Sexual reproduction is the process of creating a new organism from the combination of genetic material from two parents. Asexual reproduction is the process of creating a new organism from a single parent which can be either an animal or a plant.
Although both processes are used to reproduce, there are some key differences between the two. One key difference between sexual and asexual reproduction is the way in which genetic diversity is created. Sexual reproduction involves the combination of two parent’s genetic material, which creates a new combination of genes, or alleles, in the offspring. Another difference between the two processes is the number of parents involved. Sexual reproduction requires two parents, while asexual reproduction requires only one parent. Finally, the amount of time required for each process is different. Sexual reproduction usually takes longer than asexual reproduction as it requires two parents.
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2. What is the evidence that 4- legged animals came from fish?
Answer:
catfish
Explanation:
dnebduenvfwehejjdj
We run, play, work, study. We need energy to do all of this. In fact, one characteristic of living things is that they need and use energy. Two processes are needed in us humans to break down food to release the energy that is stored in our food. They are ____________ and cellular respiration.
A) circulation
B) digestion
C) excretion
D) photosynthesis
I think digestion would be the answer here. Humans can't do photosynthesis. Excretion is how we expel waste. And circulation is how oxygen gets to our cells.
Does this help?
Which organism is a secondary consumer?
a. Bear
b. Weasel
c. Deer
d. Rabbit
e. Grass
Answer:
I think weasel.
Hope it helps! :)
Explanation:
pls answer ill give brainlyist (ik i spelt it wrong)
Scientists have recorded increasing ocean temperatures. Which of the following is not a consequence of these increasing global temperatures?
altered species interactions
lower salinity in ocean water
shifts in the range of habitat for organisms
changes in the seasonal abundance of populations
Answer:
Lower Salinity in the ocean water.
Explanation:
The ocean absorbs most of the excess heat from greenhouse gas emissions, leading to rising ocean temperatures. Increasing ocean temperatures affect marine species and ecosystems. Rising temperatures cause coral bleaching and the loss of breeding grounds for marine fishes and mammals.
Evaporation of ocean water and formation of sea ice both increase the salinity of the ocean. However these "salinity raising" factors are continually counterbalanced by the continuous input of fresh water from rivers, precipitation of rain and snow, and melting of ice.
As temperature increases, the space between water molecules increases—also known as density, which therefore decreases. ... Salinity and density share a positive relationship. As density increases, the amount of salts in the water—also known as salinity, increases
please help!!!!!!!!!!!!!!!!!!
Answer:
The clownfish and anemone won't be able to survive in the wild without each other. The clownfish provides the anemone with nutrients and scares off potential predator fish. The anemone provides the clownfish with protection and shelter.
Explanation:
The diagram shows a cladogram.
Which statement is supported by the cladogram?
A. The tuna does not have a
jaws.
B. The leopard does not walk on four legs.
C. The lamprey does not have vertebral column.
D. The salamander does not produce an amniotic egg.
Answer: C
Explanation:
suggest why an MRSA infection may have to be treated with many different antibiotics
Answer:
A trio of antibiotics that had become powerless against MRSA decades ago proved effective in infected mice when used together.
Although more testing is needed, the results suggest that combinations of already-approved antibiotics might add to our options to combat MRSA infections.
Explanation:
Phytoplankton are microscopic organisms that perform photosynthesis in oceans. When urban pollution runoff makes it to the oceans, it poses a threat to humans by killing numerous phytoplankton. How does reducing the number of phytoplankton most directly affect humans? O E. The atmosphere will contain more oxygen, resulting in warmer global temperatures. G. The atmosphere will contain more carbon dioxide, resulting in cooler global temperatures. H. The atmosphere will contain more oxygen, resulting in cooler global temperatures. O J. The atmosphere will contain more carbon dioxide, resulting in warmer global temperatures. WILL MARK BRAINLEST IF CORRECT!!!
Answer:
The atmosphere will contain more oxygen, resulting in warmer global temperatures.
Explanation:
I did this on my test
The reduction of the number of phytoplankton that impact the human should be that atmosphere will contain more oxygen, leads in warmer global temperatures.
What is phytoplankton?It is also called as the microalgae that should be same like the terrestrial plants which comprise of the chlorophyll and it needs the sunlight for living and growth.
It is to be considered as the buoyant and float in the upper part of the ocean where the sunlight should be penetrates with the water
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The process of one ecological community gradually changing into another is called:
community development
ecological succession
O community succession
O ecological development
Answer:
ecological succession
What is one result of the convection currents in Earth's outer core?
a
Erosion
b
Earth's magnetic field
c
Earth's gravity
d
The melting of the polar ice caps
Answer: b. Earth's magnetic field
Explanation:
describe how oxygen and carbon dioxide are cycled using the cardiovascular and respiratory system
Answer:
respiratory system fills the blood with oxygen and gets rid of the carbon dioxide while the cardiovascular system umps the oxygen rich blood all over the body (short answer)
Explanation:
the respiratory system aids in the supply of oxygen to the blood and the exit of carbon dioxide. when the heart takes in blood that is short of oxygen and full of carbon dioxide, the pulmonary arteries pumps the blood to the lungs, who then fill the low oxygen blood with oxygen and transport the carbon dioxide out of the lungs. this oxygen rich blood, which now has a rich amount of hemoglobin, is transported to the heart which is pumped or circulated it to the entire body. (long answer)
hope this helps !!
Someone please answer i’ll give you brainliest.
Answer:
You can go with first option
Explanation:
First option contains mitochondria, vacuole, nucleus, cell membrane, cytoplasm
These elements contained by both cells animals and plants
But in other option cell wall is also in the options
So, but it is contained by plant cells only so they are not correct
THANK YOU
If you are helped with my answer pls tag me brianliest I really want it.......
