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ELEN [110]
3 years ago
9

20. Many years 90, scientists working with cells developed what is now known as the

Biology
1 answer:
serious [3.7K]3 years ago
8 0

Answer:

By the late 1830s, botanist Matthias Schleiden and zoologist Theodor Schwann were studying tissues and proposed the unified cell theory. The unified cell theory states that: all living things are composed of one or more cells; the cell is the basic unit of life; and new cells arise from existing cells

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6. Los seres humanos producen desechos celulares que salen del cuerpo gracias a diferentes procesos de los cuales están a cargo
sp2606 [1]

Answer:

D. Sistema reproductor.

Explanation:

La excreción es el proceso de eliminar los desechos y el exceso de agua del cuerpo. Estos desechos pueden ser dañinos y pueden causar daños.

Los órganos responsables de la excreción son el riñón, los pulmones, la piel, el hígado y el intestino grueso.

La piel elimina el sudor, el exceso de agua y las sales a través de las glándulas sudoríparas.

El sistema urinario está formado por riñón, uréteres, vejiga y uretra. El riñón elimina el exceso de agua y sal al producir orina que luego se transporta con la ayuda de los uréteres, la vejiga y la uretra.

En el sistema respiratorio, los pulmones excretan sustancias gaseosas, como dióxido de carbono y agua.

5 0
3 years ago
Phytoplankton, shown on the left in the image below, are microscopic organisms that can be found in freshwater and salt water en
zimovet [89]
The answer is A) i just took the test
6 0
4 years ago
Read 2 more answers
________ is any functional structure within the confines of a cell; literally a. Small organ; it usually has a membrane-based st
olasank [31]

Answer:

Cell organelle

Explanation:

The cell organelle is the small organ-like structure present inside the cell in the cytoplasm.

Different types of cell organelles are present in the cell which performs specific functions like of storage, of digestion of biomolecules like lysosomes, of protein synthesis and many others.

The organelles are usually enclosed by either a single phospholipid membrane like in lysosomes, Golgi apparatus or two lipid layers like in nucleus and chloroplast.

Thus, cell organelle is the correct answer.

6 0
3 years ago
Which of the following describes characteristics of the Earth’s mantle?
Lapatulllka [165]

Box 3.

By the way I wondered what was the mantel made of and I wanted to share with you (to be informed).

Source: National Geographic

Hope it helps!

#MissionExam001

6 0
3 years ago
1 point
weeeeeb [17]

Answer:

the ruptured cell

Explanation:

5 0
3 years ago
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