The largest mass extinction event in the history of the Earth occurred at the end of the _______ period. A. Ordovician B. Devonian C. Permian D. Cambrian

Answers

Answer 1

Answer: Answer is C. The Permian saw the enhancement of the early amniotes into the genealogical gatherings of the well evolved creatures, turtles, lepidosaurs, and archosaurs. The world at the time was ruled by two landmasses known as Pangaea and Siberia, encompassed by a worldwide sea called Panthalassa.

Answer 2

Answer: The largest mass extinction event in the history of the Earth occurred at the end of the Permian period. This time period spans 46.7 million years, in this extintion nearly 90% of marine life and 70% of terrestrial beings died out. It took a lot of time to recover from this mess.

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Solar energy that has been absorbed by the hydrosphere is transported around the Earth by? A.currents and winds.
B.radiation in the hydrosphere.
C.reflection in the hydrosphere
D.surface and deep ocean currents.

Answers

We have that the hydrosphere of the world is the part of the Earth where the water element is predominant; thus it contains oceans, seas but also lakes and rivers. The heat that is stored in those is circulated through both massive and small currents, that can either surface currents or deep ocean currents. An example of this would be the Guld stream that transfers heat accross the Atlantic.

Did James D. Watson's discovery contribute to any of the following?• Cellular Structure and Function
• Reproduction
• Metabolism
• Homeostasis
• Heredity
• Evolution
• Interdependence

Answers

James Watson and Francis Crick both discovered the double helix structure of the DNA molecule.

Answer:

the correct answer heredity

Explanation:

Which of the following organisms would you expect to have the largest surface-area-to-volume ratio? Assume that all of the following are the same total length. _____ Select one: a. a rotifer b. a mollusk c. an annelid d. an arthropod e. a platyhelminth

Answers

The organism that should be expected to have the largest surface-area-to-volume ratio is option e. a platyhelminth.

What is a platyhelminth?

It contained soft bodies. it should be considered as the bilateralsymmetrical. It should be free-living in nature. Also, it consist the marinespecies and the other should live in the freshwater. The anterior part of the body should possess the mouth. Here the organ should be situated along with the size of the body.

hence, option e is correct.

learn more about an area here: brainly.com/question/24818544

Answer:

The preferable option will be - E.

E. A platyhelminth has the largest surface-area-to-volume ratio.

Explanation:

Platyhelminth :

They have soft bodies.
Their body is bilaterally symmetrical.
They are free-living.
Some of them are marine species and others live in freshwater or moist transitional environments.
At the anterior part of their body, possesses their mouth.
Their organ is situated along their body size.
They are divided into four classes such as : Turbellaria, Monogenea, Trematoda, and Cestoda.
E.g, flatworm, tapeworm, monogenea, flukes etc.

Which of the following best describes a characteristic of Fungi that differentiates them from Bacteria?a.Fungi are eukaryotes, while Bacteria are prokaryotes.

b. Bacteria are heterotrophs, while Fungi are autotrophs.

c. Bacteria have gametangia, while Fungi do not.

d. Fungi have cell walls, while Bacteria do not.

Answers

Answer: a. Fungi are eukaryotes, while Bacteria are prokaryotes.

Fungi are eukaryotic saprophytic or parasitic organisms that are dependent on dead and decaying matter to obtain their food. Like, other eukaryotic organisms they exhibit membrane bound cell organelles. The range from single celled to multi cellular organisms. But bacteria are simple single celled prokaryotic organisms, they do not possess membrane bound organelles.

(A)Fungi are eukaryotes, while Bacteria are prokaryotes......

The primary organs of excretion are theA. heart and lungs.
B. lungs and kidneys.
C. kidneys and liver.
D. liver and pancreas.

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the primary organs of excretion are the D. liver and pancreas

The answer is B. Lungs and kidneys

Pancreatic juice is composed of _______ bicarbonate in the presence of hydrochloric acid.

Answers

Sodium bicarbonate! :)

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