Which would best be used as an index fossil?
O A. alligator bones, because they have lived a long time with relatively few changes in body structure
O B. petrified wood, because it clearly shows the parts of the wood replaced by minerals
O C. sedimentary rock, because it is found in horizontal layers created in succession
O D. trilobites, because they lived for a short period of time and then became extinct

Answers

Answer 1
The answer is D. Trilobites
Answer 2
D. Trilobites hope this helps :)

Related Questions

When the pressure of a gas decreases, which quantity will increase, assuming all other variables are held constant? (1 point)
R
т
n
V

Answers

Answer:

V i think

Explanation:

Answer:

The correct answer is V

Explanation:

Because this is the answer

what is the approximate size of the chloroplast genome in base pairs?

Answers

Answer:

between 115 and 165 Kb

Explanation:

Which form of heat transfer takes place when you touch a hot stonea. convectionb. subductionc. conductiond. radiation

Answers

It should be the radiation
it should be radiation if i’m correct

Explain how products produced by photosynthesis relate to those used by respiration.​

Answers

Answer:

Photosynthesis converts carbon dioxide and water into oxygen and glucose. ... Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process.

Explanation:

which statement about mitosis and cytokinesis is true?

Answers

Answer:

At the end of cytokinesis there are two daughter cells with a normal complement of diploid genetic material.

Explanation:

hope this helps you if it does please mark brainiest

Answer this please
fastest answer gets brainliest!!

Answers

Answer:

Photosynthesis is a process that plants go through to make their food. They gather carbon dioxide and nutrients through their roots such as water. they make sugar with it.

Explanation:

hope it helps. look it up.

Please help!!!
What happens when oxygen, carbon dioxide and glucose molecules diffuse across the cell membrane? Explain in your own words

Answers

Answer:

Simple diffusion is responsible for the spread of an air freshener through a room, or of a few drops of dye to eventually turn a glass of water a uniform color. Molecules naturally disperse from areas of higher concentration to lower concentration.

As oxygen-rich (and carbon dioxide-poor) blood travels by a cell the oxygen diffuses through the cell membrane to the area of lower concentration inside the cell. It can do this easily because the oxygen molecule (O2) is very small and has no charge or polarity. The oxygen is used up rapidly by mitochondria. This rapid consumption causes oxygen to constantly move into the cell from the blood.

Explanation:

Simple diffusion is responsible for the spread of an air freshener through a room, or of a few drops of dye to eventually turn a glass of water a uniform color. Molecules naturally disperse from areas of higher concentration to lower concentration.

As oxygen-rich (and carbon dioxide-poor) blood travels by a cell the oxygen diffuses through the cell membrane to the area of lower concentration inside the cell. It can do this easily because the oxygen molecule (O2) is very small and has no charge or polarity. The oxygen is used up rapidly by mitochondria. This rapid consumption causes oxygen to constantly move into the cell from the blood.

Somebody help me please

Answers

Answer:unsaturated

Explanation: srry if I'm wrong

The
layer of the skin is made of dead cells.

Answers

Explanation:

The stratum corneum, which is the outermost epidermal layer, consists of dead cells

A process in which a large nucleus splits into two or more parts is called:

Answers

Answer:

Nuculear Fission.

A process in which a large nucleus splits into two or more parts is called nuclear fission.

What is nuclear fision?

The term nuclear fission refers to the breaking apart of a large nucleus to give daughter nuclei with the accompanying release of energy. We have to note that usually the nucleus is bombarded by a small particle.

Hence, a process in which a large nucleus splits into two or more parts is called nuclear fission.

Learn more about nuclear fission: https://brainly.com/question/13805601

What does the process of photosynthesis produce?

Answers

Answer:

air for us to breathe

Explanation:

the plants taken in our carbon dioxide and give us oxygen

is the blood glucose level an example of osmoregulation

Answers

Answer:          yes it is I think

Explanation:

A covalent bond forms due to _____.

a. Sharing of electrons

b. Transfer of electrons

c. Losing or gaining electrons

d. All of the above

Answers

C l hope it's right : )

which condition can cause a forward tilt of the pelvis and an increased curvature of the lower back?

Answers

Answer:

Tight hip flexor muscles

which scientist stated that all animals are made of cells?

Answers

Ehehe brainschell needshh me omskrtt

Answer:

Theodor Schwann

Explanation:

Brainliest would be appreciated!!

What happens to a population when emigration decreases?

Answers

Answer:

Emigration decreases the population. the answer is B

Explanation:

If the immigration decreases they have no food they they will die out.

Which structure is the statement below most likely referring to?
A large glucose molecule requires facilitated diffusion, but
an oxygen molecule does not.
A. A permeable membrane
B. A semipermeable membrane
C. A cell wall
ОО
D. A chloroplast
SUBMIT
Science

Answers

Answer is B: A semipermeable membrane

A student is looking through a microscope at some cells of an onion root tip. Many of these cells are undergoing division since the root tip grows quickly and requires more cells. Which cell is going from metaphase into anaphase? W X Y Z


GIVING BRAINIEST TO FIRST PERSON TO ANSWER IT CORRECTLY!!!

