Which condition had the greatest impact on the emergence of new species in Earth's history?
A. continental drift
B. mass extinction
C. adaption
D. convolution

Answers

Answer 1
answer B because as soon as dinosaurs got impact by the volcanic eruptions which after that caused new species of different animals on earth

Related Questions

How do changes to genes affect the traits of an organism

Answers

Mutations over the years effect the gene of an organism

Changes  to genes affect the traits of an organism, as genes have the capability to regulate the organism's function, and the genes can regulate the expression of proteins, which regulate the organism's phenotypic and genotypic expression.

What is the significance of the genes or the traits?

Changes in the genes can affect humans in several ways, such as through genetic mutations that result in changes to the regulation of gene expression and result in the addition or loss of entire genes from the organism. Not all of the genetic mutations lead to expressiable changes, but they may change the protein sequence by changing the polypeptide sequence.

Hence, changes to genes affect the traits of an organism, as genes have the capability to regulate the organism's function, and the genes can regulate the expression of proteins, which regulate the organism's phenotypic and genotypic expression.

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31. Which sequence shows increasing ecological
levels of organization?
A. organism, population, community, ecosystem
B. ecosystem, population, organism, community
C. community, ecosystem, population, organism
D. population, organism, ecosystem, community

Answers

Hello there, kawissaehsshen!!!

The answer here would be A.  The organism is a singular thing, so it should be first. The population comes next - it is all the same type of organism living in one ecosystem. Next is community - this is all the living organisms in the area. Lastly, there is the ecosystem - the organisms, their habitats, and everything else.

I really hope this helps you!!

41 points and BRAINIEST 11. A species of rodent can either have brown fur or white fur. Brown fur is recessive and white fur is dominant. Which of the following would cause the rodent population to not be in Hardy-Weinberg Equilibrium? (2 points) Situation In Hardy-Weinberg Equilibrium? Brown fur allows rodents to hide more easily White fur attracts mates better. Rodents cannot leave or enter their habitat The rodents mate randomly, The rodents mutate a new allele for gray hair

( I don't understand what to write in the box thing)​

Answers

Answer:

i think yes in  3 4 5 not in 1 2. It's asking if the genetic situation applies to the hardy equillibrium.

Explanation:

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Answers

Hello, imjustAKID23.

The answer here should be “high diversity”.  High diversity allows an ecosystem to be more flexible - thus allowing it to work better in the face of stress.

Does that answer your question?

If data for the growth of this bacterial population continued to be recorded, would the data point at 60 hours be above or below 37 million? Support your answer.

Answers

Answer:

Above 37 million

Explanation:

Explanation in picture below

Growth of bacterial cultures is defined as an increase in the number of bacteria in a population rather than an increase in the size of individual cells.

Thus, Bacterial population growth occurs geometrically or exponentially: in  each division cycle (generation), one cell produces 2 cells, then 4 cells, then 8 cells, then 16, then 32, etc.

The relationship shows that the average generation time is constant and  the growth rate of the bacterial population is proportional to the number of bacteria at any given time.

This relationship is valid only during the period when the population grows exponentially, ie. in  the logarithmic phase of growth. Therefore, graphs showing the growth of bacterial cultures are plotted as the logarithm of the number of cells.

Thus, Growth of bacterial cultures is defined as an increase in the number of bacteria in a population rather than an increase in the size of individual cells.

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7. Mendel did not know when he began his
experiment that the traits had only two forms and that
each trait was controlled by only one gene. Why is it
important that he chose pea plants for his
experiments?

Answers

Answer:

1. Many varieties were available in alternative forms of a character

2. Varieties were available in pure from start please true that is produced the same type of generation after generation

3. Peace and normally self pollinated but self pollination could be prevented by removing corresponding a productive path main parts demons and female bad kapil's after flour and could as well be crossed

pollinated artificially

A significant shift in the environmental conditions over a very short period of time caused most groups of dinosaurs to become extinct because of their inability to adapt fast enough. This allowed for a variety of niches to open providing current organisms new opportunities. Mammals were one group of organisms that took advantage of this environmental change, filling niches that were unoccupied and eventually developing new species that were specifically adapted to their particular environment. Which of the following is a term that most correctly describes this process?
A. Adaptive radiation
B. Gradualism
C. Convergent evolution
D. Genetic drift

Answers

Answer:

A. Adaptive radiation              

Explanation:

the female part of the plant is called the
A. stamen

B. pistil

Answers

Answer:

B

Explanation:

Answer:

the correct answer is B. pistil

The electron transport chain produces much more ATP than glycolysis or the Krebs Cycle but it needs them to happen in order to take place. How do the first two steps make the last one possible?