Why would a Nonsense mutation be less damaging if it occurred at the end of the gene rather than the
beginning?
which of the following is a matter
Answer:
gas, liquid and solid
Explanation:
hi
What signals the end of
the cell cycle?
A. cell death
B. Cancer
C. Cell division
Rocks are made of collections of mineral grains that are held together in a firm, solid mass. Rocks are identified primarily by the minerals they contain, their color, and their texture.
Based on this passage, you can infer...
A. Rocks are classified into three major groups
B. Rocks form from the cooling and hardening of molten rock
C. A rock's origin is the way it was formed
D. Each type of rock has a distinctive set of minerals
OMG PLSSS HELP ME PLS PLS PLS!!!!!!!
Answer:
Explanation: it’s a
A balanced polymorphism exists through disruptive selection in ground finches from the Galapagos in which small- and large-billed birds specialize in cracking soft and hard seeds, respectively. If long-term climatic change resulted in all seeds becoming soft, what type of selection would then operate on the finch population?
Answer:
The correct answer is - directional selection.
Explanation:
In a population, if a particular phenotype is favored among all others in every individual by continuously shifting the allele frequency towards one direction only, this type of selection called directional selection. It is a mode of natural selection.
In this case, the finch population will change towards the directional selection due to the food source become similar for both small and large-billed due to climatic change in the long term all seeds become soft so the small billed will be more favored.
Answer:
The correct answer is directional selection.
Explanation:
what are the Seven parts of the water system
1: Evaporation
2: Condensation
3: Sublimation
4: Precipitation
5: Transpiration
6: Runoff
7: Infiltration
Are scallops decomposers?
Answer:
Yes they are.
Explanation:
also reminder to be happy drink water u are loved :). <3
If sperm contains both x and y chromosomes then who decides the gender. Whether egg chooses which sperm( a sperm carrying x or y chromosomes) has to be fertilized.
Answer:
Egg cells all contain an X chromosome, while sperm cells contain an X or Y chromosome.
Explanation:
This arrangement means that it is the male that determines the sex of the offspring when fertilizationocc
Fill in the blank below with the vocabulary word that best completes the sentence.
Natural selection leads to
a process of change in a population over time.
DO NE
Answer:
natural growth
Explanation:
because all thing's which are natural are natural resources.
Answer:
Fill in the blank below with the word that best completes the sentence.
Natural selection leads to Evolution, a process of change in a population over time.
after
Complete the sentence below by selecting the correct words from the drop-down menus.
Factors that affect natural selection include
✔ variation
,
✔ overpopulation
, and
✔ adaptation
.
Explanation:
what is Spermatogenesis ?
During photosynthesis in plants, what is the source of the carbon in the glucose sugar molecule
(C6H12O6)?
Carbon dioxide in the air
Carbon monoxide in the air
Carbon particles in the soil
Carbon particles in water
Answer:
Carbon in the air
Explanation:
Which best helps scientists determine the age of fossil
Explanation:
To establish the age of a rock or a fossil, researchers use some type of clock to determine the date it was formed. Geologists commonly use radiometric dating methods, based on the natural radioactive decay of certain elements such as potassium and carbon, as reliable clocks to date ancient events.
The method that best helps scientists determine the age of fossils is radiometric dating. This method is highly accurate and reliable, providing precise numerical ages for fossils.
Radiometric dating is a technique that uses the decay of radioactive isotopes to calculate the absolute age of rocks, minerals, and fossils. Different isotopes have specific half-lives, which is the time it takes for half of the radioactive parent isotopes to decay into stable daughter isotopes.
By measuring the ratio of parent isotopes to daughter isotopes in a fossil or rock sample, scientists can determine how many half-lives have passed and calculate the age of the specimen.
This method is highly accurate and reliable, providing precise numerical ages for fossils and other geological materials, and helping scientists understand the timeline of Earth's history and the evolution of life on our planet.
Therefore, The method that best helps scientists determine the age of fossils is radiometric dating.
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GIVING BRAINLIEST AND THE REST OF MY POINTS!!!!!!!
How does the location of the heart, lungs, and brain differ in the human body?
A) The brain and heart are located in the head while the lungs are located in the chest.
B) The brain is located in the head while the heart and lungs are located in the chest.
C) The heart is located in the head while the brain and lungs are located in the chest.
D) The lungs are located in the head while the heart and brain are located in the chest.
Answer:
B
Explanation:
The heart and lungs are in the chest, while the brain is located at the head.
Answer:
B
Explanation:
I got it right on my test
PLEASE HELP!! cant fail this
Answer:
They used to occupy the same land and no longer interbreed.
Explanation:
The diagram shows that the canyon used to be one. Once it was split, the organisms got separated and adapted to live on their own side of the canyon
Help me with this plz ASAP
Answer:
I think letter D
Explanation:
Sana maka tulong
Answer:
D) Paramecium
Explanation:
sorry if my answer is wrong
Can someone help me use speciation in a sentence
Answer:
A new ecosystem can lead to specitation.
-Xax
31. Which sequence shows increasing ecological
levels of organization?
A. organism, population, community, ecosystem
B. ecosystem, population, organism, community
C. community, ecosystem, population, organism
D. population, organism, ecosystem, community
Hello there, kawissaehsshen!!!
The answer here would be A. The organism is a singular thing, so it should be first. The population comes next - it is all the same type of organism living in one ecosystem. Next is community - this is all the living organisms in the area. Lastly, there is the ecosystem - the organisms, their habitats, and everything else.
I really hope this helps you!!
Which of the following is not a tectonic boundary
A) convergent
B) divergent
C)transform
D) sedergent
Answer:
transform
Explanation:
trust me