what is aphids? explain in easy words ​

Answers

Answer 1

They are little soft bodied insect. They suck the plant's nutritious liquid and if they are in large number, they can kill the plants.


Related Questions

6.If a planet is considered habitable, what would that mean?

We could form new habits there.

It would NOT be able to support life

It would have conditions necessary to support life

Only humans could live there

Answers

Answer:

If a planet is considered habitable it means that the planet has all the conditions necessary to support life ,these conditions can be the presence of oxygen

During a dry year, which plant will most likely be able to survive in clay soil?

Answers

Answer:

A

Explanation:

Answer:4

Explanation:

what event occured during paleozoic era?

A. diversification of mammals

B. beginning of multicelled life

C. first appearance of most invertebrates

D. dominance of non avian dinosaurs​

Answers

Answer:

C) first appearance of most invertebrates.

Explanation:

The Cambrian Explosion occurred 542 mya. The earliest complex animals arose in the sea at the beginning of the Cambrian Explosion. It would take another half a billion years for mammals to rise. Multicellular life dates back 1.2 bya, but more cpomplex life, such as animals, did not occur until the Cambrian Explosion. In the beginning of the Cambrian Explosion, many soft-bodied animals, such as jellyfish and sea anemones appeared.

Answer:

C

Explanation:

First appearance of most invertebrates

Within a plant cell, the glucose formed as a result of
photosynthesis may be used directly as
1) an energy source during cellular respiration
2) an enzyme for intracellular digestion
3) an absorber of radiant energy
4) a source of molecular oxygen

Answers

Answer:

an energy source during cellular respiration

In which order do organisms return
to an ecosystem during primary
succession after an area's ecosystem
has been wiped out?
A. trees, hearty shrubs, lichens
B. lichens, trees, hearty shrubs
C. lichens, hearty shrubs, trees

Answers

Answer:

lichens, hearty shrubs, trees

Explanation:

Order:

I-bare rocks,

II-pioneers (mosses, lichen, algae, fungi)

III-annual herbaceous plants

IV-perennial herbaceous plants and grasses

V-shrubs, VI-shade intolerant trees, VII-shade tolerant trees.

(please mark me brainliest) :)

Lichens, hearty shrubs, and trees is the correct order in which the organisms return to an ecosystem during primary succession after an area's ecosystem has been wiped out. Thus, the correct option is C.

What is Primary Succession?

Primary succession is the ecological succession which begins in essentially the lifeless areas, such as the regions in which there is no soil or where the soil is incapable of sustaining life where no life form ever existed because of recent volcanic eruption, newly formed sand dunes, or rocks that are left from a retreating glaciers.

The correct order of the Primary Succession is:

Stage I- Bare rocks,

Stage II- Pioneer species such as mosses, lichen, algae, and fungi

Stage III- Annual herbaceous plants

Stage IV- Perennial herbaceous plants and grasses

Stage V- Shrubs, shade intolerant trees, and shade tolerant trees.

Therefore, the correct option is C.

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What could a human living now and a horse living thousands of years ago
have in common?
A. They need the same amount of energy to survive.
ООО
B. They have the exact same DNA
C. They are made of some of the same matter.
D. They both get their energy directly from the sun

Answers

Answer:

they both get their energy directly from the sun


What describes a country with less industry and whose citizens have low average incomes.

Answers

third world countries

Explanation:

are the results of countries with low exports and high imports

Third world countries work, but developing countries works as well depending on what answer you need.

Developing works because the low income and socio-economic status comes from them not being stable overall a weak infrastructure unlike second and first world countries, it’ll be a while before they catch up.

Write a short note on broyophytes? ​

Answers

Answer:

Bryophytes are an informal group consisting of three divisions of non-vascular land plants: the liverworts, hornworts and mosses. They are characteristically limited in size and prefer moist habitats although they can survive in drier environments. The bryophytes consists of about 20, 000 plant species.

