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forsale [732]
3 years ago
6

Dolphins (which are mammals) and sharks (which are fish) have stiff dorsal fins projecting from their backs that help them maneu

ver through water. these structures are best described as
Biology
1 answer:
mezya [45]3 years ago
8 0
Answer:  "analogous features" .
______________________________________________________
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What is the relationship between matter and atoms
sukhopar [10]

Answer and Explanation:

Matter is defined as anything that has mass and volume. Atoms are the smallest unit of matter. This means that atoms are the building blocks of all other substances on Earth- both organic and inorganic.

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Which teratogen is commonly associated with low birth weight, subnormal length and head circumference, excitability, and subnorm
Elanso [62]
I believe the answer is <span>Alcohol

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3 years ago
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The cell membrane is a unique structure that has many functions.
RoseWind [281]

Answer:

The cell membrane, also called the plasma membrane, is found in all cells and separates the interior of the cell from the outside environment. The cell membrane consists of a lipid bilayer that is semipermeable. The cell membrane regulates the transport of materials entering and exiting the cell.

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3 years ago
When the body is invaded by antigens, the immune system forms substances called?
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4 0
4 years ago
Complete the following statement: Oxygen is a reactant of _____(1)_____ while being the product for _____(2)_____.
kondaur [170]

1) Aerobic Respiration 2) Photosynthesis

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3 years ago
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