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SIZIF [17.4K]
2 years ago
5

Carbonate sediments are rare in deep sea sediments because the ____. a. organisms do not live beyond the edge of the continental

shelf b. carbonate shells are dissolved in deep water c. abundance of muds and clays cover the carbonate shells d. organisms providing shells do not live in the deep sea
Biology
1 answer:
Otrada [13]2 years ago
4 0
<h2> ANSWER</h2>

<u>B.</u><u> </u><u>carbonate shells are dissolved in deep water</u>

Carbonate sediments are rare in deep sea sediments because the <u>carbonate shells are dissolved in deep water</u><u>.</u>

<h3>#CarryOnLearning</h3>

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Match the following organs and organ systems. 1.digestive system brain 2.central nervous system tracheal system 3.respiratory sy
Amiraneli [1.4K]

The correct macthing of the organs with their organ systems is as follows.

1. Digestive system - intestines.

2. Central nervous system - brain.

3. Respiratory system - tracheal system.

4. Excretory system - bladder.

Digestive system is made up of the alimentary canal consisting of the digestive organs and the glands. Among the digestive organs, the intestines play a major role in the process of digestion. The small intestine is the site of complete digestion which is associated with the pancreas and liver. The large intestine is involved the absorption of water from the digested food and remaining waste material is stored and thrown out of the body during defecation.

The central nervous system is made up of the brain and the spinal cord. The brain makes the largest part and the functional of the central nervous system. It controls most of the activities of the body. It is made up of three parts called the cerebrum, cerebellum and medualla oblongata and is protected by the skull.

The respiratory system is divided into the upper respiratory tract consisting of the nasal cavity, pharynx and larynx, and the lower respiratory tract consisting of the trachea, bronchi, bronchioles and the alveoli. The trachea or the wind pipe is a cylindrical tube infront of the oesophagus, supported by 16-20 C-shaped hyaline cartilage. It serves as a passage for air to move in and out of the lungs.

The excretory system is made up of a pair of kidneys, a pair of ureters, an urinary bladder and an urethra. The urine produced by the kidney flows through the ureters and is collected in the urinary bladder. A spinchter (a ring of muscle) guards the opening of the bladder into the urethra and relaxes only at the time of urination under the impulse from the brain.

6 0
3 years ago
Certain kinds of shells are always found in rock layers lower than layers with plant fossils. Dinosaur fossils show up only in l
zvonat [6]

Answer:

this shows that at one point these animals lived on the surface because there were plants for them to eat

Explanation:

Hope this helps you out!!!

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6 0
2 years ago
La funcion de las glándulas salivales
schepotkina [342]

Answer:

Explanation:

Las funciones digestivas de la saliva incluyen humedecer los alimentos y ayudar a crear un bolo alimenticio, para que se pueda tragar fácilmente. La saliva contiene la enzima amilasa que descompone algunos almidones en maltosa y dextrina. Por lo tanto, la digestión de los alimentos ocurre dentro de la boca, incluso antes de que los alimentos lleguen al estómago.

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3 years ago
The following figure shows a plant cell immediately after it has been placed in distilled water (A) and a plant cell that has be
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A because it is the answer
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3 years ago
For each function listed, choose the correct macromolecule from the drop-down menu. Store and transmit genetic information Are p
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Store and transmit genetic information: nucleic acid
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3 years ago
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