Answers
Answer:
2
Explanation:
Going down hill, kenetic is moving motion.
Related Questions
How does anaphase II differ from anaphase I?
Answers
Answer:
In anaphase II, the sister chromatids separate, and in anaphase I the homologous chromosomes separate.
Anaphase I and II, part of meiosis, differ based on what is being separated. Anaphase I separates homologous chromosomes while anaphase II separates sister chromatids.
Explanation:The major difference between anaphase I and anaphase II is the separation of different structures. In anaphase I of meiosis, homologous chromosomes are separated, while in anaphase II, the sister chromatids are separated. It means, that in anaphase I, the paired chromosomes (tetrads) move to opposite ends of the cell, whereas in anaphase II, the sister chromatids of each chromosome split apart and move to opposite ends of the cell.
This difference is because anaphase I occurs during the first meiotic division (meiosis I), where cells are reduced from diploid to haploid. Whereas, anaphase II happens in the second meiotic division (meiosis II), which does not reduce chromosome counts and is, therefore, more similar to mitosis.
Learn more about Anaphase I vs Anaphase II here:https://brainly.com/question/34190140
#SPJ6
Which term does NOT belong with the others?
photosynthesis
autotroph
algae
mushroom
Answers
Answer:
mushroom
Explanation:
Cause they cant do photosinthesis and they are not autotrophs.
(please Brainlies)
SEEEE ATTACHHHHHMEEENNTTTTSS!!!!!
Answers
Explanation:
For question no 19
Force (F) = 20N
distance (d) = 5m
Work = F * d
= 20 * 5
= 100 J
Now
For question no 20
D. No matter how much force is applied the object must have motion for work to be done.
Answer:
The 19 is A and the 20 is D
Explanation:
Work done is N *m
So it gonna be 20N*5m
Giving 100J
The 20 work is only done when the object sets into motion
Which statement best describes the relationship between changes in air pressure and wind speeds?
When a high- and a low-pressure air mass are far apart, air moves quickly from low to high pressure.
When a high- and a low-pressure air mass are far apart, air moves quickly from high to low pressure.
When a high- and a low-pressure air mass are far apart, air moves slowly from high to low pressure.
When a high- and a low-pressure air mass are close together, air moves slowly from high to low pressure.
Answers
The statement that best describes the changes in air pressure and wind speed is related to the high pressure and low pressure that is different in the winds.
The region with low pressure will always get winds from the high pressure. This means that the region of low will attract winds from the high pressure and vice versa.This is due to the temperature and pressure difference.
Thus the option C is correct.
Learn more about the relationship between changes in air pressure and wind speeds.
brainly.com/question/1429912.
Answer: C
Explanation: Took the tes
A tree that can be found in the mountains and produces seeds in cones is a type of.......
Answers
Answer:
Connifer
Explanation:
Why do geologists need a geologic time scale? Give 2 reasons.
Answers
Answer:
Explanation: It is used by geologists, paleontologists, and other Earth scientists to describe the timing and relationships of events that have occurred during Earth's history. Like the periodic table, the Geologic time scale is one of those amazing human endeavors to turn a vast amount of evidence from astronomy, rocks, fossils, history and politics into a nifty little diagram which makes the whole thing appear nice, neat and resolved.
Answer:The main reason to use a geologic time scale is so that geology in a given place can be given a location in time.
Explanation:(here is the only one i could find)
A mutation near the middle of a gene changes the DNA to the following nucleotides: ATT. What
kind of mutation occurred in this situation?
A) missense mutation
B) nonsense mutation
C) silent mutation
D) none of these
Answers
Answer:
A mutation near the middle of a gene changes the DNA to the following nucleotides: ATT. What kind of mutation occurred in this situation?
missense mutation
Explanation:
Inherited traits are traits that children get from their parents through
A.imitating their parents.
B.genes
C.Infections
D.sharing their parents' environment.