[tex]\underline{QUESTION:_}[/tex]

[tex]Write~ a ~short~ note ~on~ bryophytes?[/tex]

-----------------------------------------------

[tex]\underline{ANSWER:-}[/tex]

Bryophytes are a loose classification of three non-vascular land plant embryophytes: liverworts, hornworts, and mosses. They are typically small and prefer damp surroundings, however, they may thrive in drier ones. There are over 20,000 plant species in the bryophytes.

[tex]\underline{-----------}[/tex]

[tex]\textnormal{HOPE IT HELPS}[/tex]

[tex]\textnormal{HAVE A GREAT DAY!!}[/tex]

What does gene mutation mean?

Answers

Answer:

Gene mutation are changes in single DNA bases or small intragenic delentions and rearrangements.

An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to the right. What is the displacement of the object?

Answers

Answer:

5

Explanation:

Distance is how far something goes and Displacement is how far it is from 0 or from the starting point. Additionally, displacement is a vector so it has a direction, in this case, left or right. To make this shorter let's just find displacement. So you're at 0 and you go 3 units to the right and so you're at positive 3 on the line. Next, you move 4 units to the left so now you're at -1. Finally, you move 6 units to the right and now you're at postive 5. Now you're +5 units away from 0 and so +5 is your displacement (5 units to the right is also correct)

Answer: +5 units or 5 units to the right (as long as it has a sign or a direction it's correct)

5
+5 units or 5 units to the right

Which product forms from the reaction between nitrogen (N)
(CI)?
A. NCI
B. NCI
C. N2CI
O D. N2C1

Answers

Answer:

None of the above

Explanation:

Because as N has the valence of 3 when it reacts with Cl of 1 as valence they will form NCl3

Answer:

The product of the reaction between nitrogen (N) and (CL) is nitrogen trichloride (NCl3)

Explanation:

Although by seeing the question's answer choices, I think it was an error to detect the question (image) by Brainly as 2 of the answers is written the same.

However, when nitrogen gas reacts with chlorine gas, the product is gaseous nitrogen trichloride (NCL3), I guess 1 of your answer must be NCL3.

I point
Bactrian camels, drcanedarves, llamas, and alpacas are all members of the same taxonomic farníly, Camelidae. Members of this family all have two tores, no homes,
true canine teeth, and a split upper lip. The family Camelidae originated in North America. The physical features of animals in this family and the family's
goopraphical origin provide evidence that all these animals -
have slowly evolved to become herbivores
live in the same type of ecosystem
have a common ancestor
exchanged DNA at some point in the past

Answers

Answer:

Have a common ancestor

Explanation:

All of these animals share many distinct traits ,while being in many different areas of the world

PLS PLS PLS HHELLPP MEEE

Answers

To be perfectly honest, I'm not sure what problem 32 is asking. It seems like there's set up to a question, but the actual question itself is missing.

=============================================

For problem 33, we divide the tape's distance by its time. I'm assuming that problem 33 is using the set up info from problem 32.

Recall that

distance = rate*time

we can rearrange things to say

rate = distance/time

So that's why we divide distance over time. The tape's length is effectively the distance, more or less. Imagine that one marker on the tape travels from one end of the reel to the other. It would have to travel the length of the tape when the full tape duration elapses.

----------

So,

rate = distance/time

rate = (260 meters)/(180 seconds)

rate = (260/180) meters per second

rate = 1.44 meters per second, which is approximate

I'm rounding to 3 sig figs.

How do the resources available to people influence how they
grow food?

Answers

Answer:

grow

Explanation:grow

How do the process of DNA replication and the laws of inheritance help cells and individuals pass on their
traits?

Answers

DNA copying is otherwise known as DNA replication which is the process of producing 2 identical copies of DNA from one original DNA molecule during cell division. DNA copying is important because it generates variation during sexual reproduction which leads to evolution. Also, DNA copying helps in transfer of information or characters from the parents to the offsprings.

