The diagram shows a selection of animals .Choose two alphabets that are invertebrates.

A. B and D
B. A and C
C. B and F
D. E and C

The answer to the multiple-choice question regarding the environmental impact of fish farms is Aquaculture enclosures can harbor parasites that can negatively affect wild populations that breed in estuaries so that the correct answer is option (c).

Fish farms, also known as aquaculture, have both positive and negative impacts on the environment. While option A and option B highlight potential benefits of aquaculture, option C addresses a significant concern related to the industry. Fish farms often use enclosures or nets to confine fish in coastal waters or estuaries. These enclosures can harbor parasites that can infect the farmed fish. If these parasites escape or are released into the surrounding environment, they can pose a risk to wild fish populations that breed in estuaries. The presence of parasites from aquaculture can negatively affect the health and survival of wild fish, potentially impacting their population size.

It is crucial to consider the potential ecological consequences of aquaculture to ensure sustainable practices. Efforts to minimize the escape of cultivated fish and the spread of parasites are important for maintaining the health and integrity of wild fish populations in coastal waters and estuaries.

In summary, option C correctly highlights the concern that aquaculture enclosures can harbor parasites that can negatively affect wild fish populations breeding in estuaries. It is essential to manage and mitigate the potential environmental impacts of fish farms to ensure the long-term sustainability of both cultivated and wild fish populations.

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Answer:

tropical and temperate.

Explanation:

Tropical rainforests are found closer to the equator where it is warm. Temperate rainforests are found near the cooler coastal areas further north or south of the equator. The tropical rainforest is a hot, moist biome where it rains all year long.

Answer:

Asegment of chromosomal DNA

Explanation:

A gene is a hereditary unit consisting of a sequence of DNA that occupies a specific location on a chromosome and determines a particular characteristic in an organism. Genes undergo mutation when their DNA sequence changes. It is the basic physical and functional unit of heredity. Genes are made up of DNA. Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins. Alleles are forms of the same gene with small differences in their sequence of DNA bases. These small differences contribute to each person's unique physical features.

Answer:

A piece of a chromosome

Explanation:

A.P.E.X

Answer:

Explanation:

Sub-cellular particles are particles smaller than the living cell and are found suspended in the cytosol (of a cell) like the nucleus, golgi complex and the mitochondria.

While acellular particles/organisms are particles that do not have a cell like the virsues, viroids and prions. They are not alive/inactive outside a living environment but become active immediately they are inside a living environment (like a cell).

Sub-cellular particles are structures that are found within a cell. These structures perform specific functions and are essential for the cell to carry out its biological processes.

Examples of sub-cellular particles include organelles such as the nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes. These structures are composed of both proteins and lipids and are enclosed by a membrane.

Acellular particles, on the other hand, are particles that do not possess a cellular structure and are not alive. These particles are much smaller than cells and are unable to carry out any metabolic processes.

Examples of acellular particles include viruses, prions, and viroids. These particles are composed of either DNA or RNA and can replicate themselves only within a host cell. They do not have their own metabolism and rely on the host cell for replication and survival.

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These worms are able to stay in the ocean due to the fact that it is convergent in the sea.

In the frigid waters surrounding Antarctica and the Arctic, many organisms have evolved special adaptations to help them survive in these extreme conditions. One such adaptation is the production of antifreeze proteins, which are molecules that can lower the freezing point of the fluids in an organism's body, preventing them from freezing solid.

Fish that live in the cold waters of the Southern Ocean, such as the Antarctic notothenioids, produce antifreeze glycoproteins that are able to circulate in their bloodstream and protect their cells from freezing. These glycoproteins have a unique structure that allows them to bind to ice crystals and prevent them from growing, thereby preventing the fish's blood and tissues from freezing.

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in the ocean surrounding Antartica, there are fish that survive the cold water by using a molecule made of glycoproteins that circulates the blood and keeps it from freezing. certain kinds of worms that live in the Arctic Ocean also make antifreeze proteins that help them live in icy water.

