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Maslowich
3 years ago
8

All of these terms EXCEPT ___________ contribute to natural selection. A) cladograms B) coevolution C) mass extinctions D) adapt

ive radiation
Biology
2 answers:
mojhsa [17]3 years ago
3 0
The answer is A)cladograms
Levart [38]3 years ago
3 0

Answer:

Option A, cladograms

Explanation:

Cladogram is basically a tool that is used to represent the phylogenetic relationship between organisms. Here the organisms are represented in a diagram with a hypothetical relationship among them . It has no contribution in the change of morphology, analogy or genotype of any of the organsim represented in it. Hence, cladogram is just a method to study the relationship between organism.

While all three coevolution, adaptive radiation and even mass extinction bring changes in the species in some or the other form with time.

Hence, option A is correct

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The Tuskegee syphilis study raised serious concerns about ethical research because the researchers ________.
aivan3 [116]

Answer:

a) withheld information from test subjects about their condition

Explanation:

The Tuskegee syphilis study which was carried between 1932-1972 in the Macon County, Alabama on the African-Americans infected from syphilis.

The U.S. Public Health Service started the study promising the infected persons that they will receive the benefits from the studies like a healthy meal, proper antibiotic medication and other benefits.

But the U.S Public Health Service failed to provide the services mainly the medication in which antibiotic penicillin which could treat the disease was not provided to the patient. As a result of this, syphilis continued in their generations also and people and about 100 subjects died.

They were told that they had bad blood which cannot be treated and thus in 1972, this raised a question over this issue related to ethics as to why the penicillin was not provided as well why the person was kept away from the reality.

Thus, Option-A is the correct answer.

4 0
3 years ago
What is the difference between active & passive transport?
siniylev [52]

Answer:

An active transport requires energy, a passive transport does not.

That's all! Hope that helps :)

4 0
3 years ago
How will the molecules in this illustration move as a result of diffusion?
AleksAgata [21]

Answer:

no illustration

Explanation:

3 0
3 years ago
A certain Drosophila protein-encoding gene has one intron. If a large sample of null alleles of this gene is examined, will any
Alex

Answer:

a) Yes

b) Yes

c) Yes

d) Yes

Explanation:

a. In the exons?

Yes mutant site will be expected. It will transcript-ed as well and it can be a polypeptide depending on the mutation type.

b. In the intron?

Yes mutant site will be expected. It will be transcript-ed as well and it cannot be a  polypeptide  

c. In the promoter?

Yes mutant site will be expected. It will not be transcript-ed and it cannot be a  polypeptide

d. In the intron-exon boundary?

Yes mutant site will be expected. It will be transcript-ed and it cannot be a  polypeptide

3 0
3 years ago
Organelles
Bad White [126]
The correct answer is Eukarya. I just had this question and it says the answer is Eukarya. Eukarya has DNA located inside of a nucleus, some have cellular membrane-bound organelles.
Hope this helps!
Give me the brainliest answer please!

5 0
3 years ago
Read 2 more answers
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