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9966 [12]
3 years ago
13

1. Os ancestrais das cobras possuíam membros, que desapareceram ao longo da evolução do grupo. Marque a alternativa que explica,

de acordo com o lamarckismo, a ausência de patas em serpentes: * 1 ponto a. Os ancestrais das cobras adotaram hábitos rastejantes, deixando de utilizar os membros, que atrofiaram e acabaram por desaparecer nesses animais. b. Existiam variações nas características ancestrais das cobras. Os animais que não possuíam membros, foram selecionados pelo ambiente pois favoreceu o hábito rastejante.
Biology
1 answer:
lina2011 [118]3 years ago
5 0

Answer:

ced sfhhhbbbbbbbbbbbbbbbbh

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xz_007 [3.2K]

starch is polysacchariide of glucose, which is a simple sugar l.e.monosaccharide. food is astored in plants in form of starch mostly. glycogen is another polymer of glucose. excess food i.e. glucose is stored in form of glycogen in animals.

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6 0
3 years ago
The U.S. has sent unmanned spacecraft to _____ the planets in our solar system. A. all B. most C. some D. none of
Mandarinka [93]
<h3>Answer:  A. all</h3>

Every planet in our solar system has been visited by an unmaned spacecraft sent by the United States. The launch years are given in this order

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  • Mars (1964)
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5 0
3 years ago
Read 2 more answers
Describe cinder cone volcano
Crank
A cinder cone<span> or </span>scoria cone<span> is a steep </span>conical hill<span> of loose </span>pyroclastic<span> fragments, such as either volcanic clinkers, cinders, volcanic ash, or </span>scoria<span> that has been built around a </span>volcanic vent.[1][2]<span> They consist of loose pyroclastic debris formed by explosive eruptions or lava fountains from a single, typically cylindrical, vent. As the gas-charged lava is blown violently into the air, it breaks into small fragments that solidify and fall as either cinders, clinkers, or scoria around the vent to form a cone that often is beautifully symmetrical; with slopes between 30-40°; and a nearly circular ground plan. Most cinder cones have a bowl-shaped </span>crater<span> at the summit.</span><span>[1]   

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5 0
4 years ago
Read 2 more answers
PLEASE HELP NOW  At which of these convergent plate boundaries are active volcanoes not likely to be located?
sertanlavr [38]

Arabian plate and Eurasian plate is the correct answer.

8 0
3 years ago
Eukaryotic cells are able to trigger the release of material from secretory vesicles to the extracellular space using a process
frozen [14]

Answer:

hormones

Explanation:

An example of materials commonly released this way is hormones. These are chemical messengers that are sent to the pituitary gland where they are released directly into the bloodstream. The blood then carries the hormones to different organs and tissues of the body in order to exert their specific function which varies depending on the specific type of hormones being secreted.

3 0
3 years ago
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