Is the fossil record complete for humans? Explain your answer.

Answers

Answer 1
answer: no
explanation: i believe the answer is no because you can never have a completely complete fossil record, due to evolution, so things are always changing. for human fossils, we have very few that we have uncovered, meaning that it is very much incomplete.

Related Questions

does photosynthesis occur in mushroom give a reason to support your answer​

Answers

Answer:

No

Explanation:

Although mushrooms and fungi have a cell wall like plant cells, fungi are unable to make their own food and must feed on decaying matter to gain the energy needed for survival.

Hope this helps :)

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(TRUE OR FALSE)
As discoveries were made that couldn't be explained by spontaneous generations, scientist came up with an updated version of the spontaneous generation model?
PLZ HELP WILL BRAINLIEST
IF U DONT KNOW THE ANSWER DONT U DARE

Answers

Answer: I'm pretty sure this is true

Explanation:

Stand and let your hands hang next to your sides for a few minutes. Then, look at the backs of your hands. Do you see any bumps on the surface on top of your veins? What might those be, and what are their function?​

Answers

When you stand and let your hands hang next to your sides for a few minutes, the bumps you see on your veins are the valves that help move blood to the larger veins.

What we know about vein valves.

There are valves located throughout the veins in our bodies. Most of these are located in points where smaller venules fuse with the larger veins.

Their function is to prevent blood from flowing back into the smaller veins, thus helping with the normal blood flow of the body.

Given that the veins in our bodies are littered with small valves to help the blood return to the heart correctly, we can confirm that these are the small bumps that we can see when letting our hands down for a few mins, as they fill with the blood they try not to let flow back into the smaller veins.

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Which one of the following organisms IS EATEN BY AN OMNIVORE in this food web?

If you don’t know the answer please don’t guess bc this is ixl and it’ll start me over.

Answers

Answer:

the cytoplankton

Explanation:

A. Suzie Q wants to know the effect of different colors of light on the growth of plants. She believes that plants can survive best in white light. She buys 5 ferns of the same species, which are all approximately the same age and height. She places one in white light, one in blue light, one in green light, one in red light and one in the closet. All of the ferns are planted in Miracle-Grow and given 20 mL of water once a day for 2 weeks. After the two weeks, Suzie observes the plants and makes measurements.

Answers

Answer:

This question is incomplete, the complete part is: What is the independent variable in this experiment? A) The plant species B) The amount of water that each plant gets C) The amount of time D) The different types of light the plants were put under.

The answer is D

Explanation:

In an experiment, the INDEPENDENT VARIABLE is the variable that is changed or manipulated by the experimenter in order to effect a measurable response.

In this case, Suzie Q wants to know the effect of different colors of light on the growth of plants. She conducts this experiment using different colors of light namely: white light, green light, blue light, red light etc. This shows that the variable being changed/manipulated is the different colors of light. Hence, the INDEPENDENT VARIABLE is the DIFFERENT TYPES OF LIGHT THE PLANT WERE PUT UNDER.

What happened when Earth's first atmosphere collapsed? Will mark you as brainliest!

- it created oxygen

-it formed the oceans

-it triggered an ice age

-it fell as rain, watering the earliest plants

Answers

Explanation:

solar radiation would break atmospheric water into oxygen, which would react with carbon on the Earth to form carbon dioxide. The air would still be too thin to breathe. The lack of atmosphere would chill the Earth's surface.Plants and land animals would die

Please help me need this before 8:00am
The questuon is in the picture

Answers

Answer:

I think the answer is D.

Explanation:

I think this because I just did the Periodic Table in school, also they are group by the same color by physical and chemical properties.

Reasoning: Write a three sentence statement that connects your evidence to your claim
about living organisms.

Answers

Answer:

Living organisms such as birds, animals, plants and microorganisms form the biotic component while land, air and water form the abiotic components. Biotic and abiotic components interact with each other resulting in transfer and replenishment of energy and nutrients.

Explanation:

4.
______ describes the average conditions of our atmosphere over a long period
of time.

Answers

Answer:

The answer is Climate.