Answers

Answer:

A student is looking through a microscope at some cells of an onion root tip. Many of these cells are undergoing division since the root tip grows quickly and requires more cells. Which cell is going from metaphase into anaphase? W X Y Z

It's y

The cell Y is transitioning from metaphase to anaphase.

What is metaphase?

The chromosomes are at their second-most compacted and coiled state during the mitotic stage of the eukaryotic cell cycle, known as metaphase. These chromosomes, which contain genetic material, align in the cell's equator before being divided into the two daughter cells.

A phase of cell division known as "metaphase" (mitosis or meiosis). Individual chromosomes are typically dispersed throughout the cell nucleus. During metaphase, the cell's nucleus disintegrates and the chromosomes condense and migrate toward one another, aligning in the middle of the dividing cell.

The duplicate genetic material existing in a parent cell's nucleus is divided into two identical daughter cells during the third stage of mitosis, known as metaphase.

To learn more about metaphase refer to:

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the lysis of red blood cells in blood agar is indicative of the presence of which enzymes?

Answers

 cause of hemolysis is the action of hemolysins, toxins that are produced by certain pathogenic bacteria or fungi. Another cause is intense physical exercise. Hemolysins damage the red blood cell's cytoplasmic membrane, causing lysis and eventually cell death.

Explanation: One cause of hemolysis is the action of hemolysins, toxins that are produced by certain pathogenic bacteria or fungi. Another cause is intense physical exercise. Hemolysins damage the red blood cell's cytoplasmic membrane, causing lysis and eventually cell death.

BAP assesses an organism's ability to produce hemolysins, enzymes that damage/lyse red blood cells (erythrocytes). The degree of hemolysis caused by these hemolysins aids in the identification of members of the genera Staphylococcus, Streptococcus, and Enterococcus.

What hemolytic pattern does S aureus shows on BAP?

On blood agar plates, colonies of Staphylococcus aureus are often encircled by zones of clear beta-hemolysis. The golden appearance of colonies of some strains is the etymological root of the bacteria's name; aureus meaning "golden" in Latin.

The action of hemolysins, toxins produced by certain pathogenic bacteria or fungi, causes hemolysis. Intense physical activity is another cause. Hemolysins cause lysis and eventually cell death by damaging the cytoplasmic membrane of red blood cells.

The action of hemolysins, toxins produced by certain pathogenic bacteria or fungi, is one cause of hemolysis. Intense physical activity is another cause.

Thus, Hemolysins cause lysis and eventually cell death by damaging the cytoplasmic membrane of red blood cells.

To learn more about the BAP, follow the link;

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I will mark brainliest I’m sorry if I put this in the wrong. Category
The image shows embryos from four different animal species in an early stage of development.
pe
Fish Embryo,
31 Hours
Chick Embryo,
6 Days
Mouse Embryo,
11 Days
Human Embryo
41 Days
Which conclusion can be drawn from these data?
Choose the correct answer
#1Fish develop more slowly than chickens, mice, and humans.
#2Fish embryos cannot be distinguished from chicken embryos.
#3Mice and humans have no similarities during development
#4Humans are more closely related to mice than they are to chickens or fish

Answers

Answer:

#4 Humans are more closely related to mice than they are to chickens or fish.

Explanation:

If you compare the human embryo with the mouse embryo, you can tell they look very similiar, like in the way they curl up and in their eye placement/size. With the other two- fish and chickens- they look extremely different in comparison to the human embryo. The comparisons that i used before (eye placement/size and formation) I'll use as an example. They look nothing similiar to each other, therefore the answer is #4.

Hope this helps :)

what would happen to the variation between organisms in a population if their dna polymerase did not have a proofreading function?

Answers

Answer:

What would happen to the variation between organisms in a population if their DNA polymerases did not have a proofreading function? ... It unwinds DNA.

Explanation:

How are solar cells used today?

Answers

Answer:The most commonly used solar technologies for homes and businesses are solar photovoltaics for electricity, passive solar design for space heating and cooling, and solar water heating.

Explanation: Solar cells can be arranged into large groupings called arrays. ... These arrays, composed of many thousands of individual cells, can function as central electric power stations, converting sunlight into electrical energy for distribution to industrial, commercial, and residential users.

How can you tell, when you look at a cross section of a young stem, whether it is a dicot or a monocot?​

Answers

Answer:

Monocot and dicot stems differ in the arrangement of their vascular system

All stems have nodes, internodes, and axillary buds; these features distinguish them from roots and leaves, which do not have them.

Hope this is helpful

what type of growth is this how could you tell ​

Answers

are there any directions?

