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Svetllana [295]
3 years ago
14

What is a dichotomois keys

Biology
1 answer:
vichka [17]3 years ago
4 0
A dichotomous key is a tool that helps the user to determine the identity of items in the natural world, such as trees, wildflowers, mammals, reptiles, rocks, and fish. 
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Why are two atp required during the first phase of glycolysis?
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Answer: it is to prepare the six-carbon ring for cleavage

pls mark as brainliest. thank you

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2 years ago
What is Newton's 3rd law of motion? Explain how this picture represents this law.
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2 years ago
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in the reaction c o2 → co2, 18 g of carbon react with oxygen to produce 72 g of carbon dioxide. what mass of oxygen would be nee
Strike441 [17]
From the given balanced chemical reaction,
                                   C + O2 -> CO2
the mass ratio of the carbon and oxygen that is needed for the reaction is 12:32. Simplifying the ratio gives 3 unit mass C is to 8 unit mass O2. Given 18 g of carbon,
           18 g x (32 g oxygen / 12 g carbon) = 48 grams. 
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3 0
3 years ago
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Plant embryos __________. a. rely on protection and resources supplied from the maternal plant. b. result from fertilization ext
Roman55 [17]

Answer:

A) rely on protection and resources supplied from the maternal plant.

Explanation:

The embryo is a structure formed after the fusion of the male gamete and female gamete. A diploid zygote is formed after cellular division forms the embryo in the female gametophyte and therefore is considered the diploid tissue.

The embryo requires the nutrients for growth and absorb them from the surrounding female gametophyte structure like endosperm in the angiosperm. The embryos grow and form the sporophytic structure.

Thus, Option-A is correct.

5 0
3 years ago
Which sequence best represents increasing
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