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fenix001 [56]
3 years ago
5

Viviparous type of seed germination is found in

Biology
1 answer:
PtichkaEL [24]3 years ago
4 0

Answer:

(4) Both (1) & (2)​

Explanation:

Viviparous germination is a type of seed germination in which seeds germinates but still attached with the plant body. This type of germination is present in plants such as Sonneratia and Rhizophora. In these plants, the embryo which is present inside the seed grows and break the seed coat and after that, it comes out the fruit which is still attached to the plant.

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With regard to the process of neural transmission, a refractory period refers to a time interval at which?
dangina [55]

Neurotransmitters. With the regard to the process of the neural transmission, a refractory period refers to the time in interval in which. the Positively charged sodium ions are to pumped back to outside a neural membrane.

Neurotransmitters are the chemical messengers that your body can't function without it. Their job is to carry out chemical signals (“messages”) from one of the neuron (nerve cell) to the next target cell. The next target of the cell can be another nerve cell, a muscle cell or the gland.

Fortunately, the seven “small molecule” are neurotransmitters (acetylcholine, dopamine, the gamma-aminobutyric acid (GABA), or glutamate, histamine, norepinephrine, and the serotonin) do the majority of the work.

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brainly.com/question/28101943

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6 0
1 year ago
Which statement is true about smaller cells A less active metabollically B having smaller nucleus and organelles C with larger n
yan [13]

Answer:

D more active metabolically

Explanation:

As a result of their surface area to volume ratio, smaller living cells are more active metabolically as transport through the cell organelles occur faster

3 0
3 years ago
(( EARTH SCIENCE ))
riadik2000 [5.3K]

Answer:

A is the answer as to my knowledge

7 0
3 years ago
How does a vascular system serve the needs of a plant cell??
saw5 [17]
We first have to understand what a vascular system is. A vascular system consists of the water-carrying tube(xylem) and food-carrying tube(phloem). These 2 tubes are very essential for plants to survive. The xylem transports water to the leaves thru the stem to nourish the leaves so as to make food. The word equation is : Water + Carbon dioxide ----> Glucose + Oxygen. The phloem on the other hand transports the food from the leaves that creates them amd sent them to all parts of the plant. It is often a misconception that food is only sent to the fruits. The plant receives nutrition from the food that is made by the leaves. Overall the vascular system plays a very importamt roles in the survival of the plant.

To put it simple, think of the vascular system of a plant like the circulatory system of a human. Without the circulatory system, the human is unable to receive oxygen for breathing and remove carbon dioxide which is acidic in nature and pose a threat to the human body.
8 0
3 years ago
Early land animals had gills as well as lungs. Please select the best answer from the choices provided T F
natka813 [3]
The answer is False.

Although, there are some evidence that suggests that species from million years ago possessed both gills and lungs. For example is the Acanthostega Gunnari, one of the oldest species discovered with four limbs. The creature is a salamander-like creature found in Greenland hundreds of million years ago. Although the specie can walk on land but the finding characterized the creature primarily as a fish.
6 0
3 years ago
Read 2 more answers
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