Answer:
I feel like you need a picture or graph for someone to answer this question. Being helpful, I'll guess some possible answers.
Nutrient or water shortages
Environment issues
Disease
Explanation:
Nitrogen fixation converts nitrogen gas to usable nitrogen for plants?
True
False
Answer:
True, nitrogen fixation converts atmospheric nitrogen into nitrogen that can be used by plants.
Explanation:
Think about water. There's plenty of water on Earth, but very few is actually drinkable, at least for humans. So we have to fix it by filtering out dangerous bacteria in the water and other dangerous stuff before being able to actually drink it. Same with atmospheric nitrogen. It must be "fixed" before plants can actually use them.
What does the term segmentation mean?
animal in which the mouth forms second in development
trait in which an animal has repeating body parts able to be specialized for different function
animal in which the mouth forms first in development
trait in which the nervous system is concentrated in one end, forming a head
Answer:
trait in which an animal has repeating body parts able to be specialized for different function
Explanation:
Segmentation is a characteristics of many living organisms. Segmentation is referred to as the division of certain body part of an organism into sections. This section is repeated as many times as possible on the animal/plant.
The segment divides the part into specialized units that performs differing functions. The different functions define the organism, hence, segmentation is very important in development.
Answer: trait in which an animal has repeating body parts able to be specialized for different function
Explanation: Segmentation is a characteristic of many living organisms. Segmentation is referred to as the division of certain body part of an organism into sections. This section is repeated as many times as possible on the animal/plant. The segment divides the part into specialized units that perform different functions. The different functions define the organism, hence, segmentation is very important in development.
Note: Hope this helps you and sorry for the late answer.
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Which of the following is a scientific question?
O A. What is the boiling point of seawater?
O B. What should I do this weekend for fun?
C. Does each period during the school day last the same number of
minutes?
O D. How long can I use a pen before it runs out of ink?
Competitive divers pull their limbs in and curl up their bodies when they do flips. Just before entering the water, they fully extend their limbs to enter straight down. Explain the effect of both actions on their angular velocities. Also explain the effect on their angular momenta.
Answer:
whats an angular momenta ?
Explanation:
How many different genotypes are possible from a cross between the parents RRYy and rrYY?
Answer:
1 genotype is possible
RrYy
What is the function of the vacuole?
A. Contains the cell's DNA
B. Protects the cell
C. Storage for water and nutrients
D. Storage for organelles not in use
Answer:
c
Explanation:
Passive transport differs from active transport because Passive
transport does not:
A. require energy.
B. move materials out of the cell.
C. use the concentration gradient.
D. use proteins.
Answer:
i’m not a 100% sure but i think it’s A
Is it possible to know the genotypes of the three children in generation III? _________________________ Should their shapes be shaded? ____________________________ Explain your answer to both questions
Answer: Some data related to your question is missing attached below is the data.
answer:
It is possible to know their genotypesthe shapes should be shaded as wellExplanation:
It is possible to know the genotypes of the Children ( three of them ) and their genotypes are ; Hh, Hh, Hh
Their shapes should be shaded as well and this because the (3) children posses the dominant allele H in their genotype composition .
Some records associated with your query is lacking connection underneath are the records.
It is feasible to recognize that their genotypes shapes have to be shaded as properly.
It is feasible to recognize the genotypes of the Children (3 of them) and their genotypes are; Hh, Hh, HhTheir shapes have to be shaded as properly and this is due to the fact that the kids possess the dominant allele H of their genotype composition.What are genotypes?Genotype is an individual's series of genes. The time period can also talk over with the 2 alleles inherited for a selected gene. The genotype is expressed whilst the records encoded withinside the genes' DNA are used to make protein and RNA molecules.
Thus it is clear that the above answers are well explained.
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Why do water molecules "stick together"?
Answer:
Water molecules tend to stick together due to the structure and charge of the atoms present in the water. Hydrogen atoms are positively charged while oxygen atoms are negatively charged. ... All water molecules are exerting cohesive forces on all the molecules around them including those on the surface of a body of water
A psychologist exploring the impact of a new drug on activity in the brain is working on the level of ?
Answer:
A. Lower level
Explanation:
Which of the following is a flowering plant?
