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Karo-lina-s [1.5K]
2 years ago
5

Natural selection acts on

Biology
1 answer:
NNADVOKAT [17]2 years ago
6 0

Answer:

Natural selection acts on a organism's phenotype or observable features.

Explanation:

Hope this helped Mark BRAINLIEST!!

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A forest has two groups of plants that appear to be very similar both phenotypically and genotypically. The major difference is
Gennadij [26K]
The basics would be that you'd need to find out if they could exchange genetic information. If not, they couldn't be considered part of one species. Set-up 2 artificial environments so both groups would produce pollen at the same time. Fertilise both plants with the other's pollen. Then fertilise the plants with pollen from their own group. 
Count the number of offspring each plant produces. 
If the plants which were fertilised by the opposite group produce offspring, they are of the same species. You can then take this further if they are of the same species by analysing if there is any difference between the number (and health) of offspring produced by the crossed progeny and by the pure progeny. You'd have to take into account that some of them would want to grow at different times, so a study of the progeny from their first sprout until death (whilst emulating the seasons in your ideal controlled environment). Their success could then be compared to that of the pure-bred individuals. 
Make sure to repeat this a few times, or have a number of plants to make sure your results are accurate. 
Or if you couldn't do the controlled environment thing, just keep some pollen one year and use it to fertilise the other group. 
I'd also put a hypothesis in there somewhere too. 
The independent variable would be the number of plants pollinated. The dependant variable would be the number of progeny (offspring) produced. 
5 0
3 years ago
Tortoise shell cats, like the one shown above, are always femaleWhat scientific phenomenon explains the color pattern of
8_murik_8 [283]

Tortoise shell cats can be explained as the offspring from a incomplete dominance cross. Incomplete dominance gives rise to an intermediate phenotype.

The scientific phenomenon that explains the color pattern is X-linked incomplete dominance.

  • As stated earlier, the tortoise shell colour is as a result of incomplete dominance but as it exists only in females, the inheritance is X linked.
  • This means the tortoise shell colour is inherited in the heterozygous condition as females have two X (XX) and males (XY) can only be either of the parent's true breeding genotype.

Learn more about X- linked traits: brainly.com/question/14548821

4 0
2 years ago
Cell biologist, Dr. Martine Dinen, is observing an organism's cell using a transmitting electron microscope. She notices that wi
Assoli18 [71]

The cell is most likely prokaryotic because:

Prokaryotes lack membrane-bound organelles such as the nucleus due to which the DNA are seen throughout the cytoplasm.

Eukaryotes have membrane-bound organelles such as the nucleus. So for eukaryotes, the DNA will be present packed inside the nucleus instead of being dispersed in the cytoplasm.

Prokaryotes can either be autotrophic or heterotrophic depending on their mode of nutrition. Autotrophic prokaryotes can make organic molecules for a carbon dioxide source. On the other hand, heterotrophic prokaryotes can take carbon from organic compounds. Hence, the organism can be autotrophic or heterotrophic.

6 0
2 years ago
In the carbon cycle, the role of plants is to
Katen [24]

Answer:

The answer is  B to remove carbn dioxide from the atmospehre your welcome and i hope your happy

Explanation:

7 0
3 years ago
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If I ________________ too much soda, I will have the hiccups for hours
sweet-ann [11.9K]

Answer:

drink

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3 0
3 years ago
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