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Bond [772]
4 years ago
8

The epidermis receives blood containing oxygen and nutrients from ________

Biology
1 answer:
Yuri [45]4 years ago
5 0

Answer:

From arteries in the connective tissue below.

Explanation:

The dermis is mainly divided into two regions Papillary region, and the Reticular region. These help to protect the body from strain, stress, also helps in a sense of touch, and elasticity to the skin.

Dermis lies under the epidermis. Dermis containing blood vessels that help to nourish the skin with nutrients and oxygen. The blood vessels also help to allow the immune cells to come in connect with the skin to fight with an infection. These blood vessels also help in carrying out waste products.

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_______ is an elastic protein that connects tubulin doublets in cilia and flagellae. the resultant bridges play an important rol
Firdavs [7]
Nexin

This is the elastic protein among tubulin doublets that link them together for ciliary and flagellae structures.
Cilia and flagella are cellular structures that facilitate movement of the cell from one area to another.

This protein also inhibits movement on microtubules from axonemes.
3 0
3 years ago
What compound is produced during regeneration?
marta [7]
Fixation during which the enzyme RuBisCO incorporates (fixes) carbon-dioxide into 3-PGA; 2. Reduction during which 3-PGA is reduced using NADPH as electron supply; 3. Regeneration during which RuBP<span> is regenerated so the cycle can start again.</span>
4 0
3 years ago
The actual niche the organism is able to occupy in the presence of competitors is called its:_____________.
ladessa [460]

Answer:

B) realized niche

Explanation:  

The ecological niche refers to all the environmental factors that influence the growth, survival, and reproduction of species. These factors also include the interaction between species. The term ecological niche refers to the fundamental niche or the realized niche.    

  • The fundamental niche refers<u> only</u> to factors or physical conditions under which a species can live and survive in the <u>absence of any interaction with other species. </u>
  • The realized niche refers to the restricted conditions in which a species can live and survive as a result of <u>environmental conditions and the interaction with other species</u><u>. </u>

When an inferior competitor is excluded by the superior competitor, this is known as competitive exclusion. This occurs when there is not habitat differentiation, and both species can not share the same niche. In this case, the effective or realized niche of the dominant species completely occupies the fundamental niche of the inferior competitor.        

 In the exposed example the organism is able to occupy a niche in the presence of competitors, which is the clue for us to classify this niche as a realized niche. The organism needs to interact in a certain way with its competitors. There is an interaction between taxonomic groups, or between individuals.

6 0
3 years ago
Humans are a diploid species. What does this say about their chromosomes?
Nadya [2.5K]

I didn't get it ...

can you explain that question

4 0
3 years ago
Read 2 more answers
5
zubka84 [21]

Answer:

C.

It controls the entry and exit of substances.

8 0
3 years ago
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