Answer:

Before mitosis, the chromosomes are copied. They then coil up, and each chromosome looks like a letter X in the nucleus of the cell. The chromosomes now consist of two sister chromatids. Mitosis separates these chromatids, so that each new cell has a copy of every chromosome.

Answer:

Interphase

Explanation:

I'm currently learning about this as well, haha! In my notes, I have:

The cell cycle begins with stage G1, which is a part of interphase.

which should be your answer!

have a lovely day <3

The statements 'animals exhibit similar proteins' (Option C, question 1) and 'exhibit similar structures due to a common ancestor' (Option C, question 2) support life changes over time.

Evolution refers to descendence with modification, which means that proteins are similar in related species.

Protein building blocks (amino acids) can also change over evolutionary time due to descendence with modification.

In conclusion, the statements 'animals exhibit similar proteins' and 'exhibit similar structures due to a common ancestor' support life changes over time.

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All humans are biologically alike due to the 99.9% similarity in their genetic compositions. The minute differences arise due to evolution.

Genetic composition is defined as the arrangement of genes in the chromosome and their transfer from the parents to the offspring. Genes are the small sequences of DNA that encode the information for protein synthesis.

Evolution is defined as the slow and gradual change in the characteristics of a population. This process takes generations over generations to occur. As the genetic sequences change due to mutations, they result in evolution.

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Given what we know, we can confirm that the zone in which this process is taking place is known as the zone of cell proliferation.

This is an area of the bone that is widely studied in histology. It is important for the formation of bones and additional bone cells. This area can be identified and studied due to the basophilic nature of the cells that occupy it.

Therefore, we can confirm that the zone of the epiphyseal plate in which chondrocytes are multiplying and aligning into longitudinal columns of flattened lacunae is the zone of cell proliferation.

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Answer:

During this process the messenger RNA and the transfer RNA are manufactured

Explanation:

These RNAs are necessary to be able to comply with the formation of proteins, since they read the genetic code and after this they assemble the reading to make proteins of structure, function and support.

This is how cells when dividing or multiplying separate their genetic code by replicating.

DNA nucleotides are made from 3 smaller units: a sugar, a phosphate group, and a nitrogen base.

The sugar found in DNA is called deoxyribose, which is a five-carbon sugar molecule. The phosphate group is a molecule made up of one phosphorus atom and four oxygen atoms, and it is attached to the sugar molecule. The nitrogen base is a molecule that contains nitrogen and is responsible for coding genetic information. There are four types of nitrogen bases found in DNA: adenine (A), thymine (T), cytosine (C), and guanine (G).

What are the nucleotides ?

DNA nucleotides are the building blocks of DNA (deoxyribonucleic acid), which is a complex molecule that carries genetic information in most living organisms. DNA is composed of long chains of nucleotides that are linked together through chemical bonds.

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Complete question is: DNA nucleotides are made from 3 smaller units: a sugar, a phosphate group, and a nitrogen base.

Answer:

person = input('enter person name:')

print("Nice name!")

color = input('enter color: ')

print("Ooo good choice")

foods = input('enter name of some food make a plural!: ')

print("Mmm..you have excellent taste")

adjective = input('enter an adjective name: ')

print("Good!")

thing = input('enter a thing name : ')

print("Cool!")

place = input('enter place : ')

print("Never been there but it seems cool!")

verb = input('enter verb : ')

print("Amazing verb!")

adverb = input('enter adverb : ')

print("Love it!")

food = input('enter food name: ')

print("I'm getting hungry!!")

things = input('enter name of things you like make this plural too! : ')

print("Okay, here are the results!")

print("Today we got apples from", person)

print("The apples were", color)

print("After that we ate lots of", foods)

print("I also met a dog that was", adjective)

print("Also, I found something near the trees. It was a", thing)

print("I found myself wandering to a", place)

print("Then I decided to", verb)

print("I did that very", adverb)

print("Then I got home and ate some", food)

print("Then I played with some", things)

print("Hope you liked this story! Bye!")