Answer: climate


Explanation: weather is what conditions of the atmosphere are over a short period of time, and CLIMATE is how the atmosphere “behaves” over relatively long periods of time.

Can someone pls help me with this (8th grade science)

Answers

Answer:

A

Explanation:

As he kicks the ball the speed increases, where he kicks the ball also is a factor, since he kicks it in the same direction that is why it is choice A.

what position will kamala harris hold on sunday 20,2021

Answers

Answer:

Vice President?

Explanation:

Answer:

vice president she the first black woman,indian and woman to be vice president her innaguration was yesterday

Explanation:

Plants have an added layer that animal cells do not. What is that added layer called?

Answers

Answer:

a cell wall

Explanation:

the table show five of the most common chromosomal abnormalities that occur during reproduction. each abnormality cause significant alteration to the genome of the individual in which they occur. analyze the information in the table and determine the genotype of the abnormality that will result in a male having some female characteristics
a) down syndrome;xy
b)edwards syndrome;xx
c) turner syndrome;xyy
d)kilinefelter syndrome;xxy

Answers

Answer:

d)

Explanation:

The abnormality that will result in a male having some female characteristics is Klinefelter syndrome that is Option D is the correct answer. The Klinefelter syndrome, which has XXY genotype. This disease affects only the male

What are the different types of chromosomal abnormalities?

Chromosomal abnormalities are of different types; some are related to autosomes, and some are related to X and Y chromosomes. The down syndrome happens due to the trisomy in the 21st chromosome, which means instead of two chromosomes, there are three chromosomes.

In Patau syndrome, the trisomy is seen in the 13th pair of homologous chromosomes, and as a result, instead of two chromosomes, three are present. Klinefelter syndrome is associated with males who have an extra X chromosome. Infertility is observed as a result of this male display of female characteristics, such as behavioral changes. Turner syndrome is associated with females who have lost one X chromosome.

As a result, the correct answer is option D, which is Klinefelter syndrome, which is XXY.

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what adaptations facilitated movement of tetrapods to land - be sure to describe challenges that these adaptations helped them overcome.

Answers

Answer:

The second neck vertebra evolved to allow rotation of the neck for moving the head left and right. As tetrapod species continued to evolve on land, adaptations included seven or more vertebrae, allowing increasing neck mobility.

Explanation:

Which statement best describes the significance of meiosis to sexual reproduction?
A. It produces haploid gametes, with half the number of chromosomes.
B. It creates organisms with better adaptability to the environment.
C. It allows all types of cells to produce two sets of identical chromosomes.
D. It produces up to eight diploid cells, each with the same number of chromosomes.

Answers

D because the diploid cells

In meiosis sexual reproduction produce haploid cells to produce gametes and chromosome number is reduced, hence option a is correct.

What is meiosis in sexual reproduction?

Gametes or sex cells, which are needed for sexual reproduction are created during meiosis.

It deactivates the sporophytic information while activating the genetic information for the production of sex cells.

Meiosis is a kind of cell division that results in the production of four gamete cells and a 50% reduction in the number of chromosomes in the parent cell. To develop egg and sperm cells for sexual reproduction, this procedure is necessary.

Therefore in sexually reproducing organisms meiosis is important to produce gametes, hence option a is correct.

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what is the fundamental unit of matter?

Answers

the atom is the fundamental unit of matter.

(hope this helps ^^)

Men who are kidnapped for human trafficking are usually held under debt bondage or _____.

soldiering
peonage
sex slavery
sex tourism

Answers

Answer:

It is Soldering not peonage

Explanation:

Peonage is what they do for Men not young boys.

Men who are kidnapped for human trafficking are usually held under debt bondage or peonage. Option B. This is further explained below.

What is peonage?

Generally, Men who are kidnapped for human trafficking are frequently held hostage.

In conclusion,  peonage defines Men who are kidnapped for human trafficking.

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1. Explain how forces of attraction and repulsion exist within an atom.

Answers

Answer:

Oppositely charged particles attract each other, while like particles repel one another. Electrons are kept in the orbit around the nucleus by the electromagnetic force, because the nucleus in the center of the atom is positively charged and attracts the negatively charged electrons.

