Answer:
to ensure that the two individuals are of the same species
Explanation:
It also involves stereotyped behaviours. Courtship behaviour informs a potential mate that the intention is breeding and not aggression.
Please give brainliest
Answer:
Courtship can be defined as the behavior used to obtain copulation with a partner, or to maintain reproductive interactions with an existing partner.Courtship, in animals, behaviour that results in mating and eventual reproduction. Courtship may be rather simple, involving a small number of chemical, visual, or auditory stimuli; or it may be a highly complex series of acts by two or more individuals, using several modes of communication.It help strengthen a pair bond that may last through the raising of the young or even longer.Courtship is its use as an isolating mechanism, a method of keeping different species from interbreeding.
what do you think will happen when i put a leaf discs saturated with a sodium bicarbonate solution and put it under a lamp ? will it sink or float and why ? can someone help me rq will give 30 points
Answer:
the leaf disk should float because bicarbonate is the source of its oxygen for photosynthesis and it releases oxygen into the interior of the disk causing it to float.
Explanation:
The thing which would happen if leaf discs are saturated with a sodium bicarbonate solution and put under a lamp is:
The leaf disk would floatAccording to the given question, we can see that there is an experiment which is taking place as a leaf disc is placed in a solution of sodium bicarbonate under a lamp.
As a result of this, we can see that the source of oxygen for the leaf disk is the bicarbonate and when the chlorophyll in the plant reaches out to the lamp for photosynthesis, it would make the leaf disk to float.
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What happens when the most limiting
factor in an ecosystem is removed?
A. population growth increases
B. neutral population growth
C. population growth ceases
D. nothing happens
Answer:
A. Population growth increases
Explanation:
When the growth is no longer being limited by a limiting factor, the population increases because the factor that limits the growth is gone.
At the completion of meiosis I, are the cells diploid or haploid? Explain.
Answer:
During meiosis I, the cell is diploid because the homologous chromosomes are still located within the same cell membrane. Only after the first cytokinesis, when the daughter cells of meiosis I are fully separated, are the cells considered haploid.
9. Since the aphotic zone does not receive enough sunlight for photosynthesis, plankton are not present.
What is basis of the food chain here?
Answer:
The answer is detritus.
Explanation:
Science is the study of living beings only.
True
False
Answer:
false
Explanation:
because its not
asdfbadsfadfafadfasdbbl?
Answer:Ahhsjjsnsjsjsjkekdjnsksks
Explanation:
hshsjjsjswk!
HELP NEED ANSWER IN AT LEAST 5 MINUTES will give brainliest All of the following are apart of the cell theory except: O All cells carry out the life process O All cells within multicellular organisms are identical O All organisms are made of one or more cells O All new cells come from pre-existing cells
Answer:
All organisms are made of one or more cells. O All cells carry out life processes. O All…
Explanation:
describe the factors that influence the declining of Amphibians population
Answer:
Hypothesized causes for the declines include habitat destruction (the most obvious cause), climate change, pathogens, introduced exotic species, pollution, and increased UV radiation. These agents may act alone or in combination to contribute to the decline of amphibian populations.
Explanation:
I think this is the answer
Hope it helps you
Answer:
A few causes for the declines in the Amphibian population include habitat destruction, climate change, introduced exotic species, germs or pathogens, pollution increases, and increased UV radiation. These things may act alone or in combination to contribute to the decline of amphibian populations.
Here are 9 factors that have impacted the amphibian population
Insects are attracted to lights making them scarcer within the amphibian habitats.
Habitat modification.
Habitat fragmentation.
Pollution and chemical contaminants.
Ozone depletion, ultraviolet radiation and cloud cover.
Disease.
Introduced predators.
Increased noise levels.
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Miss Hawaii
What effect did meteor strikes have on the early
formation of Earth's crust?
Which term can avoid traveling through a solid, a liquid, or a gas?
The term that can avoid traveling through a solid, a liquid, or a gas is "electromagnetic radiation" or "light."