Correct answer is: B. Genes
Answers
Answer:
B: Genes
Explanation:
Parents give their traits by genes
Answer:
B. Genes
Explanation:
Genes are what provide inherited traits to offspring through a process called heredity.
Which list contains only abiotic conditions that might be found in a pond ecosystem? *
1 point
Temperature of the water, green plant populations, dissolved minerals in the water
Temperature of the water, dissolved oxygen in the water, dissolved minerals in the water
Bacteria, dissolved minerals in the water, temperature of the water
Dissolved oxygen in the water, fish populations, insect populations
Answers
Answer:
Temperature of the water, dissolved oxygen in the water, dissolved minerals in the waterExplanation:
Abiotic conditions strictly comprises on non-living elements. In the first statement, green plant population is mentioned which is a biotic factor.
In the 3rd statement, bacteria are listed which are biotic entities. Their presence suggest the involvement of biogeochemical cycles in the lake, thus, highlighting both biotic and non-biotic conditions.
In the 4th statement, fish and insect population is mentioned which are also biological entities.
Only second statement is correct because it essentially talks about the abiotic conditions such as temperature, dissolved oxygen and dissolved minerals. Although these parameters could affect the life inside the pond (which cannot be exculded in reality); nevertheless, the need of statement is to identify only those parameters which are abiotic.
Foaung Log
A log was cut from a tree and put in water. The log floated on its side so that half the log was above the water surface
Another log was cut from the same tree. This log was twice as long and twice as wide. How does the larger log float
compared with the smaller log?
1. Choose the best answer.
• More than half of the larger log floats above the water surface.
Half of the larger log floats above the water surface
Less than half of the larger log floats above the water surface
Answers
Answer:
The larger log floats the same as the smaller one, so the correct answer is that half of the larger log floats above the water surface (second option).
Explanation:
An object's ability to float when in water depends on its density, so two objects with different densities will float differently. Density is the relationship between the mass and volume of a material.
Objects with low density float more than denser objects, regardless of the amount of material.
Since the trunks come from the same tree, it can be assumed that they both have the same density, so they will float the same way, regardless of the size of each one.
Learn more:
Density calculation https://brainly.com/question/952755
Which statement best exemplifies the biodiversity of an ecosystem?
A small pond has about 1,300 organisms and 26 different species living in it.
A small forest supports a population of 35 elephants.
A desert receives some rainfall, which supports several species of plants.
A pond is home to animals that are able to live in the polluted water.
Answers
A small pond has about 1,300 organisms and 26 different species living in it best exemplifies biodiversity of an ecosystem
Explanation:
Biodiversity simply defines the number of variety along with variability of organisms in an ecosystem.
Biodiversity is the result of diversity among different species and within a species. Hence, a small pond with 1300 organisms belonging to 26 different species exemplifies biodiversity best.
Although the pond may be small, it may support optimal living conditions for various types of organisms to grow and multiply in number and to live together in the aquatic ecosystem.
The statement 'A small pond has about 1,300 organisms and 26 different species living in it' best exemplifies biodiversity, as it indicates high species richness and population size.
Explanation:In the context of biology, biodiversity refers to the variety of life in a particular habitat or ecosystem. It can be measured by the number of different species present and their population sizes. Among the options presented, 'A small pond has about 1,300 organisms and 26 different species living in it' is the option that best exemplifies the biodiversity of an ecosystem. This is because it gives us an indication of a high species richness (26 different species), and a large total population size (1,300 organisms), leading to a high biodiversity. The other options do not provide enough information about the variety of species and their individual populations.
Learn more about Biodiversity here:https://brainly.com/question/31868583
#SPJ6
Describe the difference between a gene mutation and a chromosomal mutation.
Answers
Answer:
Gene mutation is a change in the nucleotide sequence, in a particular gene, whereas chromosomal mutation is a change in several genes, in the chromosome. Gene mutation is only a slight structural alteration, whereas chromosomal mutations are either numerical or structural changes in the entire DNA strand.
