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Alona [7]
3 years ago
12

A tropical rainforest typically has _ layers. a ) 2 b ) 3 c ) 4 d ) 5

Biology
2 answers:
Ivanshal [37]3 years ago
8 0

Answer: I think it is b

Explanation:

deff fn [24]3 years ago
8 0
It typically has 4 layers
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According to this evolutionary tree, the archaea and eukaryotes last shared a common ancestor ________.
Lostsunrise [7]

Answer:

2.5 billion years ago.

Explanation:

Evolutionary tree is constructed to understand the phylogeny and evolution relationship of the organism. The evolutionary tree is constructed by looking at the molecular and physiology of the different organisms.

The eukaryotes are more closely related to the archaea. Depending on the biochamical and molecular evidence is has been found that they share the common ancestor almost 2.5 billion years ago. This can also be deduced by the fossil evidence as well.

Thus, the answer is 2.5 billion years ago.  

5 0
2 years ago
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How does carbonic anhydrase change the reaction between carbon dioxide and water?
Natalka [10]

It catalyzes the reaction by making it fast (both forward and reverse reactions).

Naturally, the reaction between CO2 and H2O is very slow in the formation of carbonic acid. However, in the blood, due to the presence of the enzyme, the reaction is much rapid by millions of factors. This is because the enzyme reduces the activation energy of the reactants.  The enzyme is important in respiration of cells and in pH regulation,


4 0
3 years ago
In comparison with the renal cortex, fluid in the proximal tubule is hyperosmotic.
ArbitrLikvidat [17]

The proximal tubule fluid is more hyperosmotic than the renal cortex, but this does not influence what is causing the acid-base disruption.

<h3>How does hyperosmotic work?</h3>

In the extracellular space, the first drop in temperature results in the formation of crystals, which creates a hyperosmotic environment that draws water out of the cells and causes them to contract. Organelles & biological membranes are damaged as a result of inner crystal formation as the temperature drops.

<h3>What transpires inside a hyperosmotic environment to a cell?</h3>

A cell submerged in a 10% dextrose hyperosmotic , osmotic pressure solution would initially lose area as water departs and then start gaining proportion as glucose is delivered through into cell as moisture follow by osmosis. This is because water crosses cell surfaces more quickly than solutes do.

To know more about Hyperosmotic visit:

brainly.com/question/28302809

#SPJ1

3 0
1 year ago
WILL MARK AS BRAINLIEST!!!
mr Goodwill [35]

Answer: C

Explanation: Left ventricle. With the thickest muscle mass of all the chambers, the left ventricle is the hardest pumping part of the heart, as it pumps blood that flows to the heart and rest of the body other than the lungs.

7 0
2 years ago
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How would decerasing the time it takes you to run a certain distance affect your speed ?
dmitriy555 [2]

It would mean you are moving faster than you already were.

motion

6 0
3 years ago
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