Answers

Answer:

there is a link

Explanation:

glycolysis produces pyruvate which feeds into the krebs cycle

krebs cycle also generates redox agents(NADH and FADH2) needed in the etc

Due to sun damage, a skin cell acquired a mutation in DNA sequence in a gene essential for cell survival. This mutation, however, was not passed on to the offspring of the organism. Which explanation best accounts for this observation?

Answers

Answer:

Only mutations in reproductive cells can be passed from parents to offspring.

Explanation:

Which of the following is true about our body's system?

a The skeletal system sends messages to the body
b Blood cells are pat of the nervous system
c The digestive system helps carbon dioxide leave the body through the lungs
d The digestive systems helps break down food into energy

Answers

Answer:

D. The digestive system helps break down food into energy.

Explanation:

Hope this helps! I am 100% certain that this is the correct answer.

some consumers such as many flying insects need large amounts of energy to grow and move from one place to another. how do consumers get energy to function?​

Answers

consumers get energy to function by consuming food from other organisms (animals), while producers get their own energy from themselves (plants)

How does your nose filter the incoming air?

Answers

Definitely nose hairs

Answer:

Air enters through the nostrils of the nose and is partially filtered by the nose hairs, then flows into the nasal cavity. The nasal cavity is lined with epithelial tissue, containing blood vessels, which help warm the air; and secrete mucous, which further filters the air

Explanation:

alaltion
(6) biridity
Inheritance
d) resemblance
2. The tendency of offspring to differ from parents is calle

Answers

2. The tendency of offspring to differ from parents is called inheritance

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A plant shows incomplete dominance in size. A tall plant (TT) is crossed with a medium plant (Tt).
What percentage of the plants will be tall?

Answers

Answer:

     T     t

T   TT  Tt

T   TT   Tt

Explanation:

Is chloroplast eukaryotic or prokaryotic?

Answers

Answer:

Chloroplasts are eukaryotic, as they are present in all eukaryotic cells and all prokaryotic cells lack chloroplasts

Explanation:

Identify the kind of response to the following argument: Argument: In nature, a species is more likely to survive when its weak members die out, so we should let the weak in our society die out. Response: In nature, a species is more likely to survive when it lives in its natural habitat, so we should live in our natural habitat. A. refutation by parallel reasoning B. refutation by reduction to absurdity C. refutation by counterexample D. not a refutation

Answers

Answer:

A. refutation by parallel reasoning

Explanation:

A refutation by parallel reasoning is an analogical inference between two arguments. This type of refutation occurs when an argument is invalidated by showing that the argument's conclusion is not supported by its premises, thereby the structure of the argument is incorrect. The parallel argument should demonstrate that the premises of the target argument are founded in a fallacy or don't provide a strong enough rationale to support/accept its conclusion.

Name the carbohydrate which forms cell wall​

Answers

Answer:

Cellulose

hope this answer helps you...

Why are silent mutations possible for some of the amino acids?

Answers

Answer:

That's possible because proteins are encoded by "triplets" of nucleotides, each responsible for adding a particular amino acid to the protein chain. A change in one nucleotide, however, doesn't always change the triplet's meaning; the mutated triplet may still add the same amino acid.

Explanation:

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Examine the image that shows the folds in the lining of the small intestine. Which of the statements best describes the interaction between the small intestine and another organ based on the model shown here?

Answers

Answer: It’s C.) The increased surface area to volume ratio of the small intestine allows for the absorption of materials into the bloodstream more efficiently.

Explanation:

What did you include in your response? Check all that apply Longitudinal and transverse waves are mechanical waves, so they both carry energy through particles of matter. Longitudinal waves are waves that transfer energy parallel to the direction of wave motion. Transverse waves are waves that transfer energy perpendicular to the direction of wave motion.

Answers

Answer:

Longitudinal waves are waves that transfer energy parallel to the direction of wave motion.

Transverse waves are waves that transfer energy perpendicular to the direction of wave motion.

Explanation:

First of all, transverse waves are not mechanical waves at all. Longitudinal waves are mechanical waves.

Longitudinal waves are waves that transfer energy parallel to the direction of wave motion. A typical example of longitudinal waves is wave on a spiral spring.

