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Alla [95]
3 years ago
15

How do variation and natural selection work together to help cause evolution?

Biology
1 answer:
Liono4ka [1.6K]3 years ago
3 0
During natural selection animals (example) choose the traits they best like to continue breeding with. Variation helps this by providing both good and okay (bad) things too choose from. 

Once natural selection has occurred, the population has a whole will evolve by leaving behind the undesired traits. 
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Which organism would the researchers most likely predict to be the most distantly related to eukaryotes?.
Marizza181 [45]

Answer:

Organism I (circular chromosomes)

Explanation:

I can eliminate organisms II, III, and IV because these organisms have linear chromosomes therefore making it the most closely related to eukaryotes because they consist of linear chromosomes. My only other choice would be organism I, and since it has circular chromosomes we can conclude that this is the most distantly related to eukaryotes.

7 0
2 years ago
Recombinant DNA technology has produced medically useful products. Most of these products are _______ that are normally present
scZoUnD [109]

Answer:

proteins; purify; expression

Explanation:

One of the products of recombinant DNA technology is antibiotics. To have penicillin, we used to have to breed fungus that produces the drugs. With recombinant DNA technology, you can extract the DNA that needed to produce penicillin, then put it into a bacteria using an expression vector. This technology will allow us to produce a specific protein (whether its enzyme, hormone, or anything) easier.

7 0
3 years ago
Jenny predicts that when water in a cup evaporates, the mass of the water and cup together will get smaller.
Elden [556K]

A.  Use a scale to measure the mass of a cup of water. Leave the cup out for one day and measure the mass again.

Explanation:

Jenny can predict is evaporation occurs by using a weighing scale to measure that mass of a cup of water, then he leaves the cup out for one day and he measures the mass again.

  • If the mass remains the same, then evaporation did not occur.
  • If evaporation occurs, then the mass will be lesser after the second measurement.
  • From this Jenny can infer the mass loss and made good deductions.
  • Evaporation is a phase change in which liquid turns to vapor.

Learn more:

Evaporation brainly.com/question/10972073

#learnwithBrainly

4 0
3 years ago
How many types of muscle tissue are there?
Gwar [14]
Answer:

C. 3 types

- cardiac, smooth and skeletal tissue
4 0
3 years ago
Read 2 more answers
A 2006 genetic study of a large American family (Ikeda et al., 2006) identified a genetic linkage between DNA markers on chromos
nirvana33 [79]

Answer:

Yes

Explanation:

This is solely because a lod score for SCA5 and marker A is >3.0, so it indicates statistical significance.

3 0
3 years ago
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