16. The part of a coral polyp that creates the structure of a coral reef is

a. its external skeleton.

b. coral sand.

c. its fecal waste.

d. all of the above

Answers

Answer 1

Answer: It should be B


Related Questions

Which of these is an example of point-source pollution?

A. Air pollution from all the airplanes at an airport

B. Wastewater from a suburban development

C. Air pollution from the smokestack of a factory

D. Wastewater from a metropolitan area

Answers

My guess would be c


Hope this helps

Answer: C) Air pollution from the smokestack of a factory.

Explanation:

why do prevailing winds and positions of islands cause warm ocean currents to pass Christchurch in normal years

Answers

Prevailing winds and positions of islands cause warm ocean currents to pass Christchurch in normal years for the following reasons:

The prevailing winds in the region are generally from the southwest.The position of islands such as New Caledonia and Norfolk Island can also influence the movement of warm ocean currents in the region.

In the case of Christchurch, there are a few reasons why warm ocean currents tend to pass by the region in normal years:

Warm ocean currents are typically driven by prevailing winds, oceanic currents, and other factors such as the shape of coastlines and the positions of islands.

The prevailing winds in the region are generally from the southwest. These winds blow parallel to the coastline, which means that warm ocean currents are deflected away from the shore and towards the east. As a result, the waters off the coast of Christchurch are generally cooler than those further north or northeast. The position of islands such as New Caledonia and Norfolk Island can also influence the movement of warm ocean currents in the region. These islands help to direct the flow of warm water towards the Coral Sea and the Tasman Sea, rather than towards the coast of New Zealand. This means that Christchurch, which is located on the eastern coast of the South Island, is less likely to experience the effects of warm ocean currents.

Note: That oceanic currents and winds can be affected by a range of factors, including El Niño and La Niña events, which can cause changes in sea surface temperatures and alter the path of ocean currents. As a result, there may be some years when warm ocean currents do reach Christchurch, even if this isn't typically the case in normal years.

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Throughout the day, activities in the liver, kidneys, and endocrine glands undergo large changes. Body temperature, blood pressure, and amino acid levels also shift from hour to hour. In fact, people tend to be more energetic and alert when these and other activities are at their highest point once a day. This is a description of Group of answer choices

Answers

Answer:

Circadian rhythms.

Explanation:

Stimulus in biology can be defined as an obvious change in either the chemical or physical structure of an organism' environment (either external or internal). All living organisms (both plants and animals) respond to changes in their environment and as such an appropriate reaction or response is made. Also, stimulus arising from within the organism is known as internal stimulus while those from its environment are known as the external stimulus.

In organisms, the specialized cells that detect stimulus are generally known as sensory receptors while a group of these receptors is referred to as sense organ.

Since both plants and animals respond to environmental stimuli, it simply means that, these living organisms have physiological cycles referred to as circadian rhythms.

Circadian rhythms is a natural internal process that controls the physical, mental, and behavioral changes in living organisms such as the sleep-wake cycle. The circadian rhythm is simply the internal body "24 hour" clock.

For example, there are large changes in the activities that happens with respect to the organs such as kidney, liver and endocrine glands within the body of living organisms throughout the day. Also, they experience timely shift in blood pressure, amino acid levels, body temperature, metabolism, etc.

Hence, living organisms are usually more energetic and at alert when the aforementioned activities and others are at their highest point once a day as a result of circadian rhythms.

A biology teacher takes fish, algae, pond weed, invertebrates, and bottom muck from a local pond and establishes them in an aquarium. When the system is stable, the teacher seals it into a large, airtight glass box and leaves the box in a sunny location. After three months, the organisms in the aquarium appear alive and healthy. Which of the following statements about the experiment is true?

a. During the three months, the biomass of animal life was greater than the biomass of plant life.
b. Some of the energy in the system has moved from one organism to another.
c. The air in the glass box contains no carbon dioxide.
d. No energy has entered or left the glass box.

Answers

Answer: B. Some of the energy in the system has moved from one organism to another during the three months.

