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denis-greek [22]
4 years ago
11

What is the most accurate description of the structure labeled B?

Biology
2 answers:
ANEK [815]4 years ago
6 0
The correct answer is B. Thymus gland: enables immature lymphocytes to mature into T cells
Strike441 [17]4 years ago
5 0

Answer:

(B) Thymus gland: enables immature lymphocytes to mature into T cells.

Explanation:

The thymus is an organ which is present between the lungs, behind the breastbone. It attains the status of an endocrine gland as it secretes a hormone thymosin. The thymus gland plays an important role in immunity. The immature lymphocyte formed in the bone marrow and moves to the thymus gland, where thymosin stimulates the maturation of lymphocytes or T cells.

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Choose the seven structures from the choices below that a plant uses for survival.
jeka57 [31]

Answer:

leaves

phloem

thorns

root hairs

xylem

stem

taproot

fibrous roots

And try to enjoy the process of learning. Science is a beautiful subject :) Good luck

3 0
3 years ago
Alan is a member of the city council. He wants to promote the use of solar power as a sustainable energy source for the business
ICE Princess25 [194]

Post flyers around the city - would be best way to promote the use of solar power as a sustainable energy source for the businesses in the city.

Explanation:

Spreading awareness is the best way to promote the use of solar power as a sustainable energy source for the businesses in the city.

The solar flyers would give all the necessary basic details that anyone would want to know about it. Various business enterprises in the city can look into the basic details and inquire the correct person to be contacted for expert solutions. The flyers will provide basic instructions about how to get the solar power connections in a shortened version detailing its benefits like the basic tax cuts for upgrading to solar power, any rebates for installation charges etc.

This would be the first step that Alan can do as a council member to promote solar power in his city. Further he can also conduct various surveys and workshops and offer tax incentives to implement solar power successfully in his city.

8 0
3 years ago
If all the bees in the hive come from the queen how are they related<br> I NEED AN ANSWER
SpyIntel [72]

Answer:

Aren't they brothers and sisters

3 0
3 years ago
Read 2 more answers
Fossilized stromatolites
Cerrena [4.2K]

Answer:

(B) resemble structures formed by bacterial communities that are found today in some shallow marine bays.

Explanation:

Extant stromatolites represent real "living fossils" for they are decendents of ancient forms that are associated with one of the first living forms on earth. Particularly, stromatolites are real bacteria communities where the autotrophic organism of the community are represented by cyanobacteria, which live along with heterotrophic bacteria. This clearly indicates that fossilized stromatolites points to bacteria (prokaryotes) as the first living things on earth (dated with not less than 3.5 billion year old)

Nowadays, stromatolites with cyanobacteria allows to reconstruct and understand fossilized forms. These current structures live in shallow marines ambients (e.g. Australia) but also in continental salt flats (e.g. Argentina) where few others bacteria can survive to these extreme conditions (high light exposure and salt concentration).

6 0
3 years ago
Which form of natural selection is most likely to play a role in speciation? which form of natural selection is most likely to p
Misha Larkins [42]

Which form of natural selection is most likely to play a role in speciation?

ANSWER:

Natural selection does not lead to speciation.

directional selection

stabilizing selection

disruptive selection

the answer is d hope im right

6 0
4 years ago
Read 2 more answers
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