Explanation:

Answer:

1. Electrons surrounding a nucleus are attracted to the protons within it because electrons and protons have opposite charges. Electrons closest to the nucleus are attracted with such a force that they can’t escape from the atom. These electrons tend to shield the protons from electrons that are farther away because electrons have the same charge and repel each other. Electrons that are farther away have less attraction to the protons within the nucleus and are more likely to be detached from the atom.

2. Electrons can be transferred from atoms of one body to atoms of another body through friction. This can occur when one body is rubbed against another or when a liquid flows across a solid. In either case, one body may be given a positive charge while the other body is given a negative charge of the same magnitude. Both charges are developed at the same time. Electrons can also be transferred from one body to another when a charged body comes into contact with an uncharged body. The electrons move in the direction that will equalize the charges; thus, the uncharged body will be given the same charge as the charged body.

3. Free electrons move from points of negative charge to points of positive charge. When these electrons move freely from one point to another with little resistance, the material they’re traveling through is said to be a conductor. Conductors have a large number of free electrons. Insulators, on the other hand, have very few free electrons and offer great resistance to the movement of these electrons. Electric charges produced on one end of a body composed of insulating materials will most likely not spread throughout the body. In a conductor, this charge would spread throughout the entire body. Metals are generally conductors; oils, rubber, air, porcelain, and plastics are good insulators.

4.

Lightning is produced by the rapid transfer of free electrons when one of the following conditions exist: One part of a cloud is positively charged and a neighboring part of the same cloud is negatively charged. A positively charged cloud comes near a negatively charged cloud. A cloud with either a positive charge or a negative charge comes near the earth.

Explanation:

Pennfoster answer

what is human inference?​

Answers

Answer:

How humans draw conclusions.

Explanation:

what do you think about the human and his structure how it's made all the human structure​

Answers

Answer:

its a thousand of generation evolution i think as of darwins law of evolution

Answer:

Hey bro y have you came in my clan?

I m waiting for you....

I'll give u co leader

My id :- #LV89QRGCL

Plz help I don’t know the answer to this!!

Answers

Yea she is right its 28%

Which of the following is not a reason for cell devision?

A. DNA cannot be copied quickly enough in large cells
B.The cell gets too big to process and transport nutrients
C. Surface area to volume ratio becomes to large
D.New cells are needed for growth

Answers

Answer:

C

Explanation:

thats not true

Name of Tail-like organelle used by some protist

Answers

Answer:

flagellum

Explanation:

Flagellum enable some protist to move

Why does calcium concentration matter to a cell?

Answers

Answer:

HOPE IT MAY HELP YOU

Explanation:

Calcium-based signaling is used in many cellular and neuronal processes to initiate rapid responses to extracellular signals. Cells therefore maintain tight control over intracellular Ca2+ levels, using a variety of channels and pumps.

Answer:

to answer your question it is

Explanation:

Calcium-based signaling is used in many cellular and neuronal processes to initiate rapid responses to extracellular signals. Cells therefore maintain tight control over intracellular Ca2+ levels, using a variety of channels and pumps. ... neuron

Part D)
Think about pushing two boxes of different weights across the floor-one box is a lot heavier than the other box. How will the amount of force change as you push each box? Explain how this relates to energy expenditure of two people-one person who's heavler than the other.

This is on plato and edmentrum. :)​

Answers

Answer:

More force is needed to push the heavier box. Likewise, people who weigh more use more energy to move their bodies than people who weigh less.

Explanation:

copied directly from edmentum/plato

Answer:

More force is needed to push the heavier box. Likewise, people who weigh more use more energy to move their bodies than people who weigh less.

Explanation:

List three ways in which a sperm cell differs from other cells in the
human body

Answers

A sperm cell is the smallest human cells. An egg cell and a sperm are each other opposites

What is a component of amino acid not contained in starch
A. Amino acids contain hydrogen.
B. Amino acids contain oxygen.
C. Amino acids contain carbon.
D. Amino acids contain nitrogen.

Answers

Answer:

D. Amino acids contain nitrogen

Explanation:

...

