BIOLOGY HIGH SCHOOL

Describe cinder cone volcano

Answers

Answer 1
Answer:

Answer:

Simplest volcano made up of lava eruptions from a single vent which later on deposit as cinder

Explanation:

Cinder cone volcanoes also known as ash cone volcanoes are one of the simplest volcanoes that are made up of explosive dark ferromagnesian congealed lava eruptions coming out from a single vent. The discharge cools down and settles as cinders around the vent of the volcano.

The outer cone is inclined at some angle (i.e the repose angle) usually thirty degrees. The cinder cone volcanoes can have varying height ranging from few feet to several hundred feet.  

For example - Paricutín volcano in Mexico

Answer 2
Answer: A cinder cone or scoria cone is a steep conical hill of loose pyroclastic fragments, such as either volcanic clinkers, cinders, volcanic ash, or scoria that has been built around a volcanic vent.[1][2] 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 crater at the summit.[1]   

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The region of an enzyme to which a substrate binds is called the

Answers

That would be the enzyme’s active site:)

which of the following mutations would be most likely to improve the chances that an organism would survive and reproduce? F. a stronger scent that makes an animal easier to find G.a weaker scent that makes a flower less attractive to bees H.weaker eyesight that makes an animal less likely to find prey I.stronger leg muscles that allow an animal to jump away from danger

Answers

I. stronger leg muscles that allow an animal to jump away from danger. 

All the others dont benefit the organism in one way or another.

Which process helps make meiotic vlcells genetically different and occurs during prophase 1 ,but not during prophase 2

Answers

So basically in Prophase 1 you will get a synapsis (pairing) between homologous chromosomes. Followed by this you have what is called the crossing over stage, this is where different sections of the chromosomes are exchanged.

When it comes to cytokinesis in meiosis II, you will have four genetically unique haploid cells, that will have a random combination/mixture of the parental and maternal genes

Some green algae exhibit alternation of generations. All land plants exhibit alternation of generations. No charophytes exhibit alternation of generations. Keeping in mind the recent evidence from molecular systematics, the correct interpretation of these observations is that:_________ A) charophytes are not related to either green algae or land plants.
B) plants evolved alternation of generations independently of green algae.
C) alternation of generations cannot be beneficial to charophytes.
D) land plants evolved directly from the green algae that perform alternation of generations.
E) scientists have no evidence to indicate whether or not land plants evolved from any kind of alga.

Answers

Final answer:

Recent molecular evidence suggests that land plants evolved directly from the type of green algae that performs alternation of generations. This trait was likely beneficial and thus retained in all land plants.

Explanation:

The correct interpretation of the given observations is D) land plants evolved directly from the green algae that perform alternation of generations. Molecular systematics evidence suggests a close relationship between charophytes (a type of green algae) and land plants, however, charophytes do not exhibit alternation of generations. This implies that the trait arose after the divergence of charophytes and the lineage that led to land plants. Once land plants appeared, all of them possessed the capacity to undergo alternation of generations, suggesting this trait was beneficial and retained in the subsequent evolution.

Learn more about Evolution of Land Plants here:

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Final answer:

Taking into account recent molecular systematics evidence, it is inferred that land plants evolved from the type of green algae that execute alternation of generations.

Explanation:

Based on the given information and considering the latest evidence from molecular systematics, it can be inferred that land plants evolved directly from the green algae that perform alternation of generations. This conclusion is drawn from the fact that both green algae (some species) and all land plants show the alternation of generations, a complex lifecycle involving two distinct multicellular stages. Charophytes, despite being a group of green algae, don’t display this trait, suggesting a different evolutionary pathway.

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Which of the following describes a pod?A. A community of fish
B. A group of penguins
C. A set of pelicans
D. An assembly of dolphins

Answers

Answer:

D. An assembly of dolphins

Explanation:
Both answers C. and D. are correct. Most marine animals live in pods like seals, whales, and walrus. A. is called a school of fish while B. is a colony of penguins. :(

What organelle controls a cells packaging storage and shipping fuctions?a,[ER]
b,ribosomes
c.Goigi apparatus
d,vesicles

Answers

C) Golgi Apparatus control a cells packaging, storage, and shipping functions.
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