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Fed [463]
3 years ago
11

The lowest layer of a glacier is generally _____.

Biology
2 answers:
Savatey [412]3 years ago
7 0

Answer:

A. Ice

Explanation:

glaciers generally accumulate more snow ... and the buried layers slowly grow together to form a thickened mass of ice.

Korvikt [17]3 years ago
4 0

Answer:

Ice

Explanation:

If you dug down into the accumulation zone of a glacier, you would find three main layers. The top layer is snow that thickens further up the glacier. Below this layer is firn, a transitional layer between snow and ice, which is as hard as ice but not as dense. The deepest layer is ice.

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The plasma membrane of the enveloped alga cell serves as the source of the apicoplast's second outermost membrane.

<h3>Where did all chloroplasts come from?</h3>

Chloroplasts were first established in eukaryotes through an endosymbiotic relationship with a cyanobacterium; they later spread through the evolution of eukaryotic hosts and the subsequent engulfment of eukaryotic algae by formerly nonphotosynthetic eukaryotes.

<h3>How did eukaryotic cells develop mitochondria and chloroplasts?</h3>

Chloroplasts and mitochondria most likely developed from engulfed bacteria that once existed as autonomous organisms. An aerobic bacterium was eventually swallowed by a eukaryotic cell, which later established an endosymbiotic bond with the host eukaryote and gradually transformed into a mitochondrion.

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5 0
1 year ago
Is the penguin a bird?? please help <br> &lt;3
zvonat [6]

Answer:

Yes, it is.

Explanation:

Penguins are a species of seabird that lives in the southern hemisphere, in areas close to Antarctica, characterized by its cold and wide expanses of sea without land. In this context, penguins are capable of living in these temperatures and feeding on fish and other marine elements. In addition, they are unable to fly, but not so to move through the sea using their wings for it.

4 0
3 years ago
Which of the following occurs during artificial selection, but not during natural selection? A. Selection pressures result in on
Tema [17]
D. This is because artificial selection is basically the human breeding of plants or animals, and we do so in a way to bring forth the best traits to solve a problem or create a better product.
Hope this helps!
7 0
3 years ago
Read 2 more answers
What is the meaning of mitochondria?​ and what are the functions?
Nimfa-mama [501]

Explanation:

mitochondria is a double membrane bound cell organelle,oval or cylindrical in shape.

<h3 /><h3>function</h3>
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2 years ago
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What is the process in which all of the nuclear DNA is copied?
Lina20 [59]

Answer:

the answer is dna replication

3 0
3 years ago
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