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Ugo [173]
3 years ago
14

What is the basic concept used to justify the building of phylogenetic trees

Biology
1 answer:
Anna71 [15]3 years ago
5 0
A phylogenetic tree,<span> or </span>evolutionary tree,<span> is a branching </span>diagram<span> or "</span>tree<span>" showing the inferred </span>evolutionary<span> relationships among various biological </span>species<span> or other entities </span>based upon similarities and differences in their physical or genetic characteristics. The taxa joined together in the tree are implied to have descended from a common ancestor<span>.</span><span />
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How are permineralized fossils formed
matrenka [14]
Process. Permineralization is a type of fossilization involving deposits of minerals within the cells of organisms. Water from the ground, lakes, or oceans seeps into the pores of organic tissue and forms a crystal cast with deposited minerals. Crystals begin to form in the porous cell walls.
3 0
3 years ago
a scientist kept 500 grams of a radioactive material in a container. after 60 minutes, he observed that 62.5 grams of the radioa
Gnoma [55]
After the 1st half-life 250 g of the radioactive material will be left. 
<span>After the 2nd half-life 125 g of the radioactive material will be left. </span>
<span>After the 3rd half-life 62.5 g of the radioactive material will be left. </span>

<span>Therefore after 60 minutes, 3 half lives would have occurred. </span>

<span>Therefore the half-life = 60 / 3 = 20 minutes when 250 grams of the original material would have remained radioactive. </span>

<span>Therefore the answer is A) About 250 gram of the material decayed in 20 minutes.</span>
7 0
4 years ago
Birds, insects, and many reptiles excrete nitrogenous waste in the form of uric acid, which _____. is not very toxic compared to
attashe74 [19]
Reduces water loss compared to other nitrogenous wastes but requires more metabolic energy to produce

Mammals excretes urea as the primary nitrogenous waste product. On the other hand birds, and reptiles excretes uric acid as the primary nitrogenous product. They are called uricothelics because they can convert ammonia to uric acid. Uric acid is a compound similar to purines. This is produced through a complex metabolic pathway thay cost high energy. However it has advantages such as reducing water loss.
5 0
3 years ago
What are some types of consumers in a tropical rainforest 5+ examples plz
gavmur [86]

Answer:

The Primary Consumers – the macaws, monkeys, agouti, tapir, butterflies, sloths, toucans. The Secondary Consumers – the jaguar and boa constrictor.

Explanation:

4 0
2 years ago
The nurse is caring for a client with severe diarrhea. the nurse recognizes that the client is at risk for developing which acid
Neko [114]

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Metabolic acidosis is the condition in which the body forms a buildup of acid, due to the improper functioning of kidney. This can usually be seen during diarrhea. It can also happen when the diabetes of a person becomes complicated. The pH of the body becomes less than 7.35 during this.

To know more about metabolic acidosis, here

brainly.com/question/17031780

#SPJ4

3 0
2 years ago
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