Explanation:

Option A is incorrect as the biomass of plant life will be greater than that of animal life since plants are considered to be primary producers.

Option C is incorrect as the air in the glass box contains carbon dioxide which is necessary to synthesize glucose.

Option D is incorrect as energy has entered the glass box since it's in a sunny location which gives it energy from the sun.

The correct option is B "Some of the energy in the system has moved from one organism to another during the three months".

can someone pls answer number 1 and 2

Answers

Answer:

1) The Greenhouse Effect works When the Sun's energy reaches the Earth's atmosphere, Some of it is reflected in space, and the rest is absorbed and re-radiated by the greenhouse gases.

2) The greenhouse effect is the trapping of heat under the atmosphere, which is a natural effect caused by greenhouse gases. However, when greenhouse gas concentrations are too high, they trap too much heat and increase the temperature on Earth, causing the enhanced greenhouse effect.

performed experiments using radioactively
In 1952, Alfred and Martha
labeled viruses that infect bacteria.
O Hershey, Chase
O Hershey, Crick
O Watson, Crick
Watson, Chase
1 pts

Answers

I think the answer is B

what is natural resoures typical one?'

Answers

Explanation:

A natural resource is what people can use which comes from the natural environment. Examples of natural resources are air, water, wood, oil, wind energy, natural gas, iron, and coal.

Air water wood oil wind energy natural gas iron coal

Top answer = Brainliest
What is the main goal of the Pacific Region Coastal Program?

a. to end fishing along the Pacific coast

b. restore wetland and forest habitats

c. provide jobs

d. restore damage caused by soil erosion
Please select the best answer from the choices provided

Answers

Answer:

b

Explanation:

provide job. in the regions of the Pacific coastal program there is unemployment. hence there must be production of jobs

4.
Which one of the following is not a simple sugar?
A. Glucose.
B. Galactose.
C. Fructose.
D. Sucrose

Answers

[tex]——————————————————————[/tex]

[tex] \huge \mathbb{ANSWER}[/tex]

[tex]——————————————————————[/tex]

4. Which one of the following is not a simple sugar?

D.Sucrose

Glocuse, Fructose, and Galactose are simple sugars.

[tex]——————————————————————[/tex]

#Hope it helps!

Sucrose is not a simple sugar because it is made up of  both glucose and fructose so sucrose is called a disaccharide. Therefore, option (D) is correct.

What is simple sugar?

A monosaccharide, often known as a simple sugar, is a form of carbohydrate that cannot be broken down into smaller molecules of glucose and is thus readily absorbed by the body.

There are three primary kinds of simple sugars: glucose, fructose, and galactose. All of these sugars have the same chemical composition, but their structures are quite different from one another.

Sucrose on the other hand is a disaccharide composed of both glucose and fructose. Therefore, it is not a simple sugar and can be broken down into smaller or simpler molecules.

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The clarity of lake water is affected by the amount of phytoplankton (marine plants), soil, clay, and other solids suspended in the lake. Suppose the concentration of carbon dioxide in the atmosphere changed from 340 ppm to 380 ppm from 1980 to 2005. What effect would this have on the occurrence of the full body plate trait

Answers

Answer:

Following are the responses to the given question:

Explanation:

Increased [tex]CO_2[/tex] gases in the water may hasten photosynthesis, enabling crops to develop and grow more quickly. Some [tex]CO_2[/tex]  is absorbed and more oxygen is expelled as the frequency of rate of photosynthesis.

The higher plants grown means greater water filtration. Natural selection will run its course if the water is less polluted, as well as the fish may not need to pass mostly on full-body plate characteristics to their descendants.

Hormones and secretions of the nervous system are chemical messengers that:

A. store genetic information

B. carry out the circulation of materials

C. extract energy from nutrients

D. coordinate system interactions​

Answers

Hormones and secretions of the nervous system are chemical messengers that:

D. coordinate system interactions

Hormones and secretions of the nervous system are chemical messengers coordinate system interactions​. Thus, option "D" is correct.

