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antoniya [11.8K]
4 years ago
9

Why must plants contain large amount of nitrogen

Biology
1 answer:
insens350 [35]4 years ago
3 0

Nitrogen is a component of chlorophyll and therefore essential for photosynthesis

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Systematists have used a wide variety of traits to reconstruct the phylogenies of particular groups of organisms. Which one of t
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Answer:

All of the above traits combined

Explanation:

Phylogeny is an evolutionary history of development of a certain species or taxonomic group.

The purpose of phylogenies is to represent evolutionary relationships among a group of organisms.

During the reconstruction of phylogenies. Systematists often use a variety of traits in order to produce a good estimate of a phylogeny.

The use of molecular traits, gross morphological traits, behavioral and biochemical traits  combined can give a good estimate of a phylogeny.

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3 years ago
Read the information below then answer the questions which follow:
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Answer:

I believe the experiment was too see if the flowers that would grow from the stem would turn out to be red in color. (Which is the reason they put red ink.)

(hope this helped :P)

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3 years ago
A star’s apparent magnitude is a measure of
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It is how bright is is t the observer on earth...so wuld be c!!
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Answer:

Digestive, excretory, circulatory, lymphatic, respiratory

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digestive is your stomach

excretory is your colon

circulatory is your heart

lymphatic is your white blood cells and others

respiratory is your lungs

I'll go more in-depth in the comments but I think you need answers now

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