Extinction is the term used when all members of species

1 answer:

4 0

Extinction is the term used when all members of a species dies and is never seen again

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netineya [11]

Answer:

the answer is respiration

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2 years ago

Woodpeckers and squirrels fight for nesting rights in the same holes and spaces in trees, while the lions and cheetahs of the Af

zavuch27 [327]

Answer:

Explanation:

both of the cases the organisms are fighting for a resource

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2 years ago

Sodium and oxygen colvalent bond

snow_lady [41]

Answer AND Explanation:

When sodium atoms bond with one oxygen atom they form a covalent bond. However, there has to be two sodium atoms each with an extra electron that are donated to oxygen. Each of these sodium atoms gives oxygen one electron, allowing the oxygen atom to have a full shell with eight electrons. The sodium atom loses one orbital level since the electrons are donated.

4Na + O2 → 2Na2O

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3 years ago

Both ancestral birds and ancestral mammals shared a common ancestor that was terrestrial. Today, penguins (which are birds) and

GuDViN [60]

Hom0logous structures describes the relationship the bones in the forelimbs of penguins and seals as well as the fins of an aquatic worm and the flippers of seals

<h3>What is evolution?</h3>

Evolution refers to the process whereby complex life forms develop from simple life forms or non-living matter as a result of gradual changes over a long period of time.

Evidence for evolution include:

Fossil records
Anatomy
Embryology
Biogeography

Similarity in function and structure of anatomical features is known as h0mologous structures.

Hom0logous structures describes the relationship the bones in the forelimbs of penguins and seals as well as the fins of an aquatic worm and the flippers of seals.

Learn more about evolution at: brainly.com/question/1589147

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2 years ago

Compare and contrast the three types of muscle tissue. Be sure to include their structures, their functions, and an example of e

timurjin [86]

Skeletal muscles
Structure; they are long cylindrical fiber, striated, many peripherally located nuclei.
Functions; Voluntary movement, produces heat, protects organs.
Examples; the biceps, slow twitch fibers, fast glycolytic fibers.

Cardiac muscles
Structure; they are short, branched, striated, single central nucleus
Functions; Contracts to pump blood, they are found in the heart
Examples; Heart muscles

Smooth muscles
Structure; They are short, spindle shaped, no evident of striation, single nucleus in each fiber
Function; Involuntary movement, moves food, involuntary control of respiration, moves secretions, regulates the flow of blood in arteries by contraction.
Example; Muscles found in the walls of hollow organs like the intestines, stomach and the blood vessels.

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3 years ago