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77julia77 [94]
3 years ago
15

Make it good this teacher is being difficult ( I will report answers that just answered for points!!!!)

Biology
1 answer:
olchik [2.2K]3 years ago
5 0

Answer:

Macromolecules provide energy to our body.

Explanation:

Fats, carbohydrates and proteins are needed for a healthy diet because these macromolecules provide energy to our body. Fats are the macromolecules that can be broken down into micromolecule i.e. fatty acids, carbohydrates are broken down into glucose molecule and proteins are broken down into amino acids which can be absorbed by our body for the generation of ATP molecules. Beef, chicken, lamb, livers, meat extracts, mackerel, anchovies, and sardines are the food sources that has high amount of nucleic acid.

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All vertebrate embryos have _____ at some point during embryonic development, indicating a common evolutionary ancestor
aivan3 [116]

All chordates chare four structures. One of the is the tail. All vertebrate embryos have _<u>a tail</u>__ at some point during embryonic development, indicating a common evolutionary ancestor.

<h3>What is the relationship between chordates?</h3>

The evolutionary relationship between species is reflected in the similarities or differences in the patterns of embryonic development.

All chordates belong to the Chordata phylum, and share four main characteristics,

  1. Notochord, which is a precursor of the dorsal spine.
  2. Nerv cord, dorsally located and parallel to the notochord.
  3. Pharyngeal clefts
  4. Tail

All chordates express these structures at some point in their lives, especially in the early stages of embryogenesis. Many of them can be lost with animal development and become vestigial structures.

The tail is a vestigial structure in many vertebrates.

Vestigial structures are those body parts, genetically determined, that have been retained during the evolution of the taxonomic group but have lost or reduced their original function.

Such vestigial structures were plenty functional in the ancestors of new species, but now are typically degenerate, stunted, or rudimentary, and tend to be much more variable than homologous non-vestigial parts

All vertebrates develop a tail at some point in their embryonic life, even humans. However, this structure lost its original function in several species, so after a period of embryogenesis, this tail disappears, and its forming vertebras get fussed with each other composing the coccyx.

In many animals, the function of the tail is to stabilize, equilibrate and mobilize. But in humans, for instance, the coccyx has lost this function but is still an area of muscle insertion.

The correct option is Tail.

All vertebrate embryos have _<u>a </u><u>tail</u><u>_</u> at some point during embryonic development, indicating a common evolutionary ancestor.

You can learn more about chordates at

brainly.com/question/12406059

#SPJ1

3 0
2 years ago
The constant, dynamic process of continual addition of new bone tissue (bone ____________ ) and removal of old bone tissue (bone
elixir [45]

Answer:

(<u>Bone deposition</u>),

<u>(Bone resorption</u><u>)</u>,

<u>Remodeling</u>

<u>Periosteal</u><u> </u>,

<u>Nedosteal,</u>

<u>The compact bone, </u>

<u> Spongy bone.</u>

Explanation:

The constant, dynamic process of continual addition of new bone tissue (<u>bone deposition</u>) and removal of old bone tissue (<u>bone resorption</u>) is a process called bone <u>remodeling</u>. This ongoing process occurs at both the <u>periosteal</u> (outer) and<u> nedosteal </u>(inner) surfaces of a bone.

It is estimated that about <u>nedosteal</u> of the adult human skeleton is replaced yearly. This process does not occur at the same rate everywhere in the skeleton. For example,<u> the compact bone</u> in our skeleton is replaced at a slower rate than the <u>spongy bone.</u>

5 0
3 years ago
Explain the processes of photosynthesis and cellular respiration
Anuta_ua [19.1K]

Explanation:

photosynthesis converts carbon dioxide and water into oxygen and glucose.glucose is used as food by the plant and oxygen as a by-product.

cellular respiration convert oxygen and glucose into water and carbon dioxide water carbon dioxide a byproduct and ATP is energy that is transformed from a process.

6 0
3 years ago
Chemosynthesis relies on which energy source? (1 point)
jenyasd209 [6]
Chemosynthesis relies on which energy source? (1 point)
Olight
O thermal
O nuclear
O chemical
Answer- chemical
8 0
2 years ago
Read 2 more answers
Linnaeus based one of his classification categories on plants. He even named the Kingdom Plantae. Which best describes the organ
crimeas [40]

Answer:

b

Explanation:

all plants are make of prokaryotic cells.

5 0
3 years ago
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