What are Antidiuretic hormone?

Antidiuretic hormone that is synthesized and produced in the brain by the hypothalamus, is secreted from the pituitary gland, where it is stored.

This hormone is released into the blood stream in response to changes in the water balance in the blood. This hormone helps the kidneys to control and regulate the amount of water in the blood

Thus, option "D" is correct, coordinate system interactions​.

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Why does sugar dissolve more quickly in a warm cup of coffee than in a glass of iced tea ?

Answers

Answer:

Explanation:

Sugar dissolves faster in a warmer solvent than it does in a cooler solvent because particles have more energy of movement.

the sugar dissolves faster in a warm cup of coffee than it does in a glass of iced tea because the particles have more energy of movement.

Help me out pls and thanks !!!

Answers

Answer:

C

Explanation:

fungi play a major role as decomposers and recyclers in the wide variety of habitats in which they exist.

What is the answer to this question

Answers

Fiejfuaici can’t read it djdjsjishfsudjbdjs
Hindi ko makita yung ipapasagot mo

Why does the nuclear membrane break down at the beginning of mitosis

A: because it’s components are used to form the mitotic spindle

B: because spindle fibers pull away the membrane

C: because chromosomes need to move to opposite poles of the cell

D: the nuclear membrane does not break down at the beginning of mitosis

Answers

answer; C: because chromosomes need to move poles of the cell

The absence of at least one essential nutrient is called

Answers

Answer:

Malnutrition

Explanation:

What is the relationship between Pangea and today's continents HELPPP PLEASEEEE

Answers

Answer:

Over millions of years, the continents broke apart from a single landmass called Pangea and moved to their present positions. The land and seas on Earth are constantly moving.

Today, we know that the continents rest on massive slabs of rock called tectonic plates. The plates are always moving and interacting in a process called plate tectonics. The continents are still moving today.

Residents in a coastal town in Japan are hastily preparing to evacuate after an earthquake a few miles away in the
ocean. They have been warned of a tsunami headed their way. Which of the following professionals would provide this
warning?
O geochemist
seismologist
geological engineer
environmental engineer

Answers

Seismologist is the correct answer

help please!! much appreciated

Answers

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities

what usually drives animal research is the benefit to human beings of that research?

Answers

Answer:

i dont understand what do you mean. theres a spelling mistake

Explanation:

Answer:

godly floodplain do n gjuydlugfyooguogkffigugkyfigou hkkfuuofugouogugo

Examine the population growth curve shown below.


Which of the following most likely caused the sharp decline in population at point B?
A.
disease
B.
overpopulation
C.
emigration of a competing species
D.
a shortage of food

Answers

Answer:

I believe the answer is A: disease

Which structure produces blood cells?

Answers

Answer:

Blood cells are produced in the bone marrow of the body more specifically they become blood cells from first being stem cells which then divide until they reach a mature red blood cell stage. ( or other types of cells, stem cells are like the blank template for either red blood cells, white blood cells, or platelettes.)

Explanation:

Red blood cells, most white blood cells, and platelets are produced in the bone marrow, the soft fatty tissue inside bone cavities. Two types of white blood cells, T and B cells (lymphocytes), are also produced in the lymph nodes and spleen, and T cells are produced and mature in the thymus gland.

Write down everything that you know about climate or climate change.

Answers

Answer:

ok.

Explanation:

Climate change is real truth on the earth. because the climate change is necessary for all living organisms and plants in different regions.

PLEASE ANSWER ASAP WILL MARK BRAINLIEST!!!

Which of the following most likely explains why the chemical symbol for calcium is Ca?

a.) The symbol C was already used for carbon.

b.) The symbol was assigned by modern alchemists.

c.) Calcium is made of more than one type of atom.

d.) The element is named after the Latin word for calcium.

Answers

Answer: d.) The element is named after the Latin word for calcium.

Explanation:

Answer:

I believe it is

d.) The element is named after the Latin word for calcium.