Mendel studied traits with only one mode of inheritance in pea plants. The inheritance of the traits he studied all followed the relatively simple pattern of dominant and recessive alleles for a single characteristic. There are several important modes of inheritance, discovered after Mendel’s work, that do not follow the dominant and recessive, single-gene model.

hope it helps

PLEASE HELP ME I NEED ASAP.
Complete the following table on the different types of microscopes.

Answers

Answer:

A compound light microscope is a microscope with more than one lens and its own light source. In this type of microscope, there are ocular lenses in the binocular eyepieces and objective lenses in a rotating nosepiece closer to the specimen.

The scanning electron microscope (SEM) produces images by scanning the sample with a high-energy beam of electrons. As the electrons interact with the sample, they produce secondary electrons, backscattered electrons, and characteristic X-rays.

Explanation:

A pair of butterflies reproduces and has one thousand offspring. All one thousand of the offspring have the alleles Aa. What is the most likely combination of alleles (genotype) for each parent? Explain your answer.

Answers

Answer:

It is expected that each parent is homo-zygous for each trait (i.e., one parent has genotype AA and the other parent has genotype aa)

Explanation:

An F1 hybrid is the first filial generation of the progeny of distinctly different parental types. In this case, it is expected that each parent is homo-zygous for each trait, thereby 100% of all offspring will have genotype Aa (i.e., parental cross: AA x aa >> F1 = 100% Aa). On the other hand, in a cross where one parent is heterozygous for the trait (Aa) and the other parent is homo-zygous (either AA or aa), only 50% of all offspring will have genotype Aa.

1. True-or-false: All of the substances present in nature are made up of less
than 100 types of particles. These particles are called molecules.

Answers

Answer:

False

Explanation:

there are billions of known molecules.

The answer is false

The reason that the mail bed appears pink is the presence of a larger number of melanocytes in the underlying dermis

Answers

Complete question:

True or False: The reason that the nail bed appears pink is the presence of a larger number of melanocytes in the underlying dermis.

Answer:

False

Explanation:

Nails are composed of the lamina, which is a smooth, shiny, translucent, and keratinized structure. The nails are born the nail matrix. The newly formed nail slice along the mail bed, which is the plane surface under the nails.  

The nail bed places under the nail and is composed of a thin epithelium, with no granulous stratum, and a few layers of parakeratotic cells attached to the nail.  

The nail matrix and nail bed have melanocytes. Half of the melanocytes of the matrix produce melanin, while melanocytes of the nail bed are inactive.  

The nail bed is laying over many small vessels that nourish it and provides a pink color to the nails.

Question 7 of 25
Which structure is used by the organism to see the outside world?

Answers

Answer:

install

Explanation:

Answer:

Eye

Explanation:

We use the eye to look at things

im not sure what the answer is please helpppp

Answers

The answer is B because the humoral immune response is mediated by antibody

Scrambled Sentence
terrestrial are Earth-like Mercury, Venus, Earth, Mars planets such as and planets



2) Scrambled Sentence
called gas giants Jupiter, Saturn, Uranus, are jovian planets and Neptune God-like also such as
Type the correct sentence on the line below.

Answers

Answer:

Terrestrial planets are Earth, Mercury, Venus, Earth, Mars.

Explanation:

Terrestrial planets are Earth, Mercury, Venus, Earth, Mars planets whereas Jupiter, Saturn, Uranus and Neptune are Jovian planets which is also called gas giants. Terrestrial planets means that the planets have rocky soil which is hard in nature while on the other hand, a gas giant is a big planet that is composed of mainly hydrogen and helium element so we can conclude that terrestrial planets are different from gas giant in their soil composition.

When 2 or more organisms compete for the same resource there can be a variety of outcomes. What would be one of those outcomes?

Answers

Answer:

The biology branch deals with the relations between and physical environment of organisms.

Explanation:

The principle of competitive exclusion states that if two species occupy the same niche, they cannot exist together (competing for identical resources). Two species whose niche overlap can evolve to have different niches through natural selection, resulting in the distribution of resources.

