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levacccp [35]
3 years ago
10

What are the differences between dandelions and grass?

Biology
1 answer:
Yuki888 [10]3 years ago
5 0

Answer:

the difference is that grass is a family of plants and a dandelion is a plant.

Explanation:

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The earliest known mineralized structures in vertebrates are associated with .
yulyashka [42]

The earliest known mineralized structures in vertebrates are associated with feeding.

<h3>What is mineralized structures?</h3>
  • Tissues that have incorporated minerals into soft matrices are referred to as mineralized tissues. These tissues typically serve as a structural support or a shield of protection.
  • Mineralized tissues include bone, mollusk shells, radiolarians, diatoms, Euplectella species of deep sea sponges, tendon, cartilage, tooth enamel, and dentin.
  • Over millions of years of evolution, these tissues have been precisely tailored to improve their mechanical properties. As a result, there have been numerous studies on mineralized tissues because there is much that can be learned from nature, as seen by the expanding field of biomimetics.
  • These tissues are prime candidates for artificial tissue duplication due to their extraordinary structural organization and technical qualities. Mineralized tissues encourage multifunctionality, flexibility, and downsizing.

To learn more about mineralized structures visit:

brainly.com/question/2284576

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7 0
1 year ago
Suppose a woman with a continuous hairline and short fingers and a man with a widow’s peak and long fingers have three children.
sergeinik [125]

Answer:

The women has a genotype of hhff and the man has a genotype of HhFf

Explanation:

From the results of the children we can see that widows peak and long fingers are dominant because it has the majority in the family. The question is are the parents homozygous dominant. The are not. They are heterozygous because if they were homozygous they wouldn’t be able to have any recessive genes transfer to the children

5 0
3 years ago
When your Math teacher was handing out the test, you noticed that your respiration rate and heartbeat increased, your palms got
Papessa [141]

Answer:

My pretest behaviors were triggered by the sympathetic nervous system, while my body returned to its normal state by the way of the parasympathetic nervous system, after the test.

Explanation:

The sympathetic nervous system and the parasympathetic nervous system are part of the autonomic nervous system. The main function of the autonomic nervous system is to regulate the heart, kidneys, and liver which are not