Fern
Horsetail
Orchid
Both A and B
Answer:
Orchids
step by step explanation:
Orchid is a flowering plant. So, the correct option is C.
What are Flowering plants?Angiosperms, or flowering plants, are a category of plants that generate flowers as a component of their reproductive processes. With over 300,000 recognised species, they are the biggest and most varied group of plants. Flowering plants range across sizes from tiny herbs to massive trees and can be found in nearly every region on the planet, from deserts to rainforests, oceans to mountaintops.
Flowering plants are economically and ecologically significant because they provide humans with food, fiber, medicine, and ornamental value while also functioning as crucial components of many ecosystems.
Orchids are an extensive and widespread blooming plant family, with over 25,000 species found worldwide. They are well-known for their spectacular, fragrant flowers that come in a broad range of forms, sizes, and colors.
Therefore, the correct option is C.
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A dependent variable is:
Answer:
the variable that is being measured or tested in an experiment
Explanation:
just fax
Which of the following is an input for cellular respiration? a CO2 b. H₂O C. sunlight d O2
Answer:
Cellular respiration inputs are glucose and oxygen. The answer is O2.
Explanation:
Cellular respiration happens inside mitochondria. Meanwhile, the output is carbon dioxide, water, energy, and (ATP) adenosine triphosphate. It is a chemical process to extract nutrients and release waste substances.
Based on his job duties, what kind of support services professional is Timothy? What type of skills are critical to Timothy's work?
Timothy is a support services professional at a large hospital. His job role requires him to sometimes work with law enforcement
personnel if a security threat situation arises.
Timothy is a _
A: transport technician
B: biomedical engineer
C: head of security
The general skills that Timothy needs most are
_ skills.
A: interpersonal
B: mathematical
C: reading
Answer:
1C: head of security
2A: interpersonal
Explanation:
Timothy is the head of security and its job requires him to work with law enforcement personnel if a security threat situation arises. Interpersonal skills are the type of skills are critical to Timothy's work. Interpersonal is relating to relationships or communication between people and we can say that this skill is important for the head of security to do his job efficiently and in a good manner.
Economic impact of agricultural pollutants on water sustainability for agricultural production. summarise your findings in a table form
Answer:
nalaqdua
Explanation:
sbospka ai9wlhzux5 s8fvekg
Scientists have learned that when a pregnant woman smokes, one of the chemicals absorbed, nicotine, can narrow the diameter of her blood vessels that lead to the placenta. Explain why narrowing the diameter of these blood vessels can result in low birth weight babies.
The presence of Reed-Sternberg cells in an
individual indicates that the person has
O mononucleosis.
O Hodgkin's lymphoma.
O non-Hodgkin's lymphoma.
O lupus.
Answer:
The presence of Reed-Sternberg cells in an individual indicates that the person has [tex] \small{\underline {\boxed{ \sf{Hodgkin's \: \: lymphoma.}}}}[/tex]
Why are most of the functions of the body regulated by negative, rather than by positive feedback
mechanisms?
Answer:
Negative feedback mechanisms actually control a process; it can turn it off, whereas positive feedback accelerates the process, allowing the cell no control over it.
Explanation:
Biomass is a :
(a) Dry weight of living organism
(b) Fresh weight of living organism
(c) Dry weight of dead organism
(d) Fresh weight of dead organism
(1) only a (2) a,b (3) c,d (4) only c
Answer: 1. only A
Explanation: bio means living
Answer:
(a) Dry weight of living organism
hope this help you
You look at a cell using a microscope. You see ribosomes and a nucleoid that has one circular chromosome and no surrounding membrane. You do not see any endoplasmic reticulum, mitochondria, Golgi or chloroplasts. From these observations you would conclude you were looking at Group of answer choices
Then write how sponges an Cnidarians are alike and different?
Differences:
Cnidarians have groups of similar cells that work together as tissues, while sponges have no tissues, only disconnected regions of specialized cells.
Similarities:
They contain nematocyst (cells that sting)
some are sessile/free swimming
Some corals have a symbiotic relationship with algae, they need to grow in shallow waters so that light can penetrate for the algae to photosynthesize.
Genetic diversity is associated with asexual reproduction.