This I did on R E P L I T if you want the OnlineGDB one I found this on it.(The one below) It should be right if it isn't I recommend using the one above written by me.

import time

from time import sleep

text1 = 'I liked'

text2 = 'much better'

adjective1 = input ("Enter an adjective: ")

time.sleep(1)

print ('Ooh, nice adjective!')

time.sleep(1)

noun1 = input ("Enter a noun: ")

time.sleep(1)

print ('Woah! You are so creative!')

time.sleep(1)

verb_past_tense1 = input ("Enter a verb in the past tense: ")

time.sleep(1)

print ('Have you ever done that?')

time.sleep(1)

verb_past_tense2 = input ("Enter a verb in the past tense: ")

time.sleep(1)

print ('Hmm...')

time.sleep(1)

noun2 = input ("Enter a noun: ")

time.sleep(1)

print (text1, noun1, text2)

time.sleep(1)

adverb1 = input ("Enter an adverb: ")

time.sleep(1)

print ('Oh, okay, showoff!')

time.sleep(1)

verb_past_tense3 = input ("Enter a verb in the past tense: ")

time.sleep(1)

print ("...")

time.sleep(1)

verb_past_tense4 = input ("Enter another verb in the past tense: ")

time.sleep(1)

print ("Oh, yeah. Reeeealll original.")

time.sleep(1)

exclamation1 = input ("Enter an exclamation: ")

time.sleep(1)

print ('That is it. I am done reading your terrible MadLib inputs.')

time.sleep(1)

verb_ending_with_ing = input ("Enter a verb ending with -ing: ")

time.sleep(1)

print ("Hmph...")

time.sleep(1)

plural_noun = input ("Enter a plural noun: ")

time.sleep(1)

print ("Generating your (probably terrible) MadLib.")

time.sleep(3)

print ('Get ready,')

time.sleep(1)

print ('Get set,')

time.sleep(1)

print ('READ!')

time.sleep(1)

text3 = 'It was a'

text4 = "night."

text5 = 'All of a sudden, I heard a loud'

text6 = 'right outside my window!'

text7 = 'I'

text8 = 'over to the blinds and'

text9 = 'them open.'

text10 = "There was a"

text11 = "outside my house!"

text12 = "I"

text13 = "over to the front door, and"

text14 = "it open."

text15 = "what are you doing, just"

text16 = "there... So menacingly?"

text17 = "I am here for"

text18 = "the"

text19 = 'replied.'

text20 = "Well, that is all you had to say, I told the"

text21 = "And, without further ado, I invited the"

text22 = "inside for"

print (text3, adjective1, text4)

time.sleep(3)

print (text5, noun1, text6)

time.sleep(5)

print (text7, verb_past_tense1, text8, verb_past_tense2, text9)

time.sleep(5)

print (text10, noun2, text11)

time.sleep(4)

print (text12, adverb1, verb_past_tense3, text13, text14)

time.sleep(4)

print (exclamation1, text15, verb_ending_with_ing, text16)

time.sleep(5)

print (text17, plural_noun, text18, noun2, text19)

time.sleep(3)

print (text20, noun2)

time.sleep(4)

print (text21, noun2, text22, plural_noun)

time.sleep(5)

print ("THE END!")

time.sleep(1)

print ("Thankfully.")

time.sleep(1)

print ("Now, go away!")

Explanation:

-- Juri Davis

Answer:Shrinking Blood vassels

Explanation:

Answer:

The sugar and phosphate group make up the backbone of the DNA double helix, while the bases are located in the middle.

Explanation:

Answer:

One strand of DNA is upside down due to the nitrogen bases or organic bases joining the sugar molecule at carbon 1.

Explanation:

Answer:

RuBP is the answers

Answer:

C) RuBP is the answer on edge.

Explanation:

just made a 100%, if you ever have a question i´m glad to help!

i need 4 more brainlest to get expert it would mean a lot if i could have the brainlest, please and thank you!!

Scientists investigated the effect of oxygen levels on the net rate of carbon fixation in two types of plants.

The net rate of carbon fixation refers to the overall rate at which plants convert carbon dioxide (CO2) into organic compounds through photosynthesis. In this study, researchers examined how different oxygen levels affected this process in two types of plants.