____________
When an enzymes breaks down or change shape

Answers

Answer:

An enzyme’s shape is tied to its function. Heat, disease, or harsh chemical conditions can damage enzymes and change their shape. When this happens, an enzyme doesn’t work anymore. This affects the body processes the enzyme helped support.

Explanation:

Hope this helps :)

Discuss the effects of deforestation on the following:
(a) Environment
(b) Earth
(c) The next generation​

Answers

Answer:

The environment

Explanation:

Because deforestation cause erosion , flooding and desertification which affects the environment

If two glasses of water are at the same temperature, the average kinetic energy of the particles of water in each glass is the same.True orFalse

Answers

Answer:

True

Explanation:

Temperature is the measure of average kinetic energy of objects, in this case it is water in a glass. If both temperatures are the same, then both average kinetic energies are the same.

what
term can be used to describe the organizational level of the brain in the human body?

Answers

Answer:

The brain has three main parts: the cerebrum, cerebellum, and brainstem

Explanation:

Cerebrum: is the largest part of the brain and is composed of the right and left hemispheres. The  Cerebellum is located under the cerebrum. Its function is to coordinate muscle movements, maintain posture, and balance.

Can somebody help me?

Answers

Answer:

a

Explanation:

How long can fingerprints stay on plastic if stored correctly?

Answers

Answer:

over 7 yrs...............

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Explain why Mexico is one of Texas biggest trading partners. Escoge la conjugacion correcta del futuro, segun el contexto.1. Maana (yo ir) a verte.A. vayaB. iraC. irD. ir2. Nunca (t tener) tanta suerte como ahora.A. tendrsB. TenersC. tendrasD. tienes3. Ella (venir) de vista la semana que viene.A. vieneB. vendraC. venirD. vendr4. Cundo (nosotros poder) conocer a tu novia?A. podremosB. poderemosC. puedemosD. podrmos5. Ellos (trabajar) todo el fin de semana.A. trabajaranB. trabajanC. trabajarnD. trabajen6. El ao que viene (yo querer) ir a Australia.A. querrB. querC. quierreD. quiero7. Cuando (t aprender) chino?A. aprenderasB. aprendersC. aprendasD. aprendes8. En la fiesta del viernes l no (estar).A. estaraB. estaraC. estD. estar9. Nosotros nos (poner) la ropa ms elegante para la graduacinA. pondremosB. ponemosC. pondramosD. pusiramos10. Ellos no (entender) la leccin.A. entendernB. entenderanC. entiendenD. entenderan Its urgent, please help!!!!!!!!!!!!!!!!! Which value from the set {4,6,8,10} will make p+p+p+p=24 true?A.4B.6C.8D.10 A country's population in 1992 was 103 million. In 1997 it was 108 million. Estimate the population in 2012 using the exponential growth formula. Round your answer to the nearest million.p=Aekt Researchers are confident that they can boost suberin production by this many times? This is for science btw Which of the following is a non-rigid transformation? Help ASAP Here is a system of linear equations: -2x + y = 7 6x + y = 11What is the solution to the system of equations shown?A(1/4, 7 1/2)B.(2, 11)c.(1/2, 8)D.(3, -7)Yes Which of the following are seaweed adaptations that allow it to survive? (Choose allthat apply).holdfasts to hold onto rocksair-filled sacs on fronds for floatingcilia for movement in waterslime coating to prevent drying outfronts that allow them to bend with the waves Your company, a small start-up corporation, buys raw materials from Regina Fabrics on credit. Because her company has had several problems over the recent months, Regina demands either full payment in advance or a guaranty from someone with proof of assets to cover the debt. Your company does not have the cash on hand but you have sufficient assets to cover the debt and so you sign a guaranty on a six-month loan for the fabric. After two months, your company has the cash to pay off the loan and your financial officer offers to pay Regina. Because of some issues with her company, she refuses to accept payment and requests that you continue to pay the monthly payments. A month later your company is now short on cash and Regina comes to you as the guaranty and requests that you make the payment. You are unhappy that she didn't accept the payment when you had the cash. Evaluate whether or not you should have to pay as the guaranty. Write the rule that defines the function represented by the table write down the temperature which is 5 degree below -2 Help,No Links or i will report and i will give brainliest to first person who answers Rylee saw a cell under a microscope and drew what she saw. This cell is classified as Think of a time you overcame a challenge or obstacle. Describe the experience in two to three sentences. 5. Explain the process through which natural selection can lead to a new species of organism. What is the genetic make-up of an organism? You want to buy a pet lizard that costs $57. You already have $18 and youplan to save $8 per week. If w represents the number of weeks until youhave enough money to buy the lizard, what equation could you use to findthe value of w? Which test would we use to show a relationship between one population and two catergorical variables ? Please help, thank you so much! I'll give brainliest to the correct answer whenever I can! Which of the following may be one reason why children dont attend school?The schools are always under attack by rebels.The children have to get water for the family, and it takes a long time.The children are not interested in school; they'd rather work in the fields.