True
False
Answer:
i think its false
Explanation:
Answer:
in asexual reproduction you do not really get genetic diversity, therefore this is false.
Phospholipids are ____________, meaning they have hydrophobic and hydrophilic sections
A. Hydrogenated
B. Amphipathic
C. Saturated
D. Glycogenic
Answer:
the answer is B
Explanation:
Answer:
B
Explanation:
no explanation for this answer
The image of a scientist collecting a sediment core was taken at the Wild Harbor salt march on Cape Cod, Massachusetts. What evidence is this person hoping to collect from this research?
Scientist taking a sample of marsh soil.
© 2016 Woods Hole Oceanographic Institution
She hopes to discover if the oil is still floating on the surface.
She hopes to see if the oil is still present deep down below the surface.
She hopes to collect animals that have died from the spill.
She hopes to see how easily the oil can be removed from the soil.
Answer:
A. She hopes to discover if the oil is still floating on the surface.
should shellfish, which is labeled frozen but reicieved thawed, be accepted
You will create a molecular clock model for an arthropod gene. Follow these guidelines to make your model:
Your timeline will span from 90 million years ago to the present. The common ancestor in your model is an arthropod that lived 90 million years ago. The gene that you’ll track codes for a protein in the species’ venom.
The DNA sequence you’ll track contains 10 nitrogen bases. You can choose the order of the bases and where the mutations occur.
This gene mutates at a rate of approximately 0.76 base pairs every 17.1 million years. To build your model, calculate the estimated time period it takes for 1 base pair to mutate.
The first time period will only show the common ancestor. At the beginning of the second time period, three lineages will diverge from the common ancestor, each with a different mutation in their gene sequences.
The first and third descendant species will survive for the rest of the timeline. The second descendant species was extinct 50 million years ago.
Calculate how long it will take for one full base pair mutation to occur. Explain your reasoning by constructing a mathematical equation.
Answer:
The mutations occur at a rate of 0.56 base changes every 1 billion years. If this rate stays consistent, the mutation rate can be used to determine when different lineages of a particular species split
Answer:
It takes about 17.1 Million years for a base pair to mutate at a rate of 0.76 base pairs. To get the time it takes for one full mutation to occur, you must divide 17.1 to 0.76 and multiply it by 1. So, (17.1/0.76)×1=22.5. It would take about 22.5 million years for one full base pair mutation to occur. Having this being said, the first descendant with one base pair mutation would change after 22.5 million years from the common ancestor. For the second descendant, it would take 45 million years as 22.5 time 2 is 45. 5 million years later, the second descendant will become extinct while the first descendant survives. The third descendant will take about 22.5×3= 67.5 million years. Now, the first and third descendants will survive while the second descendant is extinct.
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Skin cells are able to pass on their characteristics to new skin cells because of which of the following?
Answer:
Explanation:
Do nguyên phân làm tế bào con giống với tế bào mẹ ban đầu
Skin cells are able to pass on their characteristics to new skin cells because of mitosis.
What is mitosis?It is a cell division in which the chromosome number in daughter cells is same as that of parent cells."It is also called as equational division."It is used for growth, repair etc.What is heredity?"It is the transfer of genetic information and hence traits from parents to offsprings." It is a biological process.What are skin cells?Skin cell is a term which is used to denote 4 cells of the epidermis.
They are:
keratinocytes, melanocytes, Langerhans cells,Merkel cells.To learn more about cells, mitosis, and chromosome here,
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Biology MCQs please help
(1) Group of cell that work together as one to perform a single function is termed as Tissue . Then the group of tissue combine to form organs and further they combine to organ systems and further they combine to form organ system .
(2) They are unicellular green algae which belongs to family Volvocaceae of the Plantae Kingdom
(3) Hypothesis is the assumption which are taken on the behalf of the observation on small scale . They can be correct or incorrect depends on the number of observation and Hypothesis.
(4) Viruses are included in any of the kingdom because they are on the intermediate line of living and non living as they show properties of non living outside the host and properties of living inside the host
In taxonomy, the kingdom that has the simplest life forms is (A) Animalia,
(B) Fungi. (C) Protista. (D) Plantae. (E) Monera,