Transverse waves are waves that transfer energy perpendicular to the direction of wave motion. A typical example of a transverse wave is light wave and other electromagnetic waves.

Look at the diagram.
Which two structures are first to combine in translation?
20004
• 1 and 2
• 3 and 4
• 2 and 3
• 1 and 4

Answers

Answer:

2 and 3

Explanation:

which are the tRNA with anticodons and the amino acids

GIVING BRAINLIEST> NEED HELP

Do the plants and animals on a farm make up an ecosystem? Why or why not?

Answers

Answer:

Yes they do

Explanation:

Animals and plants make up a ecosystem because the animals feed off the plants and the animals feed off of other animals.

Answer:

All living things in ecosystems are part of a food chain. A food chain is how energy is passed between things. farms are ecosystems. Farmers work with crops, animals, soils, and the weather to grow our food.

Explanation:

Match the following vocabulary words. 1.ciliary musclesA transparent liquid which is located between the cornea and iris. 2.optic nerveMuscles attached to the lens to change its shape 3.coneA photoreceptor cell which functions best in bright light. It detects color. 4.vitreous humorThe transparent portion of the sclera at the front of the eye 5.retinaA special part of the choroid layer composed of colorful tissue 6.rodThe nerve connecting the eye to the brain 7.aqueous humorSpecialized cells located in the retina that receive light images 8.scleraA delicate light-sensitive membrane covering the inside of the eyeball 9.irisA photoreceptor cell which is sensitive to dim light, but detects no color10.corneaA fibrous material surrounding the eye to give it shape11.photoreceptorA transparent jellylike substance filling the eyeball

Answers

Answer:

1. Aqueous humor.

2. Ciliary muscles.

3. Cone.

4. Cornea.

5. Iris.

6. Optic nerve.

7. Photoreceptor.

8. Retina.

9. Rod.

10. Sclera.

11. Vitreous humor.

Explanation:

A sensory system can be defined as components of the central nervous system (CNS) which comprises of the brain, neural tissues or pathways and sensory neurons responsible for sensory functions, perception and processing sensory informations such as sound, light, heat, etc.

Basically, the central nervous system (CNS) interprete the neural signals that are generated from stimuli that are detected by the sensory system. The five (5) main sense organs in the sensory system are: skin, tongue, ears, nose and the eyes.

An eye can be defined as a specialized organ of sight with the capability to receive visual images that are subsequently transduced into neural signals and relayed to the brain for processing and interpretation. Some of the components of the human eye matched with their description are;

1. Aqueous humor: a transparent liquid which is located between the cornea and iris.

2. Ciliary muscles: muscles attached to the lens to change its shape.

3. Cone: a photoreceptor cell which functions best in bright light. It detects color.

4. Cornea: the transparent portion of the sclera at the front of the eye.

5. Iris: a special part of the choroid layer composed of colorful tissue.

6. Optic nerve: the nerve connecting the eye to the brain.

7. Photoreceptor: specialized cells located in the retina that receive light images.

8. Retina: a delicate light-sensitive membrane covering the inside of the eyeball.

9. Rod: a photoreceptor cell which is sensitive to dim light, but detects no color.

10. Sclera: a fibrous material surrounding the eye to give it shape.

11. Vitreous humor: a transparent jellylike substance filling the eyeball.

Answer:

1. A transparent liquid which is located between the cornea and iris - aqueous humor

2. Muscles attached to the lens to change its shape - ciliary muscles

3. A photoreceptor cell which functions best in bright light, it detects color - cone

4. The transparent portion of the sclera at the front of the eye - cornea

5. A special part of the choroid layer composed of colorful tissue - iris

6. The nerve connecting the eye to the brain - optic nerve

7. Specialized cells located in the retina that receive light images - photoreceptor

8. A delicate light-sensitive membrane covering the inside of the eyeball - retina

9. A photoreceptor cell which is sensitive to dim light, but detects no color - rod

10. A fibrous material surrounding the eye to give it shape - sclera

11. A transparent jellylike substance filling the eyeball - vitreous humor

how names and zodiacs affect who people are and how they look

Answers

The seasonal elements of ancient astrology are as follows: Spring (wet becoming hot) – Air – Gemini, Libra, Aquarius. Summer (hot becoming dry) – Fire – Aries, Leo, Sagittarius. Autumn (dry becoming cold) – Earth – Taurus, Virgo, Capricorn.

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Answers

The answer is Homeostasis

Answer:

Homeostasis

Explanation:

Homeostasis is the process which maintains the temperature level of our body.

