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Vilka [71]
3 years ago
10

- MIULTIPLE LHUILE QUESTION

Biology
2 answers:
scZoUnD [109]3 years ago
6 0
The correct answer is false
anyanavicka [17]3 years ago
4 0

Answer: false

Explanation:

invertebrates and vertebrates are two classes of animal.

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The universe consists of many different galaxies, which, in turn, consist of many different solar systems. Each solar system has
leonid [27]

Answer:

D. all of these

Explanation:

6 0
3 years ago
Write components of xylem and phylem ?
aleksandrvk [35]
  • Xylem contains tracheids, vessels, xylem parenchyma and xylem fibre.
  1. Tracheids: They are elongated, tubular dead cells with tapering end walls.
  2. Vessels: These are also known as trachea. They are elongated, tubular dead cells. They are joined to each other by end to end forming a continuous pipe. The cells are thick and lignified.
  3. Xylem parenchyma: They are also called wood parenchyma. This is the only living tissue of xylem.
  4. Xylem fibre: They are dead cells with thick walled fibre.

  • Phloem consists of sieve tubes, companion cells, phloem parenchyma and phloem fibres.
  1. Sieve tubes: These are elongated, tubular living cells arranged in a row, with their perforated end walls forming a sieve. They are non-nucleated. Their protoplasm are inter-connected through sieve plates. They possess vacuoles.
  2. Companion cell: They are elongated, lens-shaped cells containing dense cytoplasm and prominent nuclei. These cells maintain connection with sieve cells through pits.
  3. Phloem parenchyma: They are living thin walled parenchyma cells.
  4. Phloem fibre: They are also known as bast fibre. They are elongated fibre like sclerenchymatous dead cells with thick walls containing pits and interlocked ends. Phloem fibre are the only dead cells in phloem.

Hope you could get an idea from here.

Doubt clarification - use comment section.

5 0
2 years ago
What problems would you expect to observe in an ecosystem without secondary consumers? Be sure to answer this question in paragr
Tasya [4]

lots of waste and dead leaves and things like that

dont plagarise ;)

5 0
3 years ago
Read 2 more answers
The body has and maintains homeostasis through the working together of 11 of
irinina [24]

Answer:D

Explanation:Because I got it right

3 0
2 years ago
In eukaryotesdoes DNA replication proceed in one direction?
wariber [46]
Yes, the DNA replication proceeds in one direction.

Thank You!

Message me for more help.
6 0
3 years ago
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