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scoundrel [369]
2 years ago
7

The principle hormones produced by the thyroid gland are.

Biology
1 answer:
Alex73 [517]2 years ago
7 0

Answer:

T3 (tri-iodothyronine) and T4 (thyroxine).

Explanation:

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a german measles rubella epidemic during the years 1963 to 1965 resulted in approximately 30,000 babies being born with birth de
Juli2301 [7.4K]

Answer:

In babies born with congenital defects during the German measles rubella epidemic the specific cause of these birth defects was most likely the development of rubella virus infections in embryos.

Explanation:

Options for this question are:

<em>1. </em><em>The development of rubella virus infections in  embryos. </em>

<em>2. The failure of zygotes infected with rubella to develop </em>

<em>3. Mutations in the nerve cells of pregnant  females at the time of the rubella epidemic .</em>

<em>4. An increase in the amount of time needed for  healthy embryonic development.</em>

Rubella is a viral infection caused by a virus of the genus Rubivirus, considered highly teratogenic during the phases of pregnancy where the embryo and the fetus are developing, that is, before 20 weeks of gestation.

<u>The virus is transferred to the embryo or fetus by the mother's blood, acquiring the disease</u>, which can cause abortions or visible malformations at birth, which is called <u>Congenital Rubella Syndrome</u> (CRB).

CRB is responsible for producing cardiovascular, renal, neurological malformations, loss of vision or hearing, problems that German children born during the epidemic probably had.

Learn more:

Congenytal rubella brainly.com/question/2107536

3 0
3 years ago
Hepaticophytes lack stomata and tracheids. What would provide evidence to justify their inclusion in the Bryophytes and not the
tatyana61 [14]

Answer:

The characteristics that define liver diseases within bryophytes are:

They are terrestrial plants unlike Charophytes that are aquatic.

There is development of an embryo that gives rise to a diploid multicellular sporophyte.

3 0
3 years ago
Why are a plant’s stomata generally open during the day and closed at night?
joja [24]

c.Stomata are generally open during the day to remove excess water from the planet and closed at night to keep oxygen from escaping.

4 0
3 years ago
Read 2 more answers
What provides information at the species level
Bas_tet [7]

DNA provides information at the species level.

Hope it helps;Pls mark as brainliest answer

7 0
3 years ago
La ecologia es la ciencia que estudia la materia inerte de un medio natural<br> es falso verdadero
likoan [24]

Answer:

Falso

Explanation:

La ecología es <u>la ciencia que estudia la interacción entre los seres vivos y el ecosistema.</u> Esto incluye la interacción entre todos los factores tanto bióticos, o vivos, como abióticos, no vivos.

Por ejemplo, la ecología podría estudiar la manera en que un venado interactúa con su entorno: cual es su principal fuente de alimento, el rol que juega en el ecosistema, las adaptaciones que ha desarrollado para vivir en dicho entorno, etc.

Debido a que la materia inerte es considerada un factor abiótico o no vivo, esto no correspondería al área de la ecología. Por ende, este enunciado <u>es falso</u>.

4 0
3 years ago
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