What is one result of the convection currents in Earth's outer core?

a
Erosion
b
Earth's magnetic field
c
Earth's gravity
d
The melting of the polar ice caps

Answers

Answer:  b. Earth's magnetic field

Explanation:

What is the type of relationship between a rabbit and a leopard?

Answers

Answer:

Prey and Predator

Explanation:

rabbit is the prey and leopard is the predator

Answer:

Parisitism.

Explanation:

Im pretty sure the answer is parasitism because the Leopard would feed on the rabbit, meaning the leopard benifits while the rabbit would be harmed.

How do your results demonstrate independent assortment?

Answers

Answer:

with your big toe treyyyyyy

Explanation:

A gene carries the ________ for a trait.

A) Equipment
B) Instructions
C) Materials
D) Protection

Answers

Answer:

Materials

Explanation:

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A researcher wished to compare the effect of two stepping heights (low and high) on heart rate in a step-aerobics workout. A collection of 50 adult volunteers was randomly divided into two groups of 25 subjects each. Group 1 did a standard step-aerobics workout at the low height. The mean heart rate at the end of the workout for the subjects in Group 1 was = 90.00 beats per minute with a standard deviation of = 9 beats per minute. Group 2 did the same workout but at the high step height. The mean heart rate at the end of the workout for the subjects in Group 2 was = 95.08 beats per minute with a standard deviation of = 12 beats per minute. Assume that two groups are independent and the data are approximately Normal. Let and represent the mean heart rates we would observe for the entire population represented by the volunteers, if all members of this population did the workout using the low or high step height, respectively. Suppose the researcher had wished to test the hypotheses and . The P-value for the test is (use conservative value for the degrees of freedom) One of the sixth grade classes at Washington School has 12 girls and 10 boys. What is the ratio of boys to total students in the class? Color coat for roan cows (RW) shows codominance. A cow with a white coat has WW as its genotype. A cow with a red coat has RR as its genotype. A roan cow (RW) is crossed with another roan cow (RW), what fraction of the offspring will be white (WW)? What is the process called when heat transfers through space in the form of radiation? 2 box plots. The number line goes from 175 to 450. For resort A, the whiskers range from 175 to 375, and the box ranges from 250 to 300. A line divides the box at 375. For Resort B, the whiskers range from 200 to 400, and the box ranges from 300 to 375. A line divides the box at 325.What can be said about the data for the snowfall in each resort? Check all that apply. What does the term Southern Redemption mean?Southerners regained control of their states after Reconstruction.Southerners were forced to pay the costs of the Civil War.The South was freed from the institution of slavery.The South became a fairer, more equal society. Find the distance from Point A to Point B The distance is __ units (round to the nearest tenth if needed) I need help with this. Ty Quantities on hand at the end of one month may not be sufficient to last until the next month's count. If the company has taken this into account in establishing reorder levels, then it is very possible that the company carrying too large an investment in inventory which can be costly.a. Trueb. False 14. The elements in group_are the most reactive metals.15. The elements in group_are the most reactive nonmetals.16. The elements in group_are very unreactive.17. The elements in group_react very violently with water. Help will give brainliest PLEASSSSEEEE u have to submit in 30 min King Darius of Persia made many improvements to his empire, including which of the following (mark all that are true) Building new roads United the states all under his rule. Created a universal coin for the empire Divided the empire into smaller provinces what is the lateral area of the cone? 10 yd and 12.1 yd WILL GIVE BRAINLIESTThe diagonals of a quadrilateral are 12 and 10. Isthis a parallelogram rectangle? Explain your answer how can reduction of export of primary goods improve people's lifestyle Which country was blamed during the peace treaty that ended World War I?RussiaGreat BritainFranceGermany A salesman at a clothing store makes a sale to 30% of the customers he talks to, and wants to try out a new tecnique to see if he can change this rate. He decides to collect data for a few months on the percentage of customers he makes a sale to, and he is able to construct a 95% confidence interval of (.3095, .3275). Is there evidence at 5% significance that he has changed his average sales? Which of the following is a nickname for New Englanders?A) DixiesB) EnglishmenC) WaterboysD) Yankees PLEASE HELP ASAPPP!!!! DIE IN AN HOUR PLS HELP!!! BRAINLIEST WILL BE GIVEN!!!!Can someone pls write a free write for me? it only has to be a paragraph(4-5 sentences) and it can be about anything thats school appropriate.