Explanation:

Round seeds (R) are dominant to wrinkled seeds (r) and yellow seeds (Y) are dominant to green seeds (y). a true-breeding pea plant with round and yellow seeds is crossed to a true breeding plant with wrinkled and green seeds. The F1 progeny are allowed to self fertilize. What is the probability of obtaining a wrinkled, green seed in the F2

Answers

Answer:

1/16 of the progeny is expected to be plants with wrinkled and green seeds, rryy

Explanation:

Available data:

Round seeds (R) are dominant to wrinkled seeds (r)Yellow seeds (Y) are dominant to green seeds (y)A true-breeding pea plant with round and yellow seeds is crossed to a true breeding plant with wrinkled and green seedsThe F1 progeny self fertilize

1st Cross:

Parentals) RRYY    x     rryy

Gametes)  RY, RY, RY, RY

                 ry, ry, ry, ry

F1) 100% RrYy

2nd Cross)

Parentals) RrYy    x    RrYy

Gametes) RY, Ry, rY, ry

                RY, Ry, rY, ry

Punnett square)   RY        Ry           rY        ry

                  RY    RRYY    RRYy    RrYY    RrYy

                  Ry     RRYy    RRyy     RrYy    Rryy

                  rY      RrYY    RrYy      rrYY    rrYy

                  ry       RrYy     Rryy      rrYy    rryy

F2) Genotype

1/16 of the progeny is expected to be RRYY2/16 = 1/8 of the progeny is expected to be RRYy1/16 of the progeny is expected to be RRyy2/16 = 1/8 of the progeny is expected to be RrYY4/16 = 1/4 of the progeny is expected to be RrYy2/16 = 1/8 of the progeny is expected to be Rryy1/16 of the progeny is expected to be rrYY2/16 = 1/8 of the progeny is expected to be rrYy1/16 of the progeny is expected to be rryy

      Phenotype

9/16 of the progeny is expected to be plants with round and yellow seeds R-Y-3/16 of the progeny is expected to be plants with round and green seeds R-yy3/16 of the progeny is expected to be plants with wrinkled and yellow seeds rrY-1/16 of the progeny is expected to be plants with wrinkled and green seeds rryy

If an organism has 24 chromosomes in its somatic cells. How many chromosomes will be found in a sperm or egg (gametic) cell?

Answers

12 in each cell so when it comes together it has the full 24

Complete the chart and classify each organism.​

Answers

Answer:

On the basis of similarities and differences.

Explanation:

We can classify the organisms on the basis of similarities and differences. There are five kingdoms i.e. Protista, Fungi, Monera, plantae and Animalia. Each kingdom has some unique characteristics so the organisms in the chart will be seen to which kingdom it belongs to see the similarities with them. If the organism is unicellular and eukaryotic organisms so it is placed in kingdom Protista, if the organism is plant like and having chlorophyll so it is placed in kingdom plantae and if the organism has the ability to move from place to place and heterotroph we can place it in kingdom Animalia.

Why do living things need air to breathe?

Answers

Explanation:

Because It is vital that living things respire to get the oxygen for living cells to function.

adaptive features of Earthworm​

Answers

here's your answer..

The adaptive features of Earthworm include streamlined body with no antennae or arms. The body of this organism is divided into segments.

What are the adaptive features?

Adaptation can be defined as a state of the physical or the behavioral characteristics of an organism which helps them to survive better in the surrounding environment. Adaptation is essential for the survival of  organisms in the new environment. These adaptations help the characteristics to become a part of the genetic makeup of the organisms.

An earthworm is a streamlined body organism with no antennae or fins or any arms or legs. The streamlined shape of the body is an adaptation to living in the narrow burrows which are present underground and the need to move easily through the soil. An earthworm has circular muscles which surround each body segment in the organism.

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Circle FIVE keywords associated with transport of water and minerals in plants

Answers

Answer:

1) Suction

2) Root pressure

3) Transpiration

4) Xylem

5) Phloem

Explanation:

Answer:

XYLEM

TRACHEID

SUCTION

ROOT PRESSURE

TRANSPIRATION

Explanation:

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