absorb sunlight, covered in hair and grow in clumps. What type of ecosystem could a plant with these
adaptations be best fit for?
Answers
Darker colors absorb and retain warmth than warm tones. As a result, plants in the tundra have dark-colored leaves, hairy and clumped and stems to help them absorb solar heat faster and stay warm for longer periods of time. So it could be tundra ecosystem according to the given scenario.
What is tundra ecosystem?Tundra ecosystems are treeless areas found in the Arctic and on mountain peaks where the climate is cold and windy and rainfall is scarce.
Much of the year, tundra lands are covered in snow, but summer brings bursts of wildflowers.
Darker colors absorb and retain warmth than warm tones. As a result, plants in the tundra have dark-colored leaves, hairy and clumped and stems to help them absorb solar heat faster and stay warm for longer periods of time.
Thus, the correct ecosystem for the given condition is tundra.
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