Where does most of earth's events takes place

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Answer 1

Answer:

In terms of atmosphere layers, it almost entirely occurs in the troposphere

I hope that's help !

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What do fungal and many protists cells have in common with animal cells that might make disease treatment more challenging?a) they are eukaryotic
b) they are prokaryotic
c) they have a similar cell membrane composition
d) they have a similar cell wall composition
e) they have cell with single flagellum at some stage of life
f) they are multicellular

Answers

The right answer for the question that is being asked and shown above is that: "e) they have cell with single flagellum at some stage of life" fungal and many protists cells have in common with animal cells that might make disease treatment more challenging is that they have cell with single flagellum at some stage of life

Vestigial structures are remains of a structure that was functional in some ancestor but is no longer functional in the organism in question.true or false

Answers

Your answer is True.

Hope this helps.

What happens during interphase?

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the cell prepares for mitosis

the resting phase between successive mitosis divisions of a cell,basically the mother cell is resting there.

Need HELPOf the items listed, what is something that could be used to help tell the history of an area?

rock layers

animal habitats

human settlements

plant life

Answers

Answer:

rock layers becuase fossils and other ancient things could be in there

Explain why multicellular organisms require a ventilation system?? include reasons on
surface area to volume ratio
cells depp within the body
and number of cells

Answers

Ventilation maintains a steep concentration gradient, blood at the exchange surface usually has lower O2 and higher CO2 content than the air (of for fish, the water) at the exchange surface. This is what allows for diffusion of O2 into the blood and CO2 out of the blood. Multicellular organisms have a greater number of cells so will have a higher energy demand than single cellular organisms, this demand can only be met by allowing the cells to respire, a ventilation system brings oxygen molecules which are a raw product of respiration into the hemoglobin of the blood to be transported to tissues. As surface area : volume ratio is very low so if there was no ventilation system and the organism instead relied on exchange of materials through the exposed skin it would be very difficult to met the high energy demand as less O2 and CO2 would be able to be exchanged.

In multicellular organisms, the division of labor provided by these bodies grouped into specialized devices imposes a number of constraints.

One of the constraints is that it is necessary for all cells in the body to be well supplied with both nutrients and oxygen. The transition to multicellularity requires the establishment of a circulatory system and a respiratory system for the supply and purification systems for the disposal of waste.

The amount of oxygen required to breathe depends on:

Ratio surface / volume plus it is small and the intake by the respiratory system must be important.

The depth of the cells, which evolves proportionally with the oxygen supply required.

The number of cells that also evolves proportionally with the oxygen supply required.

To test for lipid is heat needed????????

Answers

Answer:

Explanation:

Place two spatulas of the food sample into a test tube or 1 cm3 if the sample is liquid.

Add 2 cm3 of ethanol to the tube. Cover the end of the tube and shake the tube vigorously.

Allow the contents to settle.

Pour the liquid from the top of the mixture into a test tube half-filled with water.

Record the level of the food and whether the water is cloudy or clear.

As you can see no heat is needed

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