Answer:
The correct answer is 4.2105.
Explanation:
The birth rate is the period of the total number of individuals with live births per 1,000 population divided by the length of the period in years.
Birth rate = (live births/total population)*1000
= 4,000/950,000 x 1,000
= 4.2105
Thus, the correct answer is 4.2105.
Which of the following is a type of adaptation that animals can have?
Physical characteristics
Behaviors
Life cycle differences
I and II
I and III
II and III
I, II, and III
Answer:
Second option
Explanation:
I and II
A thermometer is placed in water in order to measure the water’s temperature. What would cause the liquid in the thermometer to drop?
Answer:
The kinetic energy of the water molecules decreases which causes the liquid in the thermometers to drop.
Explanation:
Hope this helped. Could you please make me Brainliest? It's alright if you don't though ☺️
4. Which of the following are extra senses that vertebrates may have? (Choose all that apply)
magnetoreception
proprioception
baroception
o nociception
Answer:
- Proprioception
- Magnetoreception
- Nociception
The following are the extra senses that vertebrates may have:
Magnetoreception. Proprioception.Nociception.Thus, the correct options are A, B, and D.
What is Vertebrate?Vertebrates may be defined as those groups of animals that possess a backbone or spinal column. It includes mammals, birds, reptiles, amphibians, and fishes.
Magnetoreception is a sense that allows the organisms to detect the senses of the Earth's magnetic field and responds to it. Proprioception may be defined as a sort of sense that allows your body abilities to sense movement, action, and location.
Nociception may completely depend on the sensory nervous system that process in response to encoding noxious stimuli.
Therefore, the correct options for this question are A, B, and D.
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1. Why is the nitrogen cycle important?
Answer:
Nitrogen is found in soils and plants, in the water we drink, and in the air we breathe. It is also essential to life: a key building block of DNA, which determines our genetics, is essential to plant growth, and therefore necessary for the food we grow.
Explanation:
Marke me a brainlistThe large number of alveoli in lungs improve gas exchange by ________. increasing the surface area for diffusion decreasing the distance for diffusion changing the diffusion constant increasing the concentration difference
Answer:
Explanation:
The large number of alveoli in lungs improve gas exchange by . increasing the surface area for diffusion
On an ECG, what does Ventricular Fibrillation mean?
A. Tachycardia, the heart is beating too fast.
B. There is no coordinated contraction of the heart, death is possible in minutes.
C. A lack of oxygen to the heart.
D. Brachycardia, the heart is beating too slow.
Answer:
A
Explanation:
I believe the answer is A because Ventricular Fibrillation means the heart is beating irregularrly, and too fast. Sometimes up to 500bpm
There is no coordinated contraction of the heart, death is possible in minutes. Therefore option B is correct.
Ventricular fibrillation (VF) is a life-threatening cardiac arrhythmia characterized by chaotic electrical activity in the ventricles, the heart's lower chambers.
During VF, the heart loses its ability to pump blood effectively, leading to a lack of blood flow to vital organs.
Without immediate intervention, such as defibrillation to restore a normal heart rhythm, the condition can rapidly progress to cardiac arrest and cause death within minutes.
Unlike tachycardia (A) or bradycardia (D), which involve abnormal heart rates, VF is a more severe and critical situation with disorganized electrical signals and ineffective pumping, requiring urgent medical attention.
Therefore option B There is no coordinated contraction of the heart, death is possible in minutes. is correct.
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As you read in this chapter, fungi have long formed symbiotic associations with plants and with algae. How may these two types of associations lead to emergent properties in biological communities
Answer:
Fungi show symbiotic association with algae and plants. With plants, they thrive as endophytes in a form of the symbiotic association. This symbiotic association results in the emergence of novel characteristics in the world of biology.
The lichens function as a tool in finding the quality of air, as they grow in the environment containing good air quality. The tolerance towards heat is another characteristic. Some of the endophytes are witnessed in the plants, which grow in very hot conditions.
At such conditions, no fungi or plant can thrive, however, in the symbiotic association, they possess the tendency to thrive. If one tries to separate them, it results in the death of both.
