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algol [13]
3 years ago
11

For most ecosystems __________ is (are) the ultimate source of energy, and energy leaves the ecosystem in the form of __________

.
Biology
1 answer:
Rina8888 [55]3 years ago
6 0
For most ecosystems SUN is the ultimate source of energy, and energy leaves the ecosystem in the for of ORGANIC MATTER.
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What is the term for the breakdown of glucose in the presence of oxygen?
Naily [24]

Answer:

Cellular respiration

Explanation:

Cellular respiration involves the breakdown of glucose using oxygen to produce energy, or ATP, that is used by the cell

8 0
3 years ago
All multicellular organisms are called​
Drupady [299]

cellular from what i researched

5 0
3 years ago
Why is the Lancelet a chordate, but not a vertebrate?
nika2105 [10]

Lancelet is a chordate but not a vertebrate because it lacks a backbone

Explanation:

The subphyla of the phylum Chordata are - Vertebrata, Urochordata and cephalochordate

Those chordates with a structural backbone belong to Vertebrata.

Urochordates and cephalochordates lack a backbone and hence are termed invertebrate chordates.

Lancelet is an invertebrate chordate of the subphylum – Cephalochordata.  

The lancelets consist of a notochord that extends right from the head till the tail at the dorsal surface. The notochord acts like the backbone and provides support and a semi-flexible structure to aid in the movement of the organism.

They lack a developed nervous system like vertebrates but only has a dorsal nerve tube .

4 0
3 years ago
Based on the demonstration and your microscopic investigation, which of the three solutions is hypotonic to the red blood cells?
r-ruslan [8.4K]

You have given no demonstration based on your microscopic investigation so I cant tell you the answer to the question. I will try to help you by elaborating how to decipher..

Three terms hypotonic, hypertonic and isotonic are used when referring to two solutions separated by a selectively permeable membrane.

The hypertonic solution has a great concentration of OAS than the solution on the other side of the membrane. It is described, therefore, as having a great osmolarity. The hypotonic solution has a lower concentration of OAS, or osmolarity, than the solution on the other side of the membrane. When the two solutions are at an equilibrium, the concentration of OAS being equal on both sides of the membrane, the osmolarities are equal and are said to be isotonic.

The net flow of water is from the hypotonic to the hypertonic solution. When the solutions are isotonic, there is no net flow of water across the membrane.

If red blood cells are placed in a solution with a lower solute concentration than is found in the cells, water moves into the cells by osmosis, causing the cells to swell; such a solution is hypotonic to the cells.

So, look at the information and data you have on your microscopic investigation and use these guidelines to tell you which is which.
6 0
3 years ago
The nerve that controls the diaphragm and therefore breathing is the
stich3 [128]
<span>"The phrenic nerve is a nerve that originates in the neck and passes down between the lung and heart to reach the diaphragm"

The answer therefore is the Phrenic nerve.

</span>

5 0
3 years ago
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