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adelina 88 [10]
3 years ago
10

Describe two ways in which we explore space AND describe two situations that prevent humans from long distance space travel.

Biology
1 answer:
Nezavi [6.7K]3 years ago
5 0
1. for new forms of life
2. to find new inhabitable planets.
1.humans lack the technology to travel. by the time they get to the nearest inhabitable planet it would have been centuries.
2.ships we currently have are not made for far distance travel
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Look at the illustration in figure 25-3. Which of the following internal characteristics would you expect this animal to have?
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4 years ago
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Cephalopods have complex eyes that arose separately from vertebrate eyes that are also used in vision. what's this illustration
juin [17]

Options:

A. Analogous structures

B. Vestigial structures

C. Homologous structures

D. Missing links

Analogous structures is the illustration in cephalopod. Thus, the correct option is C.

A cephalopod eye, unlike a vertebrate eye, is focused through movement, similar to a camera or telescope lens, rather than altering shape like a human eye lens. The lens, which is totally internal, is nearly spherical, as is the eye.

<h3>What are the characteristics of cephalopod?</h3>

  1. Organs. They have three hearts, two of which transport blood to the gills and the other which pumps blood throughout the body. Their blood is blue because the protein hemocyanin binds oxygen.
  2. Color. Cephalopods have the ability to change the color of their skin at will. They can even use their skin to create elaborate patterns and forms. This is accomplished by the use of chromatophores, which are pigment-filled bags found in the skin. Nerves can change the color of the skin by controlling these chromatophores.
  3. Diet. Cephalopods are all carnivorous animals.

Organs, tissues, or cells in the body that are no longer functional in their ancestral version of the trait are known as vestigial organs.

For more information regarding Analogous structures, visit:

brainly.com/question/11154123

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5 0
2 years ago
How many amino acids must be obtained in the diet because they cannot be made by the body?
Ivan

Answer:

10

Explanation:

Your body can't produce the ten necessary amino acids and must acquire them from your diet.

The body does not manufacture essential amino acids and must be supplied by food. They don't need to take one meal at a time. The equilibrium is more significant during the day.

The body produces nonessential amino acids from essential amino acids or from the natural degradation of proteins.

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3 years ago
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Assistance on this question
xxMikexx [17]

Answer:B

Explanation:the other ones do not make snese

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Taking advantage to work on myself during this pandemic. staying active, spending time with family, eating well are all examples!!
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