what fossil layer will corals be present in

Answers

Answer 1

Answer:

polyp

Coral polyps secrete a rock-like skeleton of calcium carbonate around them. Calcium carbonate is also the dominant consituent of the rock, limestone. Because modern corals live in large colonies, these skeletons can become quite large, sometimes forming reefs.the soft tissue decays which leaves a hard skeleton behind the skeleton also that was preserved as a fossil of ancient coral and the coral that exists today all belong to the order of  Scleractinia (SCLER-ac-TIN-ee-a). in the past the fossils found today lead to the conclusion that their where other kinds of coral which are now extinct The order Rugosa was dominated by solitary corals in which each coral polyp had its own skeleton. Rugose means wrinkled or rough, and the outer surfaces of most rugose coral skeletons has a wrinkled appearance. Because some of the solitary rugose corals formed horn-shaped skeletons, they are called horn corals. Some Rugose corals also formed colonies and coral heads. The order Tabulata consisted entirely of groups of coral animals that lived in large colonies with a shared skeleton. These colonial corals grew in mounds, branching shapes, as chain-like shapes, and even in shapes resembling pipe organs.

Explanation:


Related Questions

Do trees keep their internal parts separate from the outside environment?

Answers

Answer:

yes, they do.

Explanation:

Look at the images below and order them from smallest to largest, using 1 for the smallest unit and
3 for the largest
Plant Cell
Atom
Molecule

Answers

Hey :)


3- plant cell
2- molecule
1- atom

Hope this helps :)

Plants are made up of _________________, _______________________, ________________________, ________________________, and __________________.

Answers

Answer:

nucleus, chloroplasts, cell wall, cell membrane, mitochondria, cytoplasm and vacuole

Explanation:

I think this is right.

I hope this helps! :)

Answer: cell wall, rna, dna, glucose, ribosomes

Explanation:

Historically, wildfires were viewed as detrimental to forest ecosystems

Please select the best answer from the choices provided

OTrue

OFalse

Answers

Answer: True

:))))))))))))))))

A this is true so pick true for the correct answer

I really need these answers

Answers

Answer:

Down There

Explanation:

1) The Bushmaster has the highest mortality rate.

2) The Southern United States Copperhead has the least mortality rate.

3) I can determine that the Bushmaster's venom works the fastest due to it being the one with most deaths produced. While the U.S. Copperhead's venom might work the least since most people survived its venom.

4) The Black-necked Cobra and the Puff Adder

5) 10 types of snakes.

Hope it helps!! :D

2. The Southern US Copperhead has the lowest mortality rate

Every single cell organism is able to survive because it carries out

Answers

Every single celled organism is able to survive because it carries out metabolic activities. Metabolic activity is a set of chemical reactions which are needed for an organism to maintain it's life.

Every single cell of an organism is able to survive independently because it carries out metabolic processes at its own.

What is Metabolism?

Metabolism can be defined as the chemical changes or reactions which take place in a cell or an organism. These changes make energy and the compounds which cells and organisms need to grow, reproduce, and stay healthy.

Metabolism is divided into two classes: anabolism and catabolism.  Anabolism involves the synthesis of a complex compound from simpler or smaller molecules or atoms. Catabolism involves the breakdown of a complex molecule into smaller and simpler ones.

Living organisms are able to perform the metabolic processes such as respiration, excretion, reproduction, and digestion which is a distinguishing factor from that of non-living organisms.

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the prefix ad placed in front of a word means what

Answers

Answer:

a prefix occurring in loanwords from Latin, where it meant “toward” and indicated direction, tendency, or addition: adjoin.

Which human activity is correctly paired with its likely future consequence?
overfishing in the Atlantic - increase in supply of flounder and salmon as food for people
2.
development of electric cars or hybrid vehicles - increased rate of global warming
3
use of fossil fuels - depletion of underground coal, oil, and natural gas supplies
4
genetically engineering animals - less food available to feed the world's population

Answers

3

- it logically implies to it (cause and effect) the others don’t go along

Which trait can be passed from one generation to the next by genes? A. The ability to speak German B. Red hair color C. A broken arm D. A shaved head
Plz help me ​

Answers

Answer:

Red hair color

Explanation:

i promise you im right.

Answer:

red hair color.

Explanation:

because red hair is a gene that you can get from you parent or some other family members. a shaved head you cut, speaking german is a trait YOU learn and that you don't get from a member of your family

WILL MARK BRAILIEST. Can someone help me wit des seven questions? (The issue is Air Pollution.)

1.) What is the issue? (Briefly describe the issue.)

2.) How does your issue affect 3 or more specific characteristics of the Chesapeake Bay?

3.) What specific actions are people taking to solve this issue or improve the situation? (Include 3 or more actions.)

