Answer:
The key difference between angiosperms and gymnosperms is how their seeds are developed. The seeds of angiosperms develop in the ovaries of flowers and are surrounded by a protective fruit. Gymnosperm seeds are usually formed in unisexual cones, known as strobili, and the plants lack fruits and flowers.
Answer:
Angiosperm seeds develop in the ovaries of flowers and are covered with a protective fruit. Gymnosperm seeds are typically formed in something called strobili, and the plants doesn't have fruit and flowers.
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explain the term endogenous technology
Answer:
new technologies developed within (or based on the initiative of) a country through research, development, and demonstration
Explanation:
Name one way in which soil depends on a biotic factor.
Answer:
Soil is composed of both biotic—living and once-living things, like plants and insects—and abiotic materials—nonliving factors, like minerals, water, and air. Soil contains air, water, and minerals as well as plant and animal matter, both living and dead.
Explanation:
Abiotic and biotic elements, as well as other components, make up the complex and dynamic system known as soil. Living elements of the soil, such as plants, animals, and microorganisms, are referred to as biotic factors.
What is the way to create a complex and a dynamic system ?A complex and dynamic system is created by the interactions between these living elements and the soil's abiotic elements, such as water and minerals. The cycle of nutrients is one way that soil is dependent on a biotic component.
The process of moving nutrients through the soil and its biotic elements is known as nutrient cycling. When plants and other living things die or are consumed by other living things, they return nutrients from the soil to it.
This round for soil fertility and general soil health to be maintained, nutrient uptake and release are crucial. As they decompose organic matter and release vital nutrients into the soil, soil microorganisms also play a significant part in this process.
Soil wouldn't be able to support the growth of plants and other organisms without this nutrient-cycling process.
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If an organism was able to survive the increase in airborne toxins, what traits will their offspring carry? What about the next generation?
Answer:
If an organism is able to survive the increase in airborne toxins and reproduce, there is a high chance that their offspring will also be able survive in airborne toxins, although some may not. But all the organisms that can survive and reproduce will produce more and more organisms that are able to survive from an increase in airborne toxins.
Based on the codon chart, what amino acid chains is coded for by the mRNA sequence 5'AUGUGGGAUUUU3'?
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endemic species.
te lo aseguró
The smallest living things we have around, thanks to this tool they were eventually found – What is it?
what is gene flow and how might it impact a wolf population
Answer:
Gene flow within a population can increase the genetic variation of the population, whereas gene flow between genetically distant populations can reduce the genetic difference between the populations.
Explanation:
Gene flow within the population increases the genetic variability in the wolf population variation can be seen.
What is gene flow?Gene migration is another name for gene movement. The movement of genetic material from one group to another is referred to as gene flow.
Through migration, gene flow can occur between two populations of the same species and is mediated via vertical gene transmission from parent to offspring and reproduction.
Any movement of people and the genetic material they carry from one community to another is referred to as gene flow, often known as migration.
Therefore the movement of genetic material from one population to another is known as gene flow.
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1. Cell division is when cells divide to make _________________ ____________________.
2. Name 2 reasons why cells divide mentioned in the first paragraph.
3. What are the new cells that are formed called?
4. What needs to happen to the cell before it can divide?
5. The dividing of the nuclear material (nucleus) is called __________________________.
Answer:
Growth. Replacing damaged or dead cells.
replace. Repair\ 50 million cells die second. Make cells for reproduction make specialized s cells)
cell division.
the strands of DNA in the nucleus must be copied, checked for errors and then packaged into neat finger-like structures.
Mitosis is a process of nuclear division in eukaryotic cells that occurs when a parent cell divides to produce two identical daughter cells.
Explanation:
Answer: 1. Cell division is when cells divide to make daughter cells.
2. Growth. Replacing damaged or dead cells.
3. Gametes.
4. Chromosomes must still be copied. The cell must double in size.
5. Mitosis
Explanation: Please Mark me Brainiest :)
im not sure what the answer is
Answer:
1. B
2. D
3. E
4. C
5. F
6. A
Explanation:
i think i got them all
Imagine that a team of scientists test a certain hypothesis, and the experimental results show that it is false. How will
this information most likely be helpful in the future?
O The hypothesis and experiment will not be discussed again.
