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vekshin1
3 years ago
8

What did Darwin observe about finches in the Gal�pagos Islands?

Biology
2 answers:
saveliy_v [14]3 years ago
7 0
B. their beaks were adaptions related to the foods the finches ate
Darwin concluded that the finches descended from a common ancestor, yet with time, the finches' beaks adapted to make food easier to access.
Juli2301 [7.4K]3 years ago
7 0

Answer is c. People had bred the bird to have beaks with varied shapes and sizes.

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3 years ago
Which type of muscle cell propels substances or objects through internal passageways? skeletal. cardiac. smooth. striated.
Naddik [55]

Answer:

Smooth muscle

Explanation:

  • The smooth muscle is one of the three types of muscle present in the human body and other animals.
  • The smooth muscle is called smooth because of its smooth appearance without any striations in its structure.
  • The smooth muscle is made of the spindle-shaped cells characterized by a single nucleus.
  • The smooth muscle cells are controlled by the autonomic nervous system and therefore is involuntary in its action.

The smooth muscle is present in the hollow organs and propels the substances through these hollow internal passages like in the alimentary canal of the digestive tract and urinary bladder.

Thus, the Smooth muscle is correct.

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3 years ago
Hikers who found a human body at high altitude in the italian alps thought the man had died recently but tests indicated he was
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The body was preserved because the body was frozen in the cold temperature of the Alps shortly after he died and remained frozen until it was found.

<h3>How is a body preserved?</h3>

It is common to observe that bodies are often preserved at a very low temperature hence the body was preserved because the body was frozen in the cold temperature of the Alps shortly after he died and remained frozen until it was found.

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The organism that lacks the ability to maintain their own metabolic pathways and can only reproduce inside of a host cell are the viruses.

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8 0
2 years ago
Carbon dioxide is used by producers (autotrophs) to make their food which is sugar. True or false?
natima [27]

Answer:

Most autotrophs use a process called photosynthesis to make their food. In photosynthesis, autotrophs use energy from the sun to convert water from the soil and carbon dioxide from the air into a nutrient called glucose. Glucose is a type of sugar. The glucose gives plants energy

Explanation:

4 0
3 years ago
Cells undergo differentiation during embryonic development. An individual skin cell develops differently from a muscle cell beca
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  • An individual skin cell develops differently from a muscle cell because the cells express different genes.  
  • All the given cells present in the body, be it skin or muscle cells have the same DNA and the same set of genes. However, these cells are able to develop differently from each other due to the differential expression of their genes.
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3 years ago
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