4.) Describe how those actions will most likely affect the Chesapeake Bay. (Be as specific as possible.)

5.) In what ways does the Chesapeake Bay provide habitat?

6.) In what ways does the Chesapeake Bay provide opportunities for recreation?

7.) In what ways does the Chesapeake Bay provide opportunities for jobs and businesses ?

Answers

1. Air pollution is the presence of substances- such as carbon monoxide, nitrogen oxide, lead and sulfur dioxide- in the atmosphere that are harmful to the health of living beings, or damaging to the climate or other materials. Some causes of air pollution are burning of Fossil Fuels, aricultural Activities and waste in landfills

2. Air pollution from from power plants, vehicle exhaust, and other man-made causes have caused great affects to Chesapeake bay. Firstly, nitrogen from the air enters the Bay via the rain, which contribute to algal blooms. These algal blooms absorb oxygen from the water and create dead zones that cannot sustain marine animal or plant life.

Secondly, pollution from the power plants in the area- consisting mainly of the toxic chemical mercury- pose risk to anglers in the area. These contaminants can bind to sediment and enter bodies of small, bottom-dwelling organisms like worms, clams or crustaceans. Through a process known as bioaccumulation, fish that consume contaminated organisms can accumulate these toxins in their own tissue. Anglers are warned to limit their consumption of certain fish from the Bay due to potentially harmful levels of the chemical.

Lastly, exposure to air pollution will affect those living in, and visiting, the Bay. Air pollution can also cause headaches, dizziness, and nausea, as well as long-term health effects including heart disease, lung cancer, and respiratory diseases such as emphysema. Air pollution can also cause long-term damage to people's nerves, brain, kidneys, liver, and other organs

3. The Chesapeake Bay is arguably the most studied large body of water on earth. Forty years of intense scientific investigation by leading estuarine scientists have identified why the Chesapeake is degraded and how to fix it. No other water body in the world can boast this level of scientific understanding.

The first action being taken to protect the bay from air pollution is by planting more plant life in the area. Through a process called attenuation, forests can reduce the amount of pollutants in the air. The plants roots and leaves and forest soils absorb and trap airborne pollutants. They can capture more than 85 percent of the nitrogen that falls onto them from the air, keeping it out of the bay.

Secondly people are changing the way they travel around and near the Bay. To lower air pollution people consider learning how to drive the Bay-friendly way; walk bike, take public transport and carpool when possible. They also try to use electric or manual lawn mowers and yard tools instead of gas-powered machines.

Thirdly, the Environmental protection agency developed the Chesapeake Bay Total Maximum Daily Load in 2010 (TMDL). It set limits on the amount of nitrogen, phosphorus, and sediment that can enter the Bay and its tidal rivers to meet water quality goals. Ever since, the EPA has kept track on the progress of the Chesapeake Bays health.

4.

In planting more trees and plants near the Chesapeake Bay area, it will prevent some sediment and pollutants entering the water. The plants roots and leaves and forest soils absorb and trap airborne pollutants. They can capture more than 85 percent of the nitrogen that falls onto them from the air, keeping it out of the bay through attenuation.

Secondly by reducing the amount of pollutants entering the air via petrol powered machines and cars, the amount of pollutants entering the waters will decrease. Each year, more than 85 million pounds of nitrogen pollution—about one-third of the Bay's total yearly load—comes from air pollution, and with 18 million people living in the Chesapeake Bay watershed, you can imagine how much difference cutting down on transport generated pollution would make.

Finally setting the TMDL will aid in preventing the amount of pollutants in the water reaching a high concentration and hopefully reduce the amount of algal blooms and dead zones within the bay.

5. The bay provides habitat for many organisms. Amongst forests, rivers and streams, shallow waters, beaches and tidal flats, aquatic reefs, wetlands and waters- the bay supports life such as crabs, fish, birds, worms, molluscs, corals, aquatic plants, trees and shrubbery and amphibians.

6. There are many opportunities for recreation in Chesapeake Bay. For example hiking, bike riding, hunting, bird watching, boating, fossil hunting, fishing and golfing.

7. The Chesapeake Bay provides job opportunities for scientists in terms of studying the waters and the ecosystems existing within it, those wishing to attract tourists through the marketing of outdoor activities, those who work in the nearby native American or maritime museums and those selling seafood such as fishermen

How do changes in the environment influence ecosystem stability?

Answers

Depending on the change in the environment for example the global warming is melting the poles which affect marine life because of the chance of temperatures

How long does it take for a jellyfish to reproduce

Answers

Answer:

A jellyfish might spend one year as a medusa, but it can spend several years in the polyp stage. Polyps are stationary and reproduce asexually. The method of reproduction used by jellyfish polyps is known as budding, and it does look like a plant growing a new bud for a flower.