In ecology, interspecific competition is a form of competition where individuals from different kinds compete in an ecosystem for the same resources (e.g. food or space)... There may be interspecific competition if people of two separate species share a limited resource within a single area.

If both maize and teosinte are grown in the wild, which species is more likely to proliferate? Why?

Answers

Answer:

he maize is more likely to proliferate because of the human effect.

Explanation:

If both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.

What are maize and teosinte?

Maize and teosinte are both members of the grass family, but they differ in several important ways. Maize, also known as corn, is a domesticated crop that has been selectively bred over thousands of years to produce larger, more desirable ears for human consumption. Maize has a much larger ear size than teosinte, and its kernels are also larger and more closely packed together.

Hence, if both maize and teosinte are grown in the wild, teosinte is more likely to proliferate. This is because teosinte has certain adaptations that make it better suited to the wild environment.

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When the stimulus voltage is increased, _______. When the stimulus voltage is increased, _______. sodium permeability into the cell decreases sodium permeability into the cell increases to overcome the potassium exiting a greater-than-threshold depolarization results a greater-than-threshold depolarization results and sodium permeability into the cell increases to overcome the potassium exiting.

Answers

Answer:

a greater-than-threshold depolarization results and sodium permeability into the cell increases to overcome the potassium exiting.

Explanation:

The occurrence of action potential requires the existence of active voltage-dependent channels to open and close in response to the membrane depolarization.  

When depolarization reaches and supers the threshold point, voltage-dependent Na+ channels open and the ion gets into the cell. The entrance of Na+ decreases the electric charge difference between the cellular interior and exterior. Membrane depolarizes and produces the action potential that tends to reach a potential equilibrium for Na+ = +60mV. The higher the Na+ input is, the greater is the depolarization and the greater is the Na+ permeability.

Once Na+ channels are closed, voltage-dependent K+ channels open, increasing the membrane permeability to the ion, letting K+ get out of the cell, following the electrochemical gradient.  

The closure of Na+ channels and opening of K+ channels are responsible for membrane repolarization.

Does a virus have an independent lifecycle?

Answers

The virus life cycle could be divided into six steps: attachment, penetration, uncoating, gene expression and replication, assembly, and release.

Bakit mahalagang isabuhay ang pangangalaga sa kalikasan at ano ang mga kakayahang mayroon ka upang maisabuhay ito?​

Answers

Explanation:

The primary motivation for conservation and is to conserve wildlife and maintain biodiversity. Safeguarding wildlife and environment and conserving it for future generations ensures that the species we care about do not become extinct. The preservation of such ecosystems aids in the protection of the overall ecosystem.

the scientific method uses observation and what other process to answer a question

Answers

My Answer

→ The correct answer that would answer the given question above would be EXPERIMENTATION. The scientific method uses observation to gather information, and to answer the questions based on the information gathered, this would involve experimentation. This is the testing of the information so that it would given a clear evidence on the answer.

I hope it's helps ╮(^▽^)╭

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Based on the article "Will the real atomic model please stand up?," why did J.J. Thomson experiment with cathode ray tubes?​

Answers

Answer:

To determine that electric beams in cathode ray tubes were actually made of particles

Explanation:

I hope this is correct, if it isn't then feel free to let me know and I will correct it. I'm sorry in advance if it is incorrect.

Glucose is a molecule that can move across the cell membrane. If the
concentration of glucose is higher outside the cell than inside the cell, then
what will happen by the process of diffusion?
Yea so what do i do?

Answers

The glucose will diffuse into the cell by the process of diffusion.
Hope it helps :)

Answer:

The right answer is B. Glucose molecules will diffuse out of the cell

Explanation:

Diffusion refers to the natural tendency of a system to homogenize the concentrations of chemical species within it.