Explanation:
What. Is black i will mark as brinelist
simple. black. Is a color and it is dark
Explain briefly the forces that govern the upward movement of water and dissolved
mineral salts in plants.
tom of classification.
Answer:
The continuous evaporation of water (or transpiration) from the cells of a leaf crates a kind of suction which pulls up water through the xylem vessles. Thus, transpiration helps in the upward movement of water and dissolved minerals from the roots to the leaves through the stem.
Which of the following iS a possible future milestone in environmental policy?
a.
water pollution policy
b. implementation of a cap and
dividend policy
C.
mandatory environmental assessments
d environmental impact statements
Answer:
a. water pollution policy
Which is a compound that allows plants to get nitrogen from the nitrogen cycle?
Answer:
Plants can use ammonia as a nitrogen source. After ammonium fixation, the ammonia and ammonium that is formed will be transferred further, during the nitrification process. Aerobic bacteria use oxygen to convert these compounds.
which of the following is not a type of light microscope?
A. transmission electron microscope
B. phase contrast microscope
C. bright field microscope
D. stereo microscope
Answer:
A. transmission electron microscope.
Which process involves the body maintaining homeostasis? *
Which type of energy refers to the sum of potential and kinetic energies in the particles of a substance?
Answer:
The answer is Internal energy
KE + PE = IE
Explanation:
The sum of potential and kinetic energy is refers to mechanical energy which is expressed by motion
Answer:C for edge (internal energy)
Explanation:
The period of female fertility during each Month is short For fextilization to take place intercouce must occur each
a) A few hours before ovalation up to 4-5 days after avulation
b) Around 24 hours before ovulation up to around. 24 hours after ovulation
C) Sometimes between 2-3 days before ovulation upto 2-3 days after ovulation
d) Around 4-5 days before ovulation upto a few hours after ovulation
E) Around 4-5 days before ovulation upto 4-5. after ovulation.
Answer:
The so called fertility window is the days in the menstrual cycle when conception is ... Ovulation usually occurs 14 days prior to your period starting.
Explanation:
It isn't any of your selections but I hope it helped for the choices to decide which one would go to the paragraph I have given
i want some questions on mental health concerns on pandemic based on yes or no please give me questions
Answer:
pendemic effect our society and then make many people stress/mental illness. yes or no
Explanation:
question that relate to what you want
What is a major role that fungi play in ecosystems
Answer:
Fungi play a crucial role in the balance of ecosystems. They colonize most habitats on earth, preferring dark, moist conditions. They can thrive in seemingly-hostile environments, such as the tundra. However, most members of the Kingdom Fungi grow on the forest floor where the dark and damp environment is rich in decaying debris from plants and animals. In these environments, fungi play a major role as decomposers and recyclers, making it possible for members of the other kingdoms to be supplied with nutrients and to live.
Explanation:
Answer from Gauth math
Question 12 of 20
When a substance changes from a solid to a liquid, what happens to the
motion of its particles?
A. They move more slowly and become fixed in position.
B. They move at the same speed but in random directions.
C. They move more quickly and independently.
O D. They move more quickly and begin to move past one another.
SUBMIT
Answer:
Option C
(You could visualise ice to water for an example)
In butterflies, having red antennas (denoted by “R”) is dominant to having white antennas (denoted by “r”). If both parents are heterozygous for red antennas, what are the predicted Phenotypic outcomes of their offspring? (hint: a punnett square will help you determine this).
In butterflies, having red antennas (denoted by “R”) is dominant to having white antennas (denoted by “r”). If both parents are heterozygous for red antennas, what are the predicted Genotypic outcomes of their offspring? (hint: a punnett square will help you determine this).
All the offspring of a cross between a black-eyed mendelien and an orange-eyed mendelien have black eyes. What is the expected F2 phenotypic ratio of a cross between two F1 black-eyed mendeliens?