Which of the following statements is true regarding electromagnetism?

All wires are electromagnetic.

Only wires carrying current are electromagnetic.

Only iron wires are electromagnetic.

Only copper wires are electromagnetic.

Answers

Answer:

Only iron wires are electromagnetic.

Only wires carrying current are electromagnetic.

Please help it’s due today!!

Answers

5. 1-10 of species per year. 6. More land area and wood products. This means that people around the world look for meat to eat and that people cut down trees that leads to deforestation for resources/materials. 7. A.stop urbanization from growing to rapidly B. If you take/cut down trees replant new one so that we don’t run out of oxygen.
I hope this helps!

Elisa feel tired because she has a condition

Answers

Answer:

I'm sorry to hear that.

Answer: Its because she has diabetes.

Explanation: Her cells are not getting enough glucose.

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if f(x)=x2+3x+5 what is f(3+h) According to Crevecoeur, what happened in the New World that didnt happen in Europe? Why?if you answer with random letters or things to get points, you will be reported. do yall know this one? Can you please put this mini paragraph in your own words?Next, school uniforms do not allow students to express themselves. Teenagers are at an age where they are trying to establish their identity. Is it fair to prevent them from exploring self-expression by making them wear uniforms? By taking away a students right to choose what to wear, we also take away the opportunity to express ourselves. Select the correct answer. Which sign or symbol will you use to lock cells for absolute cell reference?A. ampersandB. asteriskC. dollar signD. exclamation mark A disc jockey at a school dance has equal numbers of rock and pop songs that she randomly selects from. She designs a simulation to estimate the probability that the next three songs are all rock songs.Which simulation design could she use to estimate the probability?A. Number cubeLet 1,2,3,4 = rockLet 5,6 = popRoll cube three times. Repeat.B. Random DigitsLet 0,1,2,3 = rockLet 4,5,6,7,8,9 = popSelect three random digits. RepeatC. Number cubeLet even number = rockLet odd number = popRoll cube three times. RepeatD. Number cubeLet 1 = rockLet 2 = popRoll cube three times. Repeat 74ft 24ft bWhat is the length of the missing leg? PART A: What does the term lustrous most closely mean as used in paragraph 9?The stranger gazed about the room; and when his lustrous smile had glistened upon all the golden objects that were there, he turned again to Midas. A circle of radius 8 is inscribed in an isosceles trapezoid. The length of the larger base of the trapezoid is 20. Find the length of the shorter base.PLEASE ANSWER FAST do seeds need energy to germinate How does emergency contraception reduce the risk of pregnancy?A. It stops the release of eggs from the ovaries.B. It improves the movement of sperm.C. It destroys the fertilized egg. Which describes an interaction within the musculoskeletal system? I answer most of them with the help of others here. But, Im unable to answer number 6 & 7. Can someone please help. Its due tomorrow morning.7. You (familiar) get dressed 6. You (formal) get dressedPlease make sure that it will fit in the place its supposed to be. Thank you, and I hope your having a great thanksgiving! Also if any of my answers are wrong please correct them too. help! open the attachment below! Which of the following contributed to the Whiskey Rebellion?Which of the following contributed to the Whiskey Rebellion?1 Farmers could not afford the tax on whiskey.2 Farmers found whiskey difficult to transport3 Spain was blocking trade along the Mississippi River.4 The federal government was overprotective of the settlers. How do you create an argument in support of a sub claim? Which reason correctly identifies why Brazil has such a significant Portuguese influence?A. Portugal and Brazil are extremely close to each other.B. Argentina hated Portugal, and Brazil hated Argentina, so they adopted their culture.C. Brazil was uninhabited prior to being colonized by Portugal.D. Brazil was a Portuguese colony, and the King of Portugal fled to Rio de Janeiro after Napoleon conquered Portugal where he remained even after Napoleons defeat. 18. 4x +3=15+2x Can someone help me solve this number and also 19,20,21,22,23,24,25 What number will be output by the console.log command on line 7? *2 pointsCaptionless Image Which of the following was caused by the poor water and sewage systems in most U.S. cities during the late 1800s?