Explanation:
A gene mutation is a change in the smallest unit of a gene, affecting a single nucleotide or a few of them, while a chromosomal mutation is a change that affects an entire chromosome or large parts of it, causing large-scale genetic changes.
Explanation:A gene mutation refers to a change in the smallest unit of a gene, specifically at the nucleotide level. For example, one nucleotide may be replaced by another, or perhaps extra nucleotides may be inserted or deleted altogether. This, in turn, may affect the translation and the subsequent products created by that gene.
On the other hand, a chromosomal mutation is a change that affects the entire chromosome or large parts of it. It can involve deletions, duplications, or rearrangements of large segments of the DNA within the chromosome. An example could be Down's syndrome, which is a result of an extra copy of the 21st chromosome.
As you can see, the main difference between a gene mutation and a chromosomal mutation lies in the scale of the change, with gene mutations being smaller, more localized changes, and chromosomal mutations being changes on a larger scale.
Learn more about Gene and Chromosomal Mutations here:https://brainly.com/question/31694164
#SPJ3
If the genotypes for baldness are B for the dominant allele and b for the recessive allele, what would the genotype be for a person who was Heterozygous Dominant for baldness. Remember the answer has to be two letters.
Answers
Answer: Bb
Explanation: a heterozygous genotype will always result in the dominant phenotype
The image shows Isotherms on a map.
What temperature pattern do the isotherms show?
A. lemperatures increase from south to north.
B. There is a zone of low temperatures in the Southwest.
C. There is a zone of high temperatures in the center of the country.
D. Temperatures increase from the center of the country toward the Southwest.
Answers
Answer:
According to the information on the map, the temperature pattern showing the isotherms is temperatures increase from the center of the country toward the Southwest (option D).
Explanation:
Isotherms are lines drawn on a map to show areas that -according to their geographical characteristics- have the same temperature level. with the same temperature levels.
On the map presented, an increase in temperature from north to south can be clearly seen, with the temperature in the centre (20°) showing a pattern of increase towards the southwest (30, 40 and 50°).
Learn more:
Isotherms https://brainly.com/question/11775811
Answer:
According to the information on the map, the temperature pattern showing the isotherms is temperatures increase from the center of the country toward the Southwest (option D).
Explanation:
Explanation: Isotherms are lines drawn on a map to show areas that -according to their geographical characteristics- have the same temperature level. with the same temperature levels.
Which of the following best describes a dichotomous key?
A. Uses a branching diagram called a cladogram to show relationships
B. Identifies plants by a series of choices between pairs of alternatives
C. is the systematic arrangement of plants into groups and subgroups based on common characteristics
D. Is a type of plant classification which uses a hierarchy system for classification
Answers
Answer:
i think it is c
Explanation:
It seems to be a logical answer.
The two most crucial aspects of a good key are that it presents two opposing options for each pair of clues, and that it gradually reduces the number of potential objects or organisms so that identification is achievable. Thus, option C is correct.
What are the best features of dichotomous key?Taxonomy is the systematic division of living things into groups based on what are thought to be their natural relationships.
The process of naming items or groups of things in accordance with their placements in a hierarchy is known as taxonomy.
An instrument that aids in identifying an unidentified organism is a dichotomous key. A dichotomous key is a set of statements with two possible answers that list traits of the unknown entity.
Therefore, dichotomous key is the systematic arrangement of plants into groups and subgroups based on common characteristics.
Learn more about dichotomous key here:
https://brainly.com/question/2235448
#SPJ2
Carbon dioxide goes from a solid to a gas without becoming a liquid. This is a chemical change.
True
False
Answers
Answer:
I think its true
Explanation:
hope this helps
A scientist found a new species in a rain forest. The species was small and green in color. She examined one of its many cells and found that the celll has a nucleus but no cell wall. To which kingdom does this species most likely belong?
Answers
This species most likely belong to the animal kingdom, because it is multicellular with no cell wall.