A) 1 black-eyed:1 orange-eyed
B) 3 black-eyed:1 orange-eyed
C) 1 black-eyed:3 orange-eyed
D) 1 black-eyed:0 orange-eyed
The phenotypic ratio of the cross is as follows: 3 red antennas: 1 white antenna
For question 2, the phenotypic ratio of the F2 generation is: 3 black-eyed: 1 orange-eyed
QUESTION 1
According to the first question, a gene coding for antenna color in butterflies is involved. Red antennas (“R”) is dominant to white antennas (“r”). Hence, a butterfly with genotype "Rr" will be phenotypically red.
According to this question, If both parents are heterozygous for red antennas i.e. Rr (red antenna) × Rr (red antenna), the following gametes will be produced: R and r. Using these gametes in a punnet square (see attached image), the following phenotypic ratio of offspring is produced:
3 RED ANTENNAS (RR, Rr, Rr) : 1 WHITE ANTENNA (rr)
2. In the second question, all the offspring of a cross between a black-eyed mendelien (BB) and an orange-eyed mendelien (bb) have black eyes (Bb). In a cross between two F1 black-eyed mendeliens i.e. Bb × Bb, the following proportion of offspring is produced:
BB, Bb, Bb, bb
Hence, a phenotypic ratio of 3 black-eyed: 1 orange-eyed
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describe in brief the structure of honeybees
Answer:
The body of the honey bee is segmented: stinger, legs, antenna, three segments of thorax and six visible segments of abdomen. The head of the honey bee consists of the eyes, antennae and feeding structures. The thorax of the bee consists of the wings, legs and the muscles that control their movement.
Answer:
The body of the honey bee is segmented: stinger, legs, antenna, three segments of thorax and six visible segments of abdomen. The head of the honey bee consists of the eyes, antennae and feeding structures. The eyes include the compound eye and the simple eye.The thorax of the bee consists of the wings, legs and the muscles that control their movement.
What is the best description of the word 'Variation' in biology?
O A. Differences between individuals of a species, and between different species.
OB. A large group of completely different items.
C. The differences between different parts of the same organism.
D. Change over time of a species.
Variation in biology is best delineate because the variations between people of a species, and between completely different species.
What is Variation?Variation refers to the variations or deviations from the recognized norm or commonplace. it's going to be a modification in structure, type or operate in associate degree organism, deviating from alternative organisms of identical species or cluster.
In genetic science, variation refers to a personal that possesses characteristics completely different from the others of identical kind. Genetic variation sometimes arises as a mutation sequence that encodes a super molecule or an polymer.
Variations is also mirrored within the composition of the individual, e.g. a distinction in size, color or pattern, or is also detectable solely by deoxyribonucleic acid or super molecule sequencing.
A given variant is also the results of changes during a single sequence, or the consequence of interactions among multiple genes. Populations of identical species living in several components of the globe is also characterized by specific sets of variations.
Variation will, therefore, be measured at the individual level, i.e. variations between individual individuals during a family or population, or at the population level, i.e. variations between populations living in several regions.
The different kinds of variations are:
Environmental factors - Composition variation known as environmental variation.
Inherited factors- The variation passed on from oldsters to offspring, via genes, throughout copy is named heritable variation.
What is Specie?A species is that the basic unit of classification associate degreed a assortment rank of an organism, furthermore as a unit of variety.
A species is outlined because the largest cluster of organisms within which any 2 people of the suitable sexes or sex activity sorts will turn out fertile offspring, usually by amphimixis.
Other ways in which of shaping species embody
- makeup,
- desoxyribonucleic acid sequence,
- Morphology,
- Behavior or condition.
In addition, paleontologists use the idea of the chrono species since fossil copy can not be examined
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Which of the following would be most likely to increase erosion rates?
A. A coastline with a well defined beach.
B. Waves breaking at the foot of a cliff
C. Waves with a very long fetch (have traveled far).
D. All of these
Answer:
D
Explanation:
we all need that all of then helps to increase erosion rates
The photic zone Select one: a. has the most nutrients closer to land. b. is an area with sufficient light for photosynthesis. c. has an abundance of photosynthetic organisms. d. is very shallow. e. All of the answer choices are correct.
the answer for this would be E
The photic zone has the most nutrients closer to land, an area with sufficient light for photosynthesis, has an abundance of photosynthetic organisms, and is very shallow, Thus, the correct option for this question is E, i.e. all of the following.
