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cluponka [151]
2 years ago
11

Which of the following phrases best describes the results of natural selection? a. changes in the inherited characteristics of a

population over time b. the natural variation found in all populations c. the struggle for existence undergone by all the livings d. unrelated species living in different locations
Biology
2 answers:
timama [110]2 years ago
7 0

is a charcter population over time.
r-ruslan [8.4K]2 years ago
4 0
A- Changes in the inherited characteristics pf a population over time. 
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Answer:

Calcium, Iron.

Explanation:

Calcium and Iron

Calcium is an essential nutrients element in man's diet. The requirement of calcium is 1000mg per day but for a pregnant woman more than this is required because of the developing feotus. Calcium helps in bone development, heart and nervous system functioining. When calcium is not available for developing embryo its lead to soft bone formation and Ricket in small children. Calcium can be gotten from green vegetables, fruits such as citrus, milk product such as cheese and yoghurt.

Iron is also an essential nutrients element for pregnant woman its helps in the formation of heamoglobin in red blood cell, Heamoglobin in the red blood cell helps in the transport of oxygen in the body. Hence, when iron is low heamoglobin cannot be formed and oxygen circulation is inhibited. Sources of calcium include meat, egg, liver.

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2 years ago
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vladimir2022 [97]
The answer is A: convergent boundary zones. The various Japanese islands formed due to the subduction of the Philippine Sea Plate below the continental Amurian Plate and Okinawa Plate to the south, and subduction of the Pacific Plate under the Okhotsk Plate to the north. This occurred during the mid-Silurian to the Pleistocene . This explains why much of Japan is mountainous. 
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What does a karyotype show?
Reil [10]

Answer:

The Answer is B

Explanation:

A karyotype test looks at the size, shape, and number of your chromosomes. Chromosomes are the parts of your cells that contain your genes. Genes are parts of DNA passed down from your mother and father. They carry information that determines your unique traits, such as height and eye color.

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Two trends in the evolution of early humans are…
aivan3 [116]
I would say the answer is D
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Structures that have different functions in different species but develop from the same embryonic tissues are called ___________
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Its a Homologous structure
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