Members of the kingdom Animalia are eukaryotes (organisms with true nucleus), multicellular and their cells do not have cell wall. If the cell had a cell wall, the specie could be a plant or fungi, but it does not have a cell wall so it is an animal. Animals exist in various sizes and colors and their cells contain many organelles that perform several functions that are important for their survival.
Answer:
animals, because it is multicellular with no cell wall
Explanation:
animals, because it is multicellular with no cell wall
How does natural selection work regarding individuals and populations regarding which will be most successful?
Answers
Answer:
Natural selection doesn't really choose what animal/species is going to survive it's all based on the environment they live in. While a blue bird does well in the jungle it may not do well in the desert. For individuals it's based on their genes and genetics. Some are more prone to have a trail that doesn't benefit them and in fact, harms them in their environment. For populations you will see lots of the same animals but with different traits so some may do better in the wild than others because of those traits. A population is more likely to be successful because you do better when working with others. So animals have a better chance to survive if there is more diversity.
The transition of light colored moths in an original population into dark colored moths after natural selection occurs is a classic example of
Directional selection.
Disruptive selection,
Normal selection.
Sexual selection.
Answers
Correct option is A. The shift from light to dark-colored moths due to environmental changes during the Industrial Revolution is an example of directional selection, as the darker moths had a higher survival rate.
The transition of light-colored moths to dark-colored moths in an original population after natural selection occurs is a classic example of directional selection. During the Industrial Revolution in nineteenth-century England, the environment changed due to the soot from factories darkening the trees. This led to light-colored peppered moths, which were originally well-camouflaged, becoming more visible to predators, while dark-colored moths became more camouflaged. As a result, the dark-colored moths had a higher survival rate, leading to an increase in their frequency over time, shifting the moth population from light to dark.
How did scientists determine SM0313 is the oldest star ever discovered?
Answers
Answer:
The star sm0313, was discovered using the ANU skymapper telescope at the siding spring observatory and later confirmed by the megellan telescope in Chile. Somewhat surprisingly, it's located a "mere" 6,000 thousand light-years away, they origins date back to the beginning of time.
Answer:
-It was discovered using the ANU skymapper telescope. Scientists found that it is a good 6,000 lightyears away, dating back to the beginning of time.
Explanation:
Some steps in cell division are shown below:
1. Chromosomes condense and pair up
2. Segments of DNA of sister chromatids twist and cross
3. Exchange of DNA occurs between chromosomes
4. Four daughter cells are created that are haploid
Which of the following steps is least likely to occur during meiosis 1?
A) Step 1
B) Step 2
C) Step 3
D) Step 4
Answers
Answer:
D. step 4
Explanation:
the cell divides into two daughter cells during meiosis 1
Answer:step 4
Explanation:
In meiosis, the breaking up of chromosomes occur to form new daughter cells. The chromosomes break into haploid parts and then the two daughter cells formed then twist and exchange their genetic information. Division into four daughter cells is less likely to occur during meiosis 1.
What is some of the evidence for speed at which glaciers are melting
Answers
Answer:
The main evidence of glaciers melting is the melting of Alaska's Muir glaciers.
Explanation:
The main reason of melting of glaciers is the increase in temperature due to more emissions of greenhouse gases such as carbondioxide and methane gases. These greenhouse gases trap reflected solar radiation which increases the atmospheric temperature cause global warming. This global warming is responsible for the increase in sea level due to glaciers melting.
Which organism is a primary consumer? (see attached diagram, please explain answer)
krill
elephant seal
squid
penguin
Answers
Antarctica can be classified as arid as well as polar. Explain.
Answers
Antarctica is both arid and polar because it receives very little precipitation, averaging less than 10 inches per year, which qualifies it as a desert despite being ice-covered. Dry conditions are caused by high-pressure polar highs and air circulation influenced by the Coriolis effect. The interior of the continent, as well as other polar regions, can be classified as high-latitude deserts due to extremely low temperatures and distance from moisture sources.