Where is the photic zone present in the aquatic ecosystem?The photic zone present in the surface layer of the aquatic ecosystem significantly receives sunlight for photosynthesis. It is the topmost layer that receives sunlight. Hence, this zone is also known as the Sunlight zone.
According to the question, due to the sufficient availability of sunlight, this area performs a good rate of photosynthesis and occupies an abundance of photosynthetic organisms. Phytoplanktons are the characteristic members of this region. As this region has sufficient availability of light, the concentration of nutrients is highly rich.
Therefore, according to the photic zone, the correct option for this question is E, i.e. all of the following.
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In a mob, all it takes is one dominant and electric individual to convince people to act through the
effect.
Answer:
Yes.
Explanation:
Yes, In a mob, one dominant and electric individual has the ability to convince people to act through the effect. This individual is the person who bring these people to fight for their rights and all the people of the mob obeys his orders and he is the only person who can stop these people from causing trouble and violence. All the people in the mob considered him their leaders and follow him in every decision.
Porque crees que las personas llegan a consumir sustancias psicoactivas
Answer:
La causa exacta del consumo de drogas se desconoce. Los genes de una persona, la acción de las drogas, la presión de compañeros, el sufrimiento emocional, la ansiedad, la depresión y el estrés ambiental pueden ser todos factores intervinientes.
Explanation:
15. Assuming the fluorescence threshold is set to be 1. Which gene has the highest gene expression rate? What is the Ct value? Gene with highest expression = ______________ Ct value = _______________
Answer:
The correct answer is - Gene 1 and 14.5 (or 14).
Explanation:
The cycle threshold is denoted as Ct value. It is the cross point at the threshold line meets with fluorescence signal reaction curve. In the given RTpcr experiment, the threshold line is fluorescence intensity 1 thus, Ct value for each gene will be the point at which each curve meets the fluorescence intensity line at 1. Ct value of is inversely proportional to amount of nucleic acid in the given sample.
Here, the Ct for gene 1 is the lowest, so the amount of DNA would be highest.
Gene with highest expression= Gene 1
Ct value= 14.5
Question 4 of 20
Which energy transfer occurs when a cube of ice is placed in a glass of
water?
A. The chemical energy of the ice is transferred to the liquid water.
B. The nuclear energy in the water molecules is released from the ice
into the liquid water.
C. Gravitational potential energy is transferred from the liquid water
to the ice.
O D. Thermal energy is transferred from the liquid water to the ice.
SUBMIT
Answer:
option (D) is the right answer
PLEASE HELP ASAP FAST
Answer:
B.UAA is correct answer
The change that occurs at point C could be caused by Multiple choice question. A) increased predation by wolves. B) a wet year with increased vegetative growth. C) increased competition from moose herds. D) a dry year with decreased vegetative growth.
Answer:
The answer is "Option B"
Explanation:
A wet season with increased plant growth is indicated by the fact that the population of Elks from beginning point C attained maximum population size (K100) and remained stable until point D. That's why the difference at point C could be due to the a wet year still higher plant growth.
Basidia within a basidiocarp are obvious for mushrooms, but this may not be as obvious for other examples that you have observed. For each of the examples of basidiomycetes that you have observed, speculate about the location of structures analogous to the basidia observed in mushrooms. Think about the formation of spores by meiosis.
a. bird's-nest fungi
b. common puffballs
c. earthstar puffball
d. shelf fungi
e. corn smut
Answer:
Birds nest fungi: Basidicarp, a cup shaped with several lenticular bodies appear as bird's nest with eggs. The eggs are called the peridioles and the nest serves release the eggs onto the twigs or branches and spores are liberated .
common puffball: The young fruit body is covered with whitish spines that become mark of scar after maturity.
Earth star puff balls: The fruiting body is in the shape of an egg, it has an outer part that separates away from the inner basidiocarp and splits into several rays which curve backwards and resembles a star.
shelf fungi: The fruiting body develops on the tree trunks and termed conk which are tough and leathery often plate-like growing out of the tree trunks.
corn smut: The diploid teliospores germinate and undergo meiosis to result in four haploid basidiospores.
