Answer:
In other words, if the instructions are exactly the same, how does one cell become a brain cell and another a skin cell? it has the ability to turn off genes. The cell grows, makes a copy of its DNA, and prepares to divide into two cells.
Explanation:
hope this helps you.
Answer:
Red blood cells make the different types of dna in the skin to convert and mutate the other skin cells
Explanation:
I had this question
Can y’all help me with 3 & 4 please I beg you I need to pass this test
Answer:
A
Explanation:
I think an untreated water can carry disease causing organisms and make people sick
All of Earth's biomes considered together represent:
A. population
B. community
C. biosphere
D. ecosystem
All of Earth's biomes considered together represent biosphere.
What is a biome?A biome is an amalgamation of plants and animals with similar traits for their habitat. Biomes can be found in many different locations. They are biological communities that have developed as a result of the area's common physical climate.
What is a biosphere?The biosphere is a small area of the earth's surface where soil, water, and air work together to support life. Only in this region is life possible.
What is a population?A population is a collection of people who can interbreed, share resources, or compete with one another for those resources.
What is a community?A community is defined as a collection of individuals belonging to various species who reside in the same region.
What is an ecosystem?An ecosystem is a biotic and abiotic component-based functioning unit of nature. Air, water, and soil are examples of abiotic components. The biotic components are producers, consumers, and decomposers.
To learn more about biome and biosphere here,
https://brainly.com/question/3152992
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Explain why natural selection happens to the individual but adaptation happens to an entire population.
Answer:
Natural selection kills a single individual that was weaker/less suited for the environment than the others. Adaption happens to one individual but through breeding, it becomes a trait for the entire species.
Explanation:
which parrots were killed by predators
Answer: Raptorial birds especially the forest eagles, hawk-eagles, Accipiter hawks, and falcons are the most likely species to prey on adult parrots and macaws.
Explanation:
Answer:
i am a little confused do you mean what predators kill parrots or if it is predators then raptors like owls eagles and hawks cats like jaguars
Explanation:
Explain how genetic modifications impact crop yield. How will this help feed the world in 2050?
Answer:
The first, which was published in 2014 and included the review of 147 studies, concluded that GM crops have allowed an average increase in agricultural yield by 22 percent and increased farmers' profits by 68 percent, with profit margins even larger in developing countries.Explanation:
Name two pond populations that could not survive in a forest ecosystem
Answer:
Name two pond populations that could not survive in a forest ecosystem, monkeys, ants, and birds.
Explanation:
explain the difference between solid lines in the diagram and the dashed lines in the diagram
Answer: in an organization chart, a solid line is used to indicate the relationship between a manager and their reports. A "dotted line report" is an employee that has some level of accountability to another, but is not a direct report.
Explanation:
NO LINKS I WILL REPORT U
Answer:
I belive the answer would be c...Im sry if im not right
Explanation:
Answer:
C. Return fixed nitrogen to the soil
Explanation:
I'm so sorry if I'm not correct
which of the following is NOT a natural resource?
A gold
B water
C oil
D fire
Answer:
D
Explanation:
Fire is man made because for there to be fire you have to strike a match or use other man made sources
If the half-life of a radioactive atom is 3,500 years. How old is the substance if the parent-daughter ratio is 1:127?
Answer:
2.447 × 10⁴ years
Explanation:
Step 1: Given data
Half-life of the radioactive atom (t1/2): 3,500 yearsParent-daughter ratio ([A]/[A]₀): 1:127 (1/127)Step 2: Calculate the rate constant
Radioactive decay follows first-order kinetics. We can calculate the rate constant (k) using the following equation.
k = ln2 / (t1/2) = ln2 / 3,500 y = 1.980 × 10⁻⁴ y⁻¹
Step 3: Calculate the time elapsed (t)
For first-order kinetics, we will use the following expression.
ln ([A]/[A]₀) = -k × t
t = ln ([A]/[A]₀)/ (-k)
t = ln (1/127) / (1.980 × 10⁻⁴ y⁻¹) = 2.447 × 10⁴ y
The pH of a solution is a measure of how acidic or basic it is. The greater the pH, the more basic the solution is. Corals and other marine invertebrates require less energy to make their exoskeletons and shells when ocean water is slightly basic. As carbon dioxide concentrations in Earth’s atmosphere rise, ocean water absorbs carbon dioxide and becomes more acidic. This process is called ocean acidification. How do you think ocean acidification will affect the coral reef?
Explanation:
Because coral reefs have limestone (calcium carbonate), the coral reefs will be greatly affected. The increase in hydrogen ions in the ocean will corrode the coral reef, making it inhabitable for species. This will affect the crabs that get their food and the community that lives within in it. Making countless of species to loose their lives and their way if living.