I would really appreciate it if you help me.

Answers

Answer: H

Explanation:

Answer: well at least i helped you

Explanation:0

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. The different types of light the plants were put under.

Explanation:

In an experiment, the independent variable is the variable that is changed or manipulated by the experimenter in order to bring about a measurable response.

In this experiment, Suzie Q wants to know the effect of different colors of light on the growth of plants. The different types of light used are; white light, blue light, green light, red light. Therefore, the independent variable is the DIFFERENT TYPES OF LIGHT THE PLANTS WERE PLACED UNDER.

does breast cancer occur in men? what are the signs and symptoms?

actually anatomy & physiology

Answers

Answer:

Yes

Explanation:

Breast cancer can occur in men. Symptoms can include a hard lump in the breast area, nipple discharge, the nipple turning inwards, and/or a rash around the nipple.

I have never heard dog and Brest in the same sentence till now

The formula below represents the most common carbohydrate known as glucose. It is classified as a monosaccharide. Glucose is synthesized by chlorophyll in plants as they use carbon dioxide from the air and sunlight as an energy source during the process of photosynthesis.

C6H12O6


Which information can be determined from the chemical formula?

Answers

Answer:

The number of atoms of each element in a glucose molecule

The information that can be determined from the given formula is the number of atoms of each element in a glucose molecule. The correct option is D.

What is an element?

Any substance that cannot be decomposed into simpler substances by ordinary chemical processes is referred to as a chemical element. Elements are the fundamental building blocks of all matter.

An element is a pure substance that cannot be broken down into simpler substances through physical or chemical means.

An element is composed of the same type of atoms. Metals, nonmetals, and metalloids are the three types of elements. The symbols for the elements are used to represent them.

Glucose is made up of three elements: carbon, hydrogen, and oxygen. 6 carbon atoms bonded together in a chain with oxygen and hydrogen atoms.

The formula for the glucose can be illustrated as [tex]C_6H_1_2O_6[/tex]

Thus, the correct option is D.

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Your question seems incomplete, the missing options are:

A. The structural arrangement of the atoms in a glucose molecule

B. The color of a glucose molecule

C. The size of a glucose molecule

D. The number of atoms of each element in a glucose molecule

carrying capacity can vary depending on environmental conditions.

True or False

Answers

the answer is true. hope this helsp

Answer:

true

Explanation:

What's the function of prop roots?

Answers

Explanation:

plays a substantial role in endowing certain plants with extra structural support.

Answer: The roots of a plant function in many different ways, including absorbing nutrients and water, providing anchorage, and acting as a food storage site.

Explanation:

It can be more than one

Answers

Answer:

Only the matter stored in body tissues

Explanation:

Cuz the seal took some of the matter for itself :)

A famous celebrity has an extreme security system for their estate. The security system includes sensors in the ground as well as on the sides of the buildings. A loud truck drives down the road entering the estate. There is a sensor in the ground and another on the side of the security guard’s shed. If both sensors are 100m from the truck, which sensor will pick up the noise of the truck first and why?

A.
Guard Shed - The sensor on the security guard’s shed will detect the sound first because the sound is traveling through the air and sound will travel fastest through a gas.

B.
Ground - The sensor in the ground will detect the sound first because the sound is traveling through the dirt and sound will travel fastest through a solid.

C.
Same time - Because the sound is traveling through both the ground and the air at the same time, it will reach both the shed and the ground sensor at the same time.

D.
Neither sensor - 100m is too far for the sound to travel. Neither sensor will pick up the sound of the truck until it is closer to them.

Answers

Answer:

B. Ground - The sensor in the ground will detect the sound first because the sound is traveling through the dirt and sound will travel fastest through a solid.

Explanation:

Sound wave is an example of mechanical wave, which means sound waves require a medium to travel through. However, how fast a sound travels is dependent on the kind of medium it travels through. Sound travels fastest via a SOLID medium, then liquid and slowest through gases.

According to this question, sensor in the ground and side of the security guard’s shed were placed in an estate owned by a famous celebrity. A loud truck, then, drives down the road entering the estate.

Based on the principles of sound eaves movement, the sound from the truck will be picked by the sensors in the GROUND first because the sound is traveling through the dirt and sound will travel fastest through a solid.

Leukemia is a malignant progressive disease in which the bone marrow and other blood-
forming organs produce increased numbers of immature or abnormal white blood cells.
Which statement about cell cycle checkpoints describes how this disease occurs?
A Dysfunctional checkpoints may lead to abnormal cell growth.
B Defective checkpoints result in death of a cell.
C Normal checkpoints assess damage to cancer cells.
D Cell checkpoints fail only in meiosis.
What would this be.

Answers

Answer:

A Dysfunctional checkpoints may lead to abnormal cell growth.