Antarctica can be classified as both arid and polar due to its climate conditions. While often being synonymous with ice and snow, Antarctica meets the criteria for a desert because it receives extremely low annual precipitation, averaging fewer than 10 inches a year. The majority of this precipitation falls as snow, with coastal regions receiving more snowfall, up to four feet annually, while in the interior near the South Pole, it may only be a few inches.
The reasons behind the aridity include the presence of two high-pressure systems, or polar highs, leading to very dry conditions. Cold sinking air is incapable of holding much moisture, which is exacerbated by the region's distance from moisture sources and the Coriolis effect that influences the polar easterlies' air circulation pattern. Furthermore, despite its ice cover, Antarctica is earth's driest continent because water present near the surface is frozen most of the year.
Understanding the classification of deserts and recognizing that not all deserts are hot and sandy, but in fact may be cold and icy, as in the high-latitude polar deserts, is key. The unique conditions in Antarctica, including its extensive ice shelves and occasional volcanic activity, combined with the political and environmental considerations, all contribute to the complex nature of this continent.
see attachmentss!!!!!!!!!!!!!!!!!!!!1111
Answers
Select all of the statements that are examples of technology in science.
chemists using a computer program to analyze data from their experiments
physicists using a water tank to observe the way waves interact with a model vehicle
biologists writing down observations of animal behavior
physicists discussing the results of an experiment
geologists using a seismograph to record vibrations moving through the Earth
Answers
Answer:
A, B, E
Explanation:
Answer:
First, second, and the last one
Explanation:
I took the teat and got it right :)
Suppose you want to figure out the fastest route to walk home from school. You will try several different routes and time how long it takes you to get home by each one. Are the following variables true or false?
The independent variable is Varying the route you walk home.
The dependent variable is the time it takes.
The controlled variable is keeping the same person walking.
Question 5 options:
True
False
Answers
All the variables are true with respect to the statement provided.
"Varying the route you walk home" is the independent variable because it is purposely varied in the experiment. Different routes are being tested for their effect on the dependent variable.
"The time it takes" is the dependent variable because the independent variable changes the outcome. Route determines walk home time.
"Keeping the same person walking" is the controlled variable since it remains constant throughout the experiment to ensure that only route modification affects the outcomes. We eliminate the effects of walking speeds and skills by keeping the same person walking. Therefore, all the statements are true.
Learn more about variables, here:
https://brainly.com/question/15078630
#SPJ3
The human population is closest to ______. *
1.) 8 million
2.) 7 billion
3.) 7 million
4.) 8 billion
Answers
Answer:
4) 8 billion
Explanation:
Answer:
I sent 8 million
Explanation:
Which mineral is used in making cans and is found mainly in Australia?
hematite
bauxite
tektite
magnetite
Answers
Answer:
bauxite
Explanation:
I just took the test!
If a human has an extra copy of one pair of homologous
chromosomes, how many chromosomes will she have in total?
Answers
Answer:
48 chromosomes
Explanation:
The genetic condition described in the question is referred to as ANEUPLOIDY, which is a chromosomal disorder. ANEUPLOIDY occurs when there is an extra or missing copy of a chromosome in the normal set of chromosomes. It occurs mainly due to the fusion of an abnormal gamete.
A karyotype shows that human cell consists of 46 chromosomes in total I.e. 22 pairs of body and 1 pair of sex chromosomes. A human is a diploid organism I.e. contains two set of chromosomes. This means that one set of chromosomes (haploid, 23 chromosomes) is contributed by one parent.
Therefore, in a case whereby, an extra copy of a pair of homologous chromosomes is contained in the genome of a human. Hence, this will be 2n + 2 which means 46 chromosomes plus two extra chromosomes = 48 chromosomes. This ANEUPLOIDY likely resulted from the fusion of two abnormal gametes that are n+1 each.