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raketka [301]
3 years ago
9

Which of the following best pairs leaf structure with its role

Biology
1 answer:
Alinara [238K]3 years ago
3 0
 Since there are no choices to choose from, I'll just site all the structures of the leaf with its role then.
 
A Leaf has the following structures:
Cuticle
Upper epidermis layer
Palisade layer
Xylem
Phloem
Spongy mesophyll layer
Air space
Lower epidermis layer
Stomata
<span>Guard cells</span>
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it is D on my point of veiw..

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3 years ago
Cattle depend on microorganisms in their digestive tract to digest the cellulose in their diets. The cattle and the microorganis
GaryK [48]
<h2>The correct answer is: Mutualism.</h2>

Explanation:

  • Mutualism can be defined as a type of symbiotic relationship.
  • Symbiosis can be defined as the type of ecological interplay in between two species localized in the same habitat in which at least one of the species gets benefited in the form of food, shelter or protection due to the interaction.
  • Mutualism is a type of positive symbiosis in which both the species involved in the ecological interplay benefits due to the interaction in between them.
  • In the given question, some micro-organisms survive in the digestive tract of the cattle.
  • These micro-organisms produce the enzyme, cellulase, which helps in digesting cellulose present in the food consumed by the cattle.
  • The cattle is incapable of producing this cellulase enzyme by itself and is dependent on the micro-organisms for its synthesis.
  • Hence, the the micro-organisms help the cattle in obtaining nutrition and energy by the digestion of cellulose.
  • On the other hand, the micro-organisms get shelter, nutrition and protection in the gut of the cattle.
3 0
3 years ago
Explain how the result of meiosis and cytokinesis affects inherited traits
Anna71 [15]

Answer:

Meiosis is a type of cell division in which a single cell is divided into four daughter cells having half number of chromosome while cytokinesis is the division of cytoplasm.

Meiosis occurs only in sex cells which are responsible for the formation of new organism. Traits are transferred from parents to the offspring through the process of sexual reproduction. In sexual reproduction, sex cells i. e. sperm cells of male fuse with egg cell of female forming a zygote which turns into a new organism and traits are transferred from one generation to another.

4 0
3 years ago
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DNA is a macromolecule called nucleic acid (a polymer). What is the monomer (subunit; one part) of DNA called?
zimovet [89]
Nucleotide is a combination of a sugar, nitrogen base and phosphate groupment
8 0
3 years ago
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Which of the following is NOT made of proteins?
In-s [12.5K]

Answer:

c. Hydrogen

Explanation:

Do I really need to explain...

8 0
3 years ago
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