Explanation:

One of the hallmarks of cancer is unregulated cell proliferation. This means cells keep dividing, producing large numbers of often abnormal cells.

There are many of ways this can happen, such as increased signals telling the cells to divide, and dysfunctional cell cycle checkpoints that do not stop the cell from dividing. This leads to the accumulation of mutations and abnormal cell growth.

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Which form of precipitation would you predict when you see a cloud shaped like a column in the sky during the summer at an above freezing temperature? (2 points)

Group of answer choices:

Heavy rain and hail

Light rain, sleet, and snow

Heavy snow and strong winds

Clear skies with no precipitation

Answers

Answer:

light rain sleet and snow

A)

Column shaped clouds usually mean that heavy precipitation is on the way.  

A fair amount of the world's precipitation falls as snow or some other solid water form. Actually, outside the tropical regions, it is likely that the much of the precipitation begins in the solid form and only becomes liquid rain when it melts while falling through air with temperatures above freezing.

15. Briefly explain how the gel (or DNA fingerprint) is made after DNA has been amplified.

Answers

Answer:

Like the fingerprints that came into use by detectives and police labs during the 1930s, each person has a unique DNA fingerprint. Unlike a conventional fingerprint that occurs only on the fingertips and can be altered by surgery, a DNA fingerprint is the same for every cell, tissue, and organ of a person. It cannot be altered by any known treatment. Consequently, DNA fingerprinting is rapidly becoming the primary method for identifying and distinguishing among individual human beings. DNA fingerprints are also useful in several applications of human health care research and for diagnosis of inherited disorders. DNA fingerprinting is often used in the justice system to link suspects to biological evidence and solve paternity cases.

Explanation:

DNA sample: A DNA sample that will be examined must first be gathered. DNA extraction: Using the lysis process, DNA is then extracted from the sample.

What is DNA fingerprint?

Restrictions endonucleases:The DNA fragment is cut at a particular place by a specific restriction enzyme.

Alec Jeffrey, a British biologist, created the DNA fingerprinting technique in 1984 after noticing that some highly variable DNA sequences, or minisatellites, that are repeated inside genes but do not affect their activities.

In DNA fingerprinting, a gel-like fluid is used to distinguish between DNA molecules that move at various speeds. A DNA molecule that is huge moves slowly, whereas a DNA molecule that is little moves quickly.

Therefore, DNA molecules are divided in gel electrophoresis according to size. When DNA molecules are divided into distinct sizes, bands of DNA are created.

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A student designed an experiment to determine if air temperature had an effect on the rate of photosynthesis in corn plants. A constant in this experiment is the
A.Air temperature at which the corn plants were grown
B.Amount of carbon dioxide used by the corn plants
C.Volume of oxygen produced by the corn plants
D.Number of corn plants used

Answers

Answer: A) the air temp at which the corn plants are grown

Explanation:

The independent variable is the one that changes based on what problem/ question the experimenter is trying to solve. The student is trying to see if the air temp has an affect on the rate of photosynthesis so they whorls use various temps and measure the rate

The constant in this experiment is the number of corn plants used.

WHAT IS A CONSTANT VARIABLE:

In an experiment, a constant or control variable is a variable that is kept the same for all groups of the experiment.

The independent variable is tested to bring about a change in a dependent variable in an experiment. However, every other variable of the experiment must be kept constant. These variables are called CONSTANT.

In this question, the independent variable is the air temperature while the dependent variable is the rate of photosynthesis.

A constant in this experiment is the number of corn plants used. The number used must be the same for all groups.

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If excessive amounts of hot water are discharged into a lake, the immediate result will most likely be

Answers

Answer:

all of the wildlife within the lake would go into shock

Explanation:

wildlife such as fish go into shock very easily when it comes to change in temperatures! a goldfish dropped straight from it's baggy into a bowl is far more likely to go into shock and die than one who was adjusted to the water temp first.

What is hypothesis (full explanation no copy right)

Answers

A hypothesis is a explanation made off on limited evidence that need further observation

what is an example of a question someone might ask to start a descriptive investigation?

Answers

Explanation:

where were you last night and what we're you wearing

All changes saved
1. If a cell's organelle worked in an actual human factory and had the role of the electric generator,
which organelle would it be?
O mitochondrion
O lysosome
ribosome
Golgi apparatus

Answers

Answer:

mitochondrion

Explanation:

Which type of chemical bonds shares electrons?

Answers

answer : Convalent bonds

Award 80 points!b
What stage of mitosis is indicated in the picture below: (Whitefish blastula slide)
A Prophase
B Metaphase
C Interphase
D Anaphase
E Telophase

Answers

Answer:

c or b more likew c

Explanation:

Answer:

Metaphase on edge

Explanation:

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