In our bodies, the vascular system is made up of arteries and veins. In a plant, what components make up the vascular system?

1 answer:

5 0

C. Phloem and Xylem.
Just to dig it deeper, think of vascular systems as the system responsible for transportation of materials, and from its name already it somehow means vessels that carry stuff from one place to other. Like humans, plants need to transport minerals, water, nutrition from soil and leaves to different parts of the plant. Phloem and Xylem transport food and water respectively throughout the plant, exhibiting different techniques for sure.

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Check all of the statements that are true regarding keratinized stratified squamous epithelium.

strojnjashka [21]

Answer;

-Keratinized stratified squamous epithelium forms the epidermis of the skin.

-In keratinized stratified squamous epithelial tissue, the cells on the apical (outer) surface are dead.

Explanation;

-Stratified squamous epithelium is a type of tissue found covering and lining parts of the body. Stratified squamous epithelium may be keratinized or nonkeratinized. Non-keratinized surfaces must be kept moist by bodily secretions to prevent them from drying out.

-The cells on the surface of stratified squamous keratinized epithelium are very flat. Not only are they flat, but they are no longer alive. They have no nucleus or organelles. They are filled with a protein called keratin, which is what makes our skin waterproof.

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The process of specialization by a cell is called ___.

Verdich [7]

Cell differentiation

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3 years ago

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What are the simplest types of eukaryotes

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Answer:

The Simplest of Eukaryotic Cells. Microsporidia are intracellular parasites that infect most other eukaryotic cells, although arthropods are the most commonly parasitized. They are the simplest and smallest eukaryotic cells and thus represent a textbook example of reductive evolution [1].

Link: https://designmatrix.wordpress.com/2009/03/10/the-simplest-of-eukaryotic-cells/

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A scout on a hike becomes lost. He does not have a compass, but he does have a small needle, a magnet, and some water. He magnet

Makovka662 [10]

Answer:

C. surface tension

Explanation:

Surface tension refers to the property of water or any liquid to enhance its surface area by a certain amount. It is a very important property of water due to which it resists any external force due to cohesive nature of water molecules.

How surface tension help needle to float on water:

It is a property of water which enhance the attractive force between needle and liquid.

The molecules on the surface of water do not have any force acting from upwards because that side is exposed to atmosphere. This causes a downward force but no upward force on upper surface,so the molecule of surface tend to stay together by forming a thin sheet or imaginary layer.

If weight of any material cannot break surface tension it will float on water surface. This is what happens with needle.Therefore, when needle is placed on water surface with alot of care in horizontal direction, it will not break surface tension and hence will float on water. Please see attached image for better understanding.

Hope it clears up the picture!

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