The hypothesis will be used to support a different theory.
The results will be on record and can inspire a new hypothesis.
The results will show which other hypotheses must be true.
Answer:
the results will likely be recording and could inspire a new hypothesis.
Explanation:
Bacteria
(photosynthesis)
Bacteria
(chemosynthetic)
Bacteria
(heterotrophic)
(Optional +5 ex cr
bacteriophage)
Flatworm
Nematode
Arthropod
Annelid
Fungus (mutualist)
Fungus (parasite or
Pathogen)
A farmer uses DDT to kill insects in his field. The first year nearly all of the insects were killed. By the fourth year, however, nearly all of the insects survived the DDT treatment. Explain the process of natural selection in this population of insects. Include these words - mutation, phenotype, variation, resistance, adaptation, and differential survival.
Answer:
Explanation:
Selection is the greatest force that alters gene frequency and brings about variation that is evidence in a population. There are both natural and artificial selection.
Mutation is one of the force that alters population frequency it is an heritable change that is sudden and occur in the gene, it can be induced or caused naturally.
The insect survived the DDT used because over the years they have build immunity and resistance against the chemical, they now mutate and produce gene that becomes resistance to the chemical and now adapted or adaptable to the environment. Natural selection helps in the continuous perpetuation of the new phenotype and a new differential survival rate.
Which best describes the flow of genetic information?
A. Protein to DNA to RNA
B. DNA to RNA to protein
C. RNA to DNA to protein
D. Protein to RNA to DNA
Answer:
B DNA to RNA to protein
Explanation:
i just did it
Do the mitochondria have the same job in the plant cell and the animal cell?
Answer: Both animal and plant cells have mitochondria, but only plant cells have chloroplasts. ... Because animals get sugar from the food they eat, they do not need chloroplasts: just mitochondria. hope this helps. Pls plz give me brainliest
Explanation:
Answer:
yes the have the same job in the plant cell and the animal cell.
Given the following DNA code, how would this segment be transcribed into
mRNA? TACCCGAТA СТcccТТСААТТ
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listen it
15 Which statement accurately describes the energy needs for photosynthesis and cellular
respiration?
A Solar energy is needed for cellular respiration but not for photosynthesis.
B Chemical energy in the form of glucose is needed for both cellular respiration and
photosynthesis.
C Chemical energy in the form of glucose is needed for photosynthesis, and solar energy is
needed for cellular respiration.
D Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is
needed for cellular respiration.
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Answer:
D. Solar energy is needed for photosynthesis, and chemical energy in the form of glucose is needed for cellular respiration.
Explanation:
Photosynthesis requires solar energy from the sun, which energizes electrons and allows for glucose to be created.
In cellular respiration, glucose provides chemical energy when it is broken down. This creates ATP energy for the cell to use.
So, the correct answer is D.
Suppose you found a rock, and through testing found out that it had just as much lead-206 as uranium-238 in it. How old would you conclude the rock to be?
Answer:
The answer is below
Explanation:
Let m be the mass of each of lead-206 and uranium-238 found in the rock. The radioactive decay is given as:
[tex]U_t=U_oe^{-\lambda t}\\\\U_t=number\ of\ undecayed\ U238\ after\ time \t,\\U_o=number\ of\ undecayed\ U238\ initially,\lambda=decay\ constant\\\\But\ U_o=U_t+Pb_t\\\\U_t=U_t+Pb_t(e^{-\lambda t})\\\\e^{-\lambda t}=\frac{U_t}{U_t+Pb_t} \\\\e^{\lambda t}=\frac{U_t+Pb_t}{U_t} \\\\e^{\lambda t}=1+\frac{Pb_t}{U_t}[/tex]
half life of uranium-238 = 4.468 * 10⁹ years
λ = 0.693 / half life = 0.693 / 4.468 * 10⁹ years = 0.1551 * 10⁻⁹
[tex]n_{Pb_t}=\frac{m}{206} \\\\n_{U_t}=\frac{m}{238}\\\\1+\frac{\frac{m}{206}}{\frac{m}{238}}=e^{\lambda t} \\\\e^{\lambda t} =2.1553\\\\ln(e^{\lambda t} )=ln(2.1553)\\\\\lambda t=0.7679\\\\t=\frac{0.7679}{\lambda} \\\\t=\frac{0.7679}{0.1551*10^{-9}} \\\\t=3.43*10^9\ years[/tex]
okay so these are individual questions but they are all true or false and thank you so much if you answer :)
Answer:
1.True
2.False
3.False
4.True
5.True
How do the different types of mutations affect the number of amino acids that are different from the original amino acid sequence during protein synthesis?