Other Questions
Which is correct word Roma city or Rome city ou have isolated a previously unstudied protein, identified its complete structure in detail, and determined that it catalyzes the breakdown of a large substrate. You notice it has two binding sites. One of these is large, apparently the bonding site for the large substrate; the other is small, possibly a binding site for a regulatory molecule. What do these findings tell you about the mechanism of this protein What is the equation of a circle with center (1,-4) and radius 2?OA. (x-1)2 + (y + 4) = 4B. (x-1) - (y + 4)2 - 4O C. (x+1)2 + (y - 4)2 - 4D. (x - 1)2 + (y + 4)2 - 2 What idea is emphasized by the connotations of the underlined words? Select all the numbers that are irrational. who ever gets this right i will brainlist 1. Which is the correct way to say, "I never go out with my sister."?Nadie salgo con mi hermana nunca.Nadie salgo con mi hermana.No nunca salgo con mi hermana.No salgo con mi hermana nunca.2. Enter the word that correctly completes the sentence.I don't know anything.No s______3. Which is the correct way to say, "I dont like any vegetables."?Ninguna verdura me gusta.Alguna verdura me gusta.Ninguno verdura me gusta.Alguno verdura me gusta. Which one is the dependent variable in distance, force, or work Find the area of the following circle.plz I need this fast!------11m------379.94 m 234.54 m 294.985 m 217.27 m 2 2Question 10 Multiple Choice Worth 5 points)(06 02 MC)Given the following system of equations and its graph below, what can be determined about the slopes and y-intercepts of the system of equations?15x + 2y = 23x - 3y = 18The slopes are the same, and the y.Intercepts are the sameThe slopes are the same, and the y-intercepts are differentThe slopes are different, and the y-intercepts are the samePrevious QuestionQuestion 1 (Answered)ONType here to searchOBEC84'F Rain comingAG What is Sublimation?-.- This is my last one Im happy What is the DMS measure of an angle that is 3.7 radians?A. 11 37' 26"B. 0 3' 52.5"c. 211 59' 39.6"D. 3 42' 0" Propose two steps that could be taken to reduce the vulnerability of the US to hurricanes. Explain why you think those would be effective in saving lives and property.This is not just about planning and design of buildings and towns/cities, even though those are very important. You could write about the role of research in science and technology and their contributions to emergency preparedness.You must write at least one paragraph (roughly 150 words). Snack food vendors and beer distributors earn some monopoly profits in their local markets but see them slowly erode from various new substitutes. When California voted on legalizing marijuana, which side would you think that California beer distributors were on Ten examples of an interpreter which type of material is the best sound absorber?a. glassb. woodc. concreted. carpet Liz would like to study abroad for a year before graduating from college. She would like to live someplace that is close to her native country of Ireland in terms of development because she will need to use the Internet for many of her classes. She can choose from programs in three countries. What could she use to measure the economic performance of the three countries Does this word have a hard or soft consonant for a beginning letter?counthardsoft Cody Mountain Sports is an outdoor sporting goods guiding service located in northern Wyoming. Cody Mountain Sports (CMS) primarily provides guiding for common outdoor sporting activities such as rock climbing, hiking, and skiing. CMS completed the following adjusting transactions during March of 2021:Mar. 1 CMS began operations by receiving $100,000 in cash. The business issued shares of common stock in exchange for this contribution.Mar. 1 CMS paid $1,200 cash for a 12 month insurance policy. The policy begins Mar. 1.Mar. 4 CMS guided a small rock climbing trip, receiving $20,000 payment in cash. Mar. 15 CMS guided a hiking adventure, billing the customer $3,000 and receiving a promise of payment within one week.Mar. 18 Accrued employee salaries of $10,000. Mar. 19 Purchased fuel for vehicles on account, $1,000Mar. 22 Collected $3,000 cash from customer on account.Mar. 24 Paid rent on their property, $4,000 cash. Mar. 27 Paid $1,000 cash on account. Mar. 31 Cash dividends of $2,500 were paid to stockholders. Required:Post these transactions to the T-accounts. Help with number 16 please