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WARRIOR [948]
3 years ago
12

What is the time period of grapolites

Biology
1 answer:
Bond [772]3 years ago
5 0

Answer:

Graptolites lived from the Cambrian Period, about 510 million years ago, disappearing in the Carboniferous Period, around 320 million years ago.

hope this helps!

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Coal, a fossil fuel made from the remains of swamp plants, has been found in Antarctica. Which of the following is the most reas
Natalija [7]

Answer:

The climate of Antarctica was probably much warmer in the past than it is today.

Explanation:

There are little things living there now. Coal takes millions of years to form. There must have been much more living things there in the past (when it was warmer) to make coal.

7 0
3 years ago
What molecule is represented by the molecular model shown below?
ladessa [460]
Apparently it is ATP as deduced from the last line of text and no model to refer to.
8 0
3 years ago
Create a phulogeny using the following taxa: monarh butterfly, rainbow trout, ochre sea star, African elephant, earthworm, nemat
masha68 [24]

Answer:

http://etetoolkit.org/treeview/?treeid=e29a1e3f1e8914f370f5bb2415bbcf32&algid=ce443ed1e53858bf4e11d1e069c7a927

You can view the tree by clicking view tree...

Explanation:

I think that the Ctenophora are the first to diverge from the origin then Calcerea goes for second divergence and it goes straight in the order as provided by your data.

It also shows the organization of evolutionary pathway from simple (Ctenophorea and Calcerea) to complex like mammals (African Elephant)...

Download txt
7 0
2 years ago
N the early 1900's a scientist hypothesized a link between DNA and the production of proteins in the cytoplasm. However, the fac
Dovator [93]

The plasma membrane or the cell membrane is the one that protects the cytoplasm of a cell. It is mostly composed of lipids and proteins. It has a phospholipid bilayer that controls the entering and exiting of molecules in the cell and at the same time, provides protection for the cell or plasma membrane. It has polar head and a nonpolar tail. Proteins embedded within the phospholipid bilayer have the same function of the plasma membrane that includes selective transport. The phospholipid bilayer consists mainly of the lipid molecules.

7 0
3 years ago
Two selectively permeable sacs A and B were submerged in a 45% glucose solution that was contained in a beaker. Sac A contained
Vesnalui [34]

Answer:

Option a. Only from Sac A to the beaker is correct.

Explanation:

As beaker contains glucose which is a monosaccharide and Sac A also have glucose in it, So, therefore glucose from sac A will move into beaker through the process of OSMOSIS.

Sac A (15% glucose) is less concentrated as compared to beaker (45% glucose) therefore this phenomenon will occur. (See attached image for more detailed and graphical explanation)

5 0
3 years ago
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