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xxMikexx [17]
2 years ago
12

How were fossils of plants found in antarctica

Biology
1 answer:
Citrus2011 [14]2 years ago
7 0

Explanation:

More than a century ago, the first fossils were discovered in Antarctica. During the expedition to the Pole

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4 0
2 years ago
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Fil in the blanks:1. A fat molecule is composed of two types of smaller molecules, including only one molecule of _________. 2.
Sedbober [7]

Answer:

1. Glycerol

2. Fatty acids

3. Monoglycerides

4. Triglycerides

5. Hydrocarbon

6. Hydrophobic

Explanation:

1. Glycerol

Fat consist of a molecule called glycerol that is attached to one, two, or three fatty acids. Glycerol is the basis of all fats and consists of a three-carbon chain that is attached to the fatty acids.

2. Fatty acids

Fats is made up of three fatty acids and a glycerol, it can also be called triacylglycerols or triglycerides.

3. Monoglyceride

It is a glycerol molecule with a singular fatty acid. It is formed through the combination of OH of glycerol to the OH of the fatty acid.

4. Triglycerides

It has three fatty acid molecules. It is a tri-esters made up of a glycerol attached to three fatty acid molecules.

5. Hydrocarbon

Fatty acids is made up of long, unbranched hydrocarbons with a carboxylic acid group found at one end.

6. Hydrophobic

The hydrophobic nature of fat arises from the carbon-hydrogen bonds that are nonpolar.

3 0
3 years ago
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Some members of the Euglenids are photosynthetic, yet they will lose their photosynthetic pigment if left in the dark. True or F
irga5000 [103]

A) Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE

B )The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

<h3>What are Euglenas</h3>

Euglenas are unicellular organisms belonging to the kingdom Protista, when kept in the dark for too long Euglenoids begin to lose their chlorophyll. As it loses its chlorophyll it becomes unable to produce its own food and starts consuming bacterias within its habitat.

The loss of chlorophyll in Euglenids can be regained after it is been exposed to sunlight and allowed  to grow exponentially for several weeks.

Hence we can conclude that  Some members of the Euglenoids lose their photosynthetic pigment when left in Dark : TRUE  while The loss of photosynthetic pigment in Euglenids stored in the dark is permanent : False

Learn more about Euglenoids : brainly.com/question/1278307

8 0
2 years ago
Suppose a new data pair with an x-coordinate of 30 was entered into the data set below. If the new data pair followed the same t
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8 0
3 years ago
Which statement is characteristic of streams and rivers
Drupady [299]

Streams or rivers form when water that does not find an underground aquifer, drains off the land by either seeping through the soil or spilling over the surface into the river or stream bed. 

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