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diamong [38]
3 years ago
12

Which of the following does not pertain to helminths? A. Often alternate hosts in complex life cycles In kingdom B. Protista Egg

s and sperm used for reproduction C. Have various organ systems D. Parasitic worms
Biology
2 answers:
Vikentia [17]3 years ago
6 0

Answer:B. Protista eggs and sperm

Explanation: helminths are parasitic worms that inhabits the intestinal tract of humans; they live within the host and have attachment organs which enable them to reside within their host; examples include: roundworms (Nematodes), tapeworms ( Cestodes) and flukes( Trematodes)

Katen [24]3 years ago
4 0

Answer: B. Protista Eggs and sperm used for reproduction.

Explanation: All helminths have eggs (ova) for reproduction. They can be either hermaphroditic (possess both sex organs), example tapeworms or have their sex organs differentiated, like the roundworms.

Helminths are parasitic worms, they infest their host tissues. They mostly alternate host in different stages/phases of life.

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ELEN [110]

Answer:

For [a] .....Yes

For [b]......No

Explanation:

Meiosis is known to be a process of reducing the number of chromosomes in a diploid to half.

And it should be noted that , meiosis requires the pairing of two chromosomes sets.

Therefore in this case, before meiosis can occur in the haploid, it must involves two haploids. This means that two individual haploid will fuse together to form diploid meiocyte, which will allow meiosis to occur.

This is the reason why meiosis can only takes place on haploid species.

In summary, it should be noted that, meiosis can only takes place in a diploid and two individuals haploid [ haploid species] that can fuse together to form diploid, but not in a haploid individual.

5 0
3 years ago
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zhenek [66]

Answer:

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Explanation:

A plant seedling grows usually two-direction shoots or stems towards light and roots towards the soil or in the direction of gravity. The movement of the plant toward a specific stimulus or effect parts is called tropism and different parts move in a different direction.

The movement of the roots of the plant is usually towards the direction of soil or gravity and this is called gravitropic. The shoot or stem grows from the seedling towards the direction of light and it is called phototropic.

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