Electromagnetic radiation: Electromagnetic radiation refers to the propagation of energy in the form of waves or particles through space. It includes various types of radiation, such as visible light, radio waves, microwaves, X-rays, and gamma rays.Traveling through solids: Solids have a tightly packed arrangement of atoms or molecules, which makes it difficult for electromagnetic radiation to pass through them. The particles in solids interact with the radiation and absorb or scatter it, preventing its transmission.Traveling through liquids: Liquids have a less rigid arrangement of particles compared to solids. While some electromagnetic radiation can pass through liquids, it may be partially absorbed or scattered due to interactions with the liquid molecules.Traveling through gases: Gases have widely spaced particles, allowing electromagnetic radiation to travel more freely compared to solids and liquids. However, certain gases can still interact with specific types of radiation, such as absorbing certain wavelengths or causing scattering.Overall, electromagnetic radiation, or light, has the unique property of being able to propagate through a vacuum, which means it can travel through space where there is no matter present, as well as through various mediums, including gases, liquids, and solids.
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Have you ever saved someone's life?
Answer:
yes a cats live I saved her because a truck almost hit her
★ « Have you ever saved someone's life? » ★
I'm being honest and my answer is no because no one's life is in danger beforplease help me with this i’ll give brainlist
Answer:
(a) base
none of the other make sense
What is the most complex level of organization in living things
Answer:
the biosphere
Explanation:
The highest level of organization for living things is the biosphere; it encompasses all other levels. The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Which of the following is NOT a function of the skeletal system?
a. contraction
b. blood cell production
c. support
d. protection
Answer:
blood cell production
Explanation:
ur welcome!
b
Explanation:
it is part of the vein system
After their marriage, Calle will be covered by her husband's health insurance. Calle is ethical in completing her application for this coverage and mentions the
MS diagnosis. But she has questions. Where could Calle get information as to whether or not the insurance company will cover her expensive medications for
this disease?
Callie can get complete information about health insurance with the specific insurance company that will cover her after the marriage.
Health insurance has the purpose of covering medical expenses of users and making health services more accessible. Health insurance as other types of insurance is regulated by strict rules that define:
The members or people that are covered by the health insuranceThe services coveredThe exceptions and conditions for coverageAdditionally, each health insurance company has slighlty different regulations. Based on this, the best option for Callie is to contact the specific company to obtain valid and complete information to answer her questions.
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Biology 3.01
1. What differences can you see when you compare the nucleus of a dividing cell with that of a non-dividing cell?
Answer:
chromosomes will be seen in the nucleus of the dividing cell because they are visible when a cell is dividing apposed to non-dividing cells.
Explanation:
Answer:
chromosomes will be seen in the nucleus of the dividing cell because they are visible when a cell is dividing apposed to non-dividing cells.
Explanation:
Please hurry its timed
Answer:
I feel like its combustible
5.202/0.45
please explain out how to get the answer
Answer:
use a calculator I'm a genius
Explanation:
do you mean you don't know how to figure out the question? or you don't know how to divide decimals
Answer:
11.56
Explanation:
___11.56
450 | 5202.00
-450
702
-450
2520
-2250
2700
-2700
0
A white rooster (WW) is crossed with a black-and-white-speckled hen (Ww).
The hen lays eight eggs. Draw a Punnett square to show the possible genotypes of
the chicks that will hatch.
Answer:
The genotypes are shown in purple
Hope this helps!
A white rooster (WW) is crossed with a black-and-white-speckled hen (Ww).
The hen lays eight eggs.
What is incomplete dominance?Incomplete dominance is a form of Gene interchange in which both alleles of a gene at a locus are somewhat expressed, often resulting in a medium or separate phenotype.
It is also known as partisan dominance.
For Example in roses, the allele for red colour is dominant over the allele for white colour.
Thus, A white rooster (WW) is crossed with a black-and-white-speckled hen (Ww).
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The visual represents a karyotype of an individual with Down Syndrome, a genetic disorder that causes affected individuals to have delayed development, intellectual disability, and a distinct facial appearance.
Based on the karyotype shown, what TWO genetic changes or events lead to Down syndrome?
A
having a missing chromosome
B
having an extra chromosome
C
an insertion mutation
D
a deletion mutation
E
nondisjunction
Answer: a and c
Explanation:
1) Why does the addition of dideoxynucleotides to the DNA sequencing reaction cause DNA synthesis to stop after the modified nucleotide is added?
A)Because once a modified nucleotide is incorporated into the DNA, there is no free 5'OH group to attach the next nucleotide being added.
B)Because once a modified nucleotide is incorporated into the DNA, there is no free 3'PO4-group to attach the next nucleotide being added.
C)Because once a modified nucleotide is incorporated into the DNA, there is no free 3'OH group to attach the next nucleotide being added.
