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Natasha_Volkova [10]
3 years ago
15

Please help mee thanksssss

Biology
2 answers:
amid [387]3 years ago
7 0
None of them. hope this helps
jok3333 [9.3K]3 years ago
5 0
Playing in the water because it would be 91 faherinhit and it would be hot
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Answer:

a.Brain

Explanation:

Hypothalamus: The hypothalamus  is in the lower central part of the brain. It links the endocrine system and nervous system. Nerve cells in the hypothalamus make chemicals that control the release of hormones secreted from the pituitary gland.

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What type of bonds are found between the 5-Carbon sugar of one nucleotide and the Phosphate group of the next?
defon

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SSSSS [86.1K]
1-The correct answers is C- evolutionary classification.
Evolutionary classification/taxonomy is a branch of biological classification. The objective is to classify organisms and group them based on their shared descent, progenitor-descendant relationship and degree of evolutionary change. Now this classification can be done by comparing DNA sequences of the organisms and seeing how many they have in common

2- The correct answer is A-cladistic analysis.
A cladistic analysis is focused on categorizing the organisms based on their derived characters. And what is that? that means they are getting categorized
according to their evolutionary relationships( from ancestral characters).
So, species are going to be classified according to how recent their common ancestor is. If two species have a more recent ancestor they will end up in the same group
If the common ancestor between them is far, the distance between the respective taxa will be bigger.

3- The correct answers is C.
A derived character is a characteristic that appeared throughout evolution, still remains in a lot of different taxonomic groups and allows us to identify those groups.
From the options given, C is the only correct one because the presence of hair (a derived character)  only exists in mammals( the group). Other animals don't share that trait.


4-The answer is A.
In each node, a taxon was only one but then was divided into two taxa. Therefore, each node will represent a common ancestor of the taxon.
The correct option is A because the last node or terminal node is the hypothetical last common ancestor of the taxon on the cladogram.

5-  The correct answer is A.-DNA can solve evolutionary puzzles.
Dna has been helping understand how an organism is similar to more than one species, and that way, we can classify the organism the best way possible.
This can be achieved by comparing the nucleotides of the organism we want to classify, with other species. There are databases that have all the DNA sequenced so, what's left to do is count the common nucleotides and their positions.
3 0
3 years ago
Driving cars requires gas, which is drilled from the Earth in the form of fossil fuels. What is one negative impact this could h
yanalaym [24]
Hello,

I think your answer may be <span>B.The drilling of fossil fuels could lead to an accident, like an oil spill, causing harm to the ocean environment. </span><span>

Im not 100% sure tho!</span>
6 0
3 years ago
Which way do the nitrogenous bases in DNA pair up
slamgirl [31]

Answer: Base pairs occur when nitrogenous bases make hydrogen bonds with each other.

Explanation: Each base has a specific partner: guanine with cytosine, adenine with thymine (in DNA), The hydrogen bonds are weak allowing it to "unzip"

6 0
3 years ago
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