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3 years ago

What does archaebacteria mean?

Biology

2 answers:

laiz [17]3 years ago

6 0

Answer:

A. Ancient bacteria

Explanation:

From the salt of the earth, researchers have isolated and revived a Bacillus strain, which they believe is >250 million years old. If correct, Russell Vreeland and his colleagues from West Chester University, Pennsylvania, have discovered the oldest living organism in the world.

Delvig [45]3 years ago

3 0

Answer:

A. Ancient bacteria

Explanation:

Archae bacteria means ancient bacteria. So, option (A) is the correct answer.

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Erosion and deposition constantly change Earth’s surface. Erosion carries natural materials like rock and soil from one place to

kifflom [539]

Answer:

The correct answer is "lava plateau".

Explanation:

Lava plateau is a landform that is formed from the deposition of materials after many successive volcanic eruptions. These landforms are formed particularly after many quiet explosions, which produce very fluid lava. Pyroclastic plateaus is very similar to lava plateau, with the difference that they are comprised of pyroclastic rocks, which have agglomerates, tephra, and volcanic ashes.

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3 years ago

Read 2 more answers

Why does the respiratory system need to pass oxygen to the blood?

Arisa [49]

It's need to pass oxygen to the blood to the respiratory system work properly I think that the answer

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3 years ago

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A Complete the following statements A2 1. Red blood cells (RBC ) are also called Cryihrolyie A2 Bount disc. 2 The shape of a red

Andreyy89

Answer:

The answers are given in bold. The numbering was not clear, so please refer to my revision.

Explanation:

1- Erythrocytes are red blood cells

2-Biconcave is the shape

3- Transport and exchange of gases is the function of RBC

4- Hemoglobin is the oxygen-carrying substance......

5- A mature red blood cell lacks Nuclei

6- White blood cells are also called Leukocytes

7- White blood cells with granular cytoplasm are called Granulocytes

8- White blood cells without granular cytoplasm are called Agranulocytes

9- PMN/ granular leukocyte another name for Polymorphonucléar leukocyte

10- Neutrophils are numerous white blood cells

11- White blood cells with coarse reddish cytoplasmic granules are called Eosinophils

12- Basophils are the least abundant of white blood cells

13- Monocytes are the largest white blood cells

14- Lymphocytes are the small agranulocytes.......

15- Platelets are small fragments that prevents blood loss during injury

8 0

4 years ago

How do the diaphragm and rib muscles help with breathing? These muscles

Ratling [72]

When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale

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4 years ago

_________________: A point used for comparison in motion calculations *

Nana76 [90]

Answer:

A reference point ?

7 0

3 years ago