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RSB [31]
3 years ago
10

What is the evolutionary importance of plants. Not a specific plant, just plants in general.

Biology
1 answer:
satela [25.4K]3 years ago
6 0
The evolution<span> of </span>plants<span> has resulted in widely varying levels of complexity, from the earliest .... Land </span>plants evolved<span> from a group of green algae, perhaps as early as 510 million years ago; some molecular estimates place their origin even earlier .</span>
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Euglena is a unicellular organism with both chloroplasts and mitochondria. If scientists remove all of the chloroplasts from a E
katrin2010 [14]

Answer:

Euglena is a single celled organism. It belongs to Kingdom Protista. Euglena is  a eukaryotic organism that exhibit characteristics of both plants and animals. Some species of Euglena are photoautotrophs like plants which means they have ability to trap sunlight to produce food by the process of photosynthesis. Whereas, some species are heterotrophs like animals which means they obtain food by feeding on other organisms.

If scientists remove all of the chloroplasts from a Euglena, it will not be able to perform photosynthesis because chloroplast is an organelle that contains light sensitive pigments named as chlorophyll. Chlorophyll traps light energy from sun. Sunlight energy, along with carbon dioxide and water produces food in the form of glucose in plants and other photoautotrophs.    

4 0
3 years ago
Which macromolecule will our bodies use first for energy?
sveta [45]

Answer:

Your body uses carbohydrates, lipids and proteins for energy. When small organic molecules bind together, they form larger molecules called biological macromolecules. Biological macromolecules fall into four categories: carbohydrates, proteins, lipids and nucleic acids. Your body uses carbohydrates, lipids and proteins for energy.

Explanation:

Your body uses carbohydrates, lipids and proteins for energy. When small organic molecules bind together, they form larger molecules called biological macromolecules. Biological macromolecules fall into four categories: carbohydrates, proteins, lipids and nucleic acids. Your body uses carbohydrates, lipids and proteins for energy.

4 0
3 years ago
Anwer the following:How hard the blood pushes on the inside of the blood vessels is called __________.The total amount of blood
Marina86 [1]

Answer:

How hard the blood pushes on the inside of the blood vessels is called Blood Pressure

The total amount of blood the heart pumps in one minute is called Cardiac Output

When blood vessels open wider during exercise, they are said to dilate

How many times your heart beats in one minute is called Heart Rate

The force that can put unhealthy tension on the heart as it is pumping is called Blood pressure

The amount of blood the heart pumps out in one beat is called Stroke volume.

Explanation:

All this concepts to the heart and cardiovascular system. It is important to know how heart is functioning to see how blood circulates.

3 0
3 years ago
Can someone help me please
ziro4ka [17]
The electron transport chain and ATP synthase are embedded in the inner mitochondrial membrane.The electrons flow through the electron transport chain, causing protons to be pumped from the matrix to the intermembrane space. Eventually, the electrons are passed to oxygen, which combines with protons to form water.
4 0
3 years ago
Which group contains only prokaryotes?
olchik [2.2K]

Answer:

Domains Archaea and Bacteria

Explanation:

4 0
3 years ago
Read 2 more answers
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