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aivan3 [116]
3 years ago
5

What is the adaptive advantage of lungs?

Biology
1 answer:
Finger [1]3 years ago
8 0
What you meant must be the adaptive advantage of the frogs' lungs. Frogs are considered as amphibians wherein the have this unique ability to reside either on land or in water. Their specialised lungs could be responsible to these which makes them capable of breathing oxygen in water and land.
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Which of the following is NOT a component of a nucleotide?
Paha777 [63]

Answer:

Option D.

Explanation:

The above answer given is incorrect. Nucleotides consist of a phosphate group attached to a pentose sugar, with 5 carbons,  (deoxyribose sugar in the case of DNA) and the pentose sugar is also attached to a nitrogenous base. DNA is incorrect as nucleotides are the building block of DNA hence DNA is NOT a component of nucleotides.  

4 0
3 years ago
1 pts
Sergio039 [100]

Answer:

AMINO ACID, LIDID, CARBOHYDRATE

8 0
3 years ago
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
Several scientists stated that plant growth would be similar regardless of the soil type. Students in Ms. Gray’s class performed
ddd [48]

Particle size of soil and aeration capacity play important roles in plant growth

3 0
3 years ago
PLEASE ANSWER QUICKLY!! 4O POINTS!!!!
nadya68 [22]

The correct answer is option A, a popular culture magazine

Reason -

A cultural magazine covers the stories from the field of art and culture and has no relations with the medical field. The content of a cultural magazine primarily includes latest trends in the field of art and culture and their impacts on the society.  

Here some may also refer to the popular “CULTURE” magazine of America which talks about cannabis community. It was published with an intention of entertaining 5,00,000+ cannabis patient thought the content of magazine which includes  news, legal advice, event , music, travel column, strain and edible reviews, CD/DVD/film/book reviews, recipes, photo galleries and an extensive events calendar

5 0
3 years ago
Read 2 more answers
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