The maintenance of a self-sustaining ecosystem requires a
A.soil that is acidic
B.constant temperature
C.greater numberof herbivores than producers
D.cycling of materials between organisms and their environment
Plant Growth
50
40
Growth (cm)
20
10
0
8
40
16 24 32
Temperature (C)
Which of these would be the best conclusion regarding the experimental results shown?
® This species of plant grew best between 18°C and 26°C
Plants will not grow above 26°C
The tallest this species of plant will ever grow is 50 cm
The ideal temperature for all plant growth is 26°C
Answer:
I think it is F but i am not sure hope it helps
the cell shown in the diagram is ?
Answer:
Plant cell
Explanation:
Because vacuole, chloroplast and cell wall is only present in A Plant cell
Why do cells need to carry out
cellular respiration?
A. to obtain water
B. to release the energy in food
C. to make copies of itself
Answer:
B
Explanation
They have to realease things somehow
Easy question about plant water loss?
Answer:
B,C,F
Explanation:
Select the processes that allow water to return to Earth's atmosphere.
evaporation, respiration, sublimation, precipitation
evaporation, respiration, transpiration, sublimation,
evaporation, precipitation, condensation, respiration
condensation, precipitation, evaporation, sublimation
Answer:
Studies have revealed that evaporation—the process by which water changes from a liquid to a gas—from oceans, seas, and other bodies of water (lakes, rivers, streams) provides nearly 90% of the moisture in our atmosphere. Most of the remaining 10% found in the atmosphere is released by plants through transpiration.
Explanation:
i think it will help you
Answer:
Evaporation, respiration, sublimation, precipitation
Explanation:
I hope it will helps you
Erosion and deposition work together to
shape Earth's surface. Which of the following
statements best describes deposition?
A. A river flows into an ocean slows and
drops sediment.
B. Rushing water beats against the rocks at
the base of a waterfall.
C. A rushing river spreads out and forms a
wide river valley.
D. Sediment is carried away from the outer
bank of a river.
Answer:
A
Explanation:
A scientist has found fossils of an organism that she suspects is related to a living
vertebrate species, but it has different physical characteristics. The fossil is dated
at 10 million years old. The scientist wishes to look for a transitional species
between the fossil organism and the living vertebrate species. Which location
would be the best to find fossils of a transitional species?
in volcanic rock that is dated at 10 million years old
in volcanic rock that is dated at 20 million years old
in sedimentary rock that is dated at 5 million years old
in sedimentary rock that is dated at 20 million years old
Answer:
the 3rd one
Explanation:
How do gravity and inertia work together in our solar system?
Answer:
They work together to keep things in orbit.
Explanation:
Gravity pulls things in, while inertia says that all celestial objects will try their best to continue forward. The results in the orbiting of celestial objects, like the Earth, around other celestial objects, like the Sun.
Answer:
The gravity of the sun and the planets works together with the inertia to create the orbits and keep them consistent. The gravity pulls the sun and the planets together, while keeping them apart. The inertia provides the tendency to maintain speed and keep moving.(Source: sciencing.com)
I hope this helped! =)difference between blood and lymph
Explanation:
Hope this is helpful
[tex]\LARGE{\color{pink}{\textsf{\textbf{⠀❥คɴᎦᴡєя⠀}}}} [/tex]
Blood has RBC's, WBC's, platelets and a fluid called plasma. Whereas lymph has WBC's and watery fluid. They both have immune and also circulatory functions in them. One of the major differences between them is that blood flows through blood vessels and lymph through lymphatic vessels.
_________________
~ hαppч lєαrníng ~
Mention the function of oveary ,ovduct and utterus in the female reproductive system. how essential materials are supplied for the development of foetus?
Answer:
- The ovary is the female organ that produces the female gametes
- The oviducts are tubes that extend from the ovaries to the uterus
- The uterus is an organ that acts to nourish and house a fertilized egg until the fetus is delivered
- Materials are supplied by the mother's placenta
Explanation:
The ovaries are the female gonads that function to produce and release female gametes (i.e., oocytes) into the reproductive tract. These organs are also in charge of producing female hormones (e.g. progesterone). The oviducts, also known as fallopian tubes, are a pair of tubes that extend from each ovary to the top of the uterus. The uterus is a thick muscular organ of the female reproductive system that nourishes and houses the embryo and fetus. Finally, materials such as oxygen and nutrients pass from the mother's bloodstream through the placenta which is connected to the fetus by the umbilical cord.