Photosynthesis involves two main processes: the light-dependent reactions and the light-independent reactions (also known as the Calvin cycle). During the light-dependent reactions, oxygen is produced as a byproduct, while the light-independent reactions involve the fixation of carbon dioxide into organic molecules.

The oxygen levels in the environment can affect the net rate of carbon fixation in plants. Higher oxygen levels can inhibit the activity of the enzyme RuBisCO, which is crucial for the fixation of carbon dioxide. This inhibition can lead to a decrease in the net rate of carbon fixation. However, different plants may have different abilities to adapt to varying oxygen levels. Some plants, known as C4 plants, have mechanisms that minimize the inhibition of RuBisCO by oxygen, allowing them to continue fixing carbon efficiently even under higher oxygen conditions.

By investigating the effect of oxygen levels on carbon fixation in different types of plants, scientists can gain insights into the adaptations and physiological mechanisms that enable plants to thrive in various environments.

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This process of grass development is known as facilitation.

Ecological facilitation is a process of species interaction in which at least one of the mutually involved species gets benefited causing no harm to any other species.

Facilitation has several sub divisions within it as mutualism(both species get benefit from one another), communalism(one specie is benefited letting another involved specie unaffected), competition(both the species get harm due to high competition and availability of limited resources).

According to the hypothesis of facilitation growth of the later added species depends upon the presence and dominance of already existing species.

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When the wave's amplitude is equal to half of this height (H), the wave's amplitude is 0.5 H.

The amplitude of waves is the maximum height attained by the wave. The amplitude of a wave is the maximum vertical displacement of the wave.

When the wave's amplitude is equal to half of this height, the amplitude is calculated as follows;

Let the height = H

Amplitude = 0.5 H

Thus, when the wave's amplitude is equal to half of this height (H), the wave's amplitude is 0.5 H.

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An electrochemical cell is constructed in such a way that one side has a piece of copper metal placed in a copper sulfate solution, while the other side has a piece of zinc metal placed in a zinc sulfate solution.

Electrodes, the substance in which the redox reactions take place, are on both sides of the electrochemical cell. Copper, which is a good conductor, is used for the cathode. Zinc, on the other hand, is used as the anode. The anode and cathode are separated by a salt bridge or porous membrane in an electrochemical cell. The salt bridge provides a channel for ions to move freely between the anode and cathode sides. Electrons flow from the anode to the cathode via a wire, while ions travel through the salt bridge, establishing electrical neutrality on both sides of the cell.

Electrons are released from the zinc atoms and flow to the copper atoms through the external circuit, generating a current in the process. Zinc metal becomes zinc ions, while copper ions are reduced to copper metal on the cathode. The reaction is shown below as follows:$$\ce{Zn (s) → Zn^{2+} (aq) + 2 e-}$$$$\ce{Cu^{2+} (aq) + 2 e- → Cu (s)}$$In summary, the electrochemical cell has an anode, a cathode, and a salt bridge or a porous membrane. Electrons are released from the anode and travel to the cathode through an external circuit, generating an electric current. The salt bridge or porous membrane allows for the free flow of ions between the anode and cathode, maintaining electrical neutrality.

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The correct answer is D. The statement says that the baby boy and baby girl are not both hungry. We need to choose the correct option that represents this situation accurately.

Let's analyze each option to find the correct answer.

A. The baby boy is not hungry or the baby girl is not hungry.
This option suggests that either the baby boy or the baby girl is not hungry, but it doesn't specify that both of them are not hungry. Therefore, option A is incorrect.

B. The baby boy is not hungry and the baby girl is not hungry.
This option states that both the baby boy and the baby girl are not hungry. Since the original statement says that they are not both hungry, option B is also incorrect.

C. If the baby boy is hungry, then the baby girl is not hungry.
This option suggests that if the baby boy is hungry, then the baby girl is not hungry. However, it doesn't cover the possibility that the baby girl is hungry while the baby boy is not. Therefore, option C is incorrect.