Answer:
Tay poop head answer 223 enjoy
Help please ill mark brainliest!
Answer:
DNAExplanation:
there's my answer hopes it helps you out :)have a great dayA procedure done under controlled conditions to test a hypothesis is an inquiry
True or false
Answer:
true
Explanation:
pls mark me brainliest right
Explain how the availability of resources in the environment is linked to exponential growth of a species
Answer: Exponential growth occurs when resources in the environment are abundantly available to a species.
Explanation: When a food source amount drops, so does the survival rate of the predator that eats that specific food source. When a food source grows too abundantly at too fast a rate, predators increase in numbers.
Explain the relationship between the Ring of Fire, volcanoes, and
plate boundaries
Help!
Explanation:
The abundance of volcanoes and earthquakes along the Ring of Fire is caused by the amount of movement of tectonic plates in the area. Along much of the Ring of Fire, plates overlap at convergent boundaries called subduction zones. That is, the plate that is underneath is pushed down, or subducted, by the plate above.5
What are carbohydrates dissolved into the bloodstream as?
1 Sucrose
2 Fats
3 Glucose
4 Dextrose
Answer:
glucose
Explanation:
Answer:
3 Glucose
Explanation:
Two birds look morphologically similar but have different coloring. Although the birds have been found nesting together, they are not able to make viable, fertile offspring. How should these bird species be classified?
A) They are different species, despite their similar morphology.
B) They are members of different populations.
C) They are the same species, despite their different coloring.
D) They are the same species because they are geographically isolated.
Answer:
A.) They are different species, despite their similar morphology.
Explanation:
Distinguish between breathing and respiration.
As stated above, breathing is the biological process of inhaling and exhaling of the gases between the cells and the environment. The mechanism of breathing involves various respiratory structures such as the windpipe, lungs and nose. Respiration, on the other hand, is a chemical process that takes place in the cell.
➜ Breathing:
The process of obtaining oxygen and releasing carbon dioxide is called breathing.It is a physical process.It takes place in the lungs.It utilises energy from the food.Respiration:
The process of releasing energy from food is called respiration.Heterotrophs are directly or indirectly dependent on autotrophs.It takes place in the lungs as well as in mitochondria.It releases energy from the oxidation of simple food.What two factors cause the Gulf Stream to move away from the equator?
Answer:
The Gulf Stream is caused by a large system of circular currents and powerful winds, called an oceanic gyre.
As the warm water comes in, colder, denser water sinks and begins moving south—eventually flowing along the bottom of the ocean all the way to Antarctica.
Explanation:
Which of the following is a scientific question?
A. Does the cost of storing heated water from a power plant until it
cools outweigh the importance of protecting the native habitat?
B. Should the government regulate the release of hot water from
power plants into local bodies of water?
C. How does the release of heated water from a power plant into a
river affect native fish populations?
D. Are the needs of the community more important than the health of
a waterway?
SUBMIT
Answer:
D. Are the needs of the community more important than the health of.
Answer:
D . Are the needs of the community more important than the health of a waterway
10. Which statement correctly describes the roles of mRNA and tRNA in protein synthesis?
A. tRNA delivers DNA code to the ribosome and mRNA delivers amino acids to the ribosome
B. mRNA delivers DNA code to the ribosome and tRNA delivers amino acids to the ribosome
C. tRNA delivers DNA code to the nucleus and mRNA delivers proteins to the ribosome
D. mRNA delivers DNA code to the nucleus and tRNA delivers proteins to the ribosome
Answer:
The right answer is D.
Explanation:
The messenger ribonucleic acid, messenger RNA, or mRNA is a transient copy of a portion of the DNA corresponding to one or more genes. mRNA is used as an intermediate by cells for protein synthesis. Jacques Monod, François Jacob, and their collaborators issued and showed the concept of messenger RNA in 1960.
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C C C C C
answer is C
Explanation:
I hope this help u