Define these types of relationships (symbiosis).
a. mutualism -
b. commensalism-
c. parasitism -
d. predator/prey -
e. competition -
Answer:
mutualism -Both species benefit
commensalism- One species lives with, on, or in another species (the host). The host species neither benefits nor is harmed from the relationship. The species that lives on the host is benefited.
parasitism - One species (the parasite) lives with, on, or in a host species, at the expense of the host species. Unlike in predation, the host is not immediately killed by the parasite, though it may sicken and die over time.
predator/prey -One species (the predator) hunts and kills another species (the prey)
competition -The struggle among organisms for the same limited resources in an ecosystem
Explanation:
Circle the letter of each sentence that is true about the cell wall.
a. Cell walls are made of cellulose.
b. Plant cells have cell walls.
c. Animal cells have cell walls.
d. Water and oxygen cannot pass through the cell wall
Answer:
D.Water and oxygen cannot pass through the cell wall
Explanation:
not sure
Different organs work together to create an ____________ that carries out a specific process in the body.
A. organ system
B. cell
C. tissue
Answer:
organ system A
Explanation:
Answer:the answer is a
Explanation:
Tell me a brief summary of what happens in meiosis
**will mark brainliest**
Meiosis is a special type of cell division, which occurs only in the germ cells during the process of development and maturation to form gametes. It consists of two successive cell divisions,
Meiosis 1 : First meiotic division, that reduces the NUMBER of chromosomes i.e. the parent cell is diploid(46 Chromosomes) and the daughter cells are haploid(23 Chromosome). It also causes genetic variation in the haploid by cross linkage.Meiosis 2 : Second meiotic division (Meiosis II) starts with two haploid parent cells and ends with four haploid daughter cells. Meiosis 2 like Meiosis 1, does not reduce the NUMBER OF CHROMOSOME that means the forming 4 daughter cells are haploid and their number of chromosome remains the same as the parent. BUT Haploid cells that go into the meiosis 2 have MORE AMOUNT OF CHROMOSOME THAN USUAL, thus MEIOSIS 2 REDUCES the amount of chromosome rather than the number of chromosome.The DNA of the primitive germs cells is replicated prior to the meiosis 1 only and there is no replication of DNA before Meiosis 2. The four final cells reulting from the two meiotic divisions are not only haploid(i.e. containing 23 chromosome) but they are also containing 1n amount of DNA so that when the gametes fuse together forming a zygote, both the amount and number of chromosome and DNA remains SAME.
_____________________________________[tex]\huge{\text{Why is Meiosis Important?}}[/tex]Meiosis is essential for the sexual reproduction of eukaryotic organisms because it enables genetic diversity through recombination, and the repair of genetic defects.
It contributes in genetic reassorment which ensures the genetic diversity in the offsprings. The genetic reassortment takes place by following two mechanisms:
During the prophase of meiosis 1, crossing over of genetic material between the homologous maternal and paternal chromosomes takes place which causes exchange of DNA fragments between the chromosome resulting is genetic diversity.During the anaphase of the first meiotic division, there is random distribution of maternal and paternal homologous chromosomes among the daughter cells which are produced as a result of meiotic division._____________________________________Best Regards,'Borz'In the United States, there has been an increase in the number of people infected by mosquito spread diseas that were previously found only in countries south of the United States. Scientists want to investigate the cause of the increase in mosquito spread diseases. Scientists have predicted that the mosquitos carrying disease have moved further north as global temperatures have increased. Which questions would help investigate how the new mosquitoes are affecting the ecosystems of the United States ? Select all that apply. AHow much money has been spent to fight the diseases caused by these mosquitoes across the globe? B. How have the food webs in the United States changed as a result of the new mosquitoes? the natural predators to the mosquitoes also migrated north? What types of organisms are preying on the mosquitoes in their new habitats? E Are places in the United States using more pesticides to kill the new mosquitoes? If so, how are these pesticides impacting others in the ecosystems
Answer:
What types of organisms are preying on the mosquitoes in their new habitats?
Explanation:
I think it is all the answers except for What types of organisms are preying on the mosquitoes in their new habitats? this is because when a new species comes to an area it does not have anything to prey on it
which of the following is correct about cells?
Answer:
The answer is the c part that states, in prokaryotes, there are no membrane-bound organelles.
The organelles are surrounded by the single or double membranes such as Lysosomes, mitochondria, nucleus, Golgi Bodies, chloroplasts, Endoplasmic Reticulum and so on.
However, these all are not present in the prokaryotes type of cell.
Explanation:
please mark this answer as brainliest
Clouds form when water vapor _________.
A. evaporates
B. condenses
Answer:
B. condenses
Explanation:
Clouds form when water vapor condenses.
Is it true ocean cover over 50% of earths surface
Answer:
that's the answer I got
if it's not enough just tell me