D. The baby boy is hungry or the baby girl is hungry.
This option presents the possibility that either the baby boy is hungry or the baby girl is hungry. Since the original statement says that they are not both hungry, option D is the correct answer.

In summary, the correct answer is D: The baby boy is hungry or the baby girl is hungry. This option acknowledges the possibility that one of them could be hungry while the other is not, which aligns with the given statement.

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Answer: metamorphic is high pressure, igneous is lava formation, and sediment is by minerals

Explanation:

Answer: Carbohydrates, or carbs, are sugar molecules. Along with proteins and fats, carbohydrates are one of three main nutrients found in foods and drinks. Your body breaks down carbohydrates into glucose. Glucose, or blood sugar, is the main source of energy for your body's cells, tissues, and organs.

Answer:

gain-of-function

Explanation:

Gain-of-function mutations represent a type of genetic change that may confer a new function to the gene that undergoes the mutation. In this case, a gain-of-function mutation conferred to the virus an adaptive advantage by allowing it to encode a new protein which is capable of attaching to the cell membrane of a new host. In this regard, it is important to note that loss-of-function mutations are quite common in nature, while gain-of-function mutations are relatively rare.

The correct answer is C. probably evolved from one single ancestral species from the mainland. Darwin realized that Finches differed form their relatives in mainland. The finches he saw were all particular on their own, so he concluded that their isolation from mainland and their insular habitat make them to evolve different traits, eventually each finch become a different species.

The part of the nerve cell specially constructed to transmit a message from one cell to another nerve cell is axon.

Nerve cells are electrically excitable cell that communicates with other cells via specialized connections called synapses.

Nerve cells are specialized cells of the nervous system which conducts nerve impulses. Nerve cells, also known as neurons are the basic functional units of the nervous system, which are made up of three components as follows:

The cell body, also called the soma contains the cell’s nucleus, which controls the activities of the cell. The dendrites are extensions that branch off the cell body and receive chemical signals from other neurons, which they convert to electrical impulses and transmit to the cell body.

Axons are a long extension that carries information away from the cell body. It is where information leaves the nerve cell and is passed on to target cells.

Therefore, the axon is the part of the nerve cell that is specifically constructed to transmit message from one cell to another.

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Answer:

Explanation: The interest of farmers in growing lettuce landraces is increasing, as landrace varieties prove particularly appealing to consumers striving to purchase natural, local, and high-quality produce. Although high genetic diversity exists in the landrace gene pool, this has scarcely been studied, thus hindering landrace utilization in agriculture. In this study, we analyzed the genetic diversity and the agronomic and quality traits of lettuce landraces in organic agrosystems, by characterizing 16 landraces and 16 modern varieties. We compared 29 morphological descriptors, and several traits relating to agronomic behavior (total and commercial weight, resistance to Bremia lactucae) and quality (color, chlorophyll, dry matter, and total sugars). Trials were conducted in two localities and managed following organic farming practices. Moreover, farmers and consumers participated in the phenotyping of accessions by scoring yield, resistance to B. lactucae, appearance, and taste acceptance. Results show that cultivar group, rather than the genetic origin (modern vs. landrace), is the major source of variation for all agronomic and quality traits. Batavia and Butterhead were highly homogeneous cultivar groups, while Cos accessions showed a much higher intra-varietal diversity. There was also a clear separation between modern and landrace varieties of Oak leaf. Fifteen out of the 16 evaluated landraces presented a high susceptibility to the particular B. lactucae race isolated from the experimental field - a new race not reported before. Breeding programs intended to introgress genetic resistance to this pathogen are a major priority to recover the cultivation of lettuce landraces. Principal component analysis (PCA), conducted on all quantitative data, showed a clear differentiation between modern varieties and landraces, mostly related to their commercial weight and susceptibility to B. lactucae. These seem the most important traits influencing farmer and consumer evaluations. Farmers showed a high capacity for characterizing the samples and agreed with consumers when scoring for the external appearance. It is proposed that farmers and consumers should be included in the phenotyping platforms in future research projects aiming for recovery of landraces.