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Brilliant_brown [7]
3 years ago
8

Which of the following hormones is synthesized in hypothalmus and secreted from pitutary? Vasopressi or adrenocorticotropic horm

ones
Biology
1 answer:
bezimeni [28]3 years ago
5 0

Answer:

Vasopressin

It is synthesized in the hypothalamus and then secreted by the posterior lobe of pituitary gland

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A student observes that a fallen Bryophyllum leaf has tiny plants growing along the leaf margin, as
Schach [20]

Answer:

Asexual (vegetative) reproduction

Explanation:

Asexual reproduction is a type of reproduction that involves only a single parent. As opposed to sexual reproduction, it does not involve the formation of sex cells or gametes.

According to this question, Bryophyllum, which is a plant known to propagate itself via its leaves is practicing a form of asexual reproduction called VEGETATIVE PROPAGATION, which is the propagation of a plant via its vegetative parts e.g. stems, leaves, cuttings etc.

8 0
3 years ago
In the initial period of learning, ________ describes when an organism learns to connect a neutral stimulus and an unconditioned
Kipish [7]

Answer:

Option A, Acquisition

Explanation:

The first stage of learning is known as acquisition. It causes establishment of responses by pairing of Neutral stimulus, conditioning and un-conditioning stimulus. Once the association between a neutral stimulus and conditioned stimulus is established, the responses are acquired.  

For example – If a bird is trained to pick a key whenever there is a  sound of a bell, then after certain period of time an association will be established between the “ringing of bell” and “picking up of key” activity. Therefore, whenever the bird will hear the ringing sound it will search for key to be picked.

Thus, option A is correct.

3 0
3 years ago
Read 2 more answers
Hi. Please answer these questions :
musickatia [10]
<h2>Hey There!</h2><h2>_____________________________________</h2><h2>Answer:</h2><h2>_____________________________________</h2><h2>\huge{\textbf{Plant of Barbados}}</h2>

\texttt{Caesalpinia pulcherrima} commonly called Pride of Barbados is found in the tropical regions. It's origin is still unknown but it is believed that Pride of Barbados is native to the West Indies and tropical America. It is widely cultivated in tropical regions throughout the world, which include tropic and sub-tropic region of America. It contains gallic and tannic acid which is poisonous to humans.

As <u>Cesalpinia pulcherria</u> is considered to be native of West Indies or North American region, and the Barbados is a small island country in West Indies, so that's how its common name comes that is the <u>Pride of Barbados</u>. Pride of Barbados belongs to the FAMILY - LEGUMINOSAE and to the SUB-FAMILY - FABACEAE.

<h2>_____________________________________</h2>

\huge\textbf{Placentation}

The arrangement of placenta within the ovary is known as placentation. Ovules are attached to the inner wall of special tissues which are called placenta, the ovules are attached by the small stalk called funicules. There are several type of Placentations i.e. Basal, Marginal, central, axile, parietal.

Placentation in Plants of Barbados is Marginal, Marginal Placentation is when in which the placenta forms a ridge along the ventral suture(The line of fusion where the margins of the mega-sporophypl join)  of the ovary and the ovules develop on two separate rows is known to have marginal placentation.

<h2>_____________________________________</h2>

\huge\textbf{Gynoecium}

Gynoecium is a female whorl of the flower. It is composed of Carpels. Carpel is composed of Sigma, Style and Ovary.

Gynoecium in Pride of Barbados is Monocarpellary(one carpel), Ovary Superior(An ovary attached above other floral parts is termed superior), consist of one chamber(unilocular), many ovules are present along the margin. Seed is non-endospermic and Fruit is legume.

<h2>_____________________________________</h2><h2>\huge\textbf{Flower:}</h2>

Flower is the reproductive organ of a plant. Morphologically it is very modified shoot. It is developed in the axil of leaf or at a.p.e.x of stem & branch. Flower is also produced in group which is called the inflorescence. If stalk called pedicel is present then flower is called pedicellate, If pedicel is absent Flower is called sessile. If small leaf or scale called bract is present then flower is called bracteate, if absent then called ebracteate.

Flower in Pride of Barbados is Pedicellate, complete, bisexual, zygomorphic, perigynous, showy and scented pentamerous.

<h2>_____________________________________</h2><h2>\huge\textbf{Features}</h2>
  • Butterflies are the primary pollinators of Caesalpinia pulcherrima and the pollen is carried primarily on their wings.
  • Plant of Barbados is poisonous
  • It has some anti-inflammatory substances.
  • This plant grows in sunny regions thus It has great heat resistant feature
  • It can grow easily in very dry soil.  This is due to its drought resistant features.
<h2>_____________________________________</h2><h2>Best Regards,</h2><h2>'Borz'</h2><h2 />
3 0
3 years ago
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Which of these is a function of the cell membrane in all cells?
Ivenika [448]

Answer:

c

Explanation:

7 0
3 years ago
Which three observations provides evidence of a cold air mass is moving towards a warm moist air mass over a city? ASAP 20 poin
anygoal [31]
I think it is C, D, and E goodluck
4 0
3 years ago
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