D)Because once a modified nucleotide is incorporated into the DNA, there is no free 5'PO4-group to attach the next nucleotide being added.
In Sanger sequencing, once a modified nucleotide is incorporated into the DNA, there is no free 3'OH group to attach the next nucleotide being added. This phenomenon is useful to sequence a polynucleotide chain.
Dideoxynucleotides (ddNTPs) are nucleotide inhibitors of the DNA polymerase, it is for that reason that they are used in Sanger sequencing.
The ddNTPs are similar to natural deoxynucleotides used by cells during ADN replication; however, ddNTPs lack a hydroxyl (OH) group on the 3’ carbon of the deoxyribose.
In consequence, once a ddNTP is added, DNA synthesis cannot progress, thereby this phenomenon can be used to determine the order of nucleotides during the elongation of a polynucleotide DNA chain.
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12. What is true of a chemical change?
A.
C.
They do not create new substances
It cannot be seen on the molecular
level
B.
It cannot be smelled
D.
The do create new substances
Answer:
D
Explanation:
many chemical changes can be smelled, or heard, etc. And can be seen on a molecular level. Chemical changes create new substances:
Na + Cl = NaCl
is cloud and moisture the same
no, it can definitely get in the cloud
Answer:
I'm pretty sure that clouds and moisture are not the same thing
Explanation:
HELP WILL GIVE BRANLIEST
Answer:
Respiration removes oxygen from the atmosphere, and photosynthesis puts oxygen into the atmosphere.
Explanation:
Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.
why fertilizer is important
Answer:Fertilizers provide crops with nutrients like potassium, phosphorus, and nitrogen, which allow crops to grow bigger, faster, and to produce more food. To grow, plants require nitrogen compounds from the soil, which can be produced naturally or be provided by fertilizers.
Explanation:
Jane is doing an experiment to find out how the size of a bowl affects the growth of the goldfish living in that bowl. She has three identical goldfish. She puts them in three bowls of different sizes. Every day, Jane looks at the goldfish in each bowl. In addition to looking, what should she do?
Answer:
maybe she should feed the gold fish
She should change the water she should change the container to see the change 'cuz there will be a change.
Answer:
C: Record her observations each day
Explanation:
I got it correct.
Which of the following is an extremely dense form of connective tissue?
Answer:
the breast tissue
Explanation:
Tendons and Ligaments are the extremely dense form of connective tissue.
What are dense connective tissues?Dense connective tissue is also known as dense fibrous tissue which is a form of connective tissue composed mostly of fibers. These fibers are made of type I collagen which are rows of fibroblasts, the fiber-forming cells that make up the fibers, filled in between the collagen strands.
Tendons and ligaments are strong, rope-like structures which is formed by dense connective tissue where tendons connect skeletal muscles to bones, while ligaments connect bones at joints.
Ligaments have more elastic fibers which are more extensible than tendons. This connective tissue is found in the lower layers of the skin known as Dermis, where it is structured in sheets.
Thus, Tendons and Ligaments are the extremely dense form of connective tissue.
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when you open a solid room air fresher the solid slowly loses mass and volume. how do you think this happens
Which of the following correctly orders events during mitosis?
a) Microtubules organize the chromosomes. The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes.
b) The nuclear membrane dissolves. Microtubules organize the chromosomes. The mitotic spindle attaches to chromosomes.
c) The nuclear membrane dissolves. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes.
d) The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
The answer option which correctly orders events during mitosis is: D. The mitotic spindle attaches to chromosomes. Microtubules organize the chromosomes. The nuclear membrane dissolves.
Mitosis can be defined as a type of cell division (duplication) through which a single or one (1) parent cell produces two (2) genetically identical daughter cells.
In Biology, duplication division refers to a process in which two (2) genetically identical daughter cells produced by one (1) parent cell have the same number of chromosomes as their parent cell.
Furthermore, the correct order (sequence) of events during mitotic division in living organisms include the following:
1. The mitotic spindle (spindle fibers) of microtubules attaches to chromosomes.
2. The chromosomes found in a sex cell are organized by microtubules.
3. The nuclear membrane is then dissolved.
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Answer: it is b
Explanation:
Explain why energy from the sun is essential for the cycling of nutrients
Answer:
light energy is needed in photosynthesis or else the plant will die. no light no starch no starch no life rip