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Brums [2.3K]
3 years ago
14

Which protist is the most widely known form of marine plankton and is thought to have given rise to plants?

Biology
1 answer:
Tom [10]3 years ago
8 0
A. is your correct answer.

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The DNA tells a ribosome how to assemble a protein.
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Ferns use the starch-filled cells of this structure for storage.
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Define fossil include two types of preserved clues in your definition
vagabundo [1.1K]

Answer:

A fossil is remain or impression of dead plants or animals which have lived thousands of years ago it can also be described as  any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved in amber, hair, petrified wood, oil, coal, and DNA remnants

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3 0
3 years ago
The model that assumes that evolution proceeds with a slow successive change in a given evolutionary line are referred to
Maru [420]

Answer:

The correct answer is - d.  gradualism.

Explanation:

Gradualism is a model of evolution that explains that the smaller variation in an individual organism that is occurring over a period of the time is to the betterment of the organism in their environment.

These changes or variations allow them to thrive and survive with a slow successive change in an evolutionary line or the whole population. It is a consistent process.

Thus, the correct answer is - D. gradualism.

4 0
3 years ago
How much 3M NaOH (MW=40) can be made from 10.0mL of a 10M solution?
vaieri [72.5K]

Explanation:

The given data is as follows.

              M_{1} = 3 M,           V_{1} = ?

              M_{2} = 10 M,         V_{2} = 10.0 ml

Therefore, calculate the volume of given solution as follows.

              M_{1} \times V_{1} = M_{2} \times V_{2}

Now, putting the given values into the above formula as follows.

            M_{1} \times V_{1} = M_{2} \times V_{2}

            3 M \times V_{1} = 10 M \times 10.0 ml    

                   V_{1} = 33.3 ml

or,                             = 0.033 L        (as 1 ml = 0.001 L)

Since, molarity of NaOH is given as 3 M and its volume is calculated as 33.3 ml.

           Molarity = \frac{\text{mass of solute}}{\text{molar mass of solute}} \times \frac{1}{\text{volume in L}}

               3 M = \frac{mass}{40 g/mol \times 0.033 L}

              mass = 3.96 g

Therefore, we can conclude that mass of NaOH is 3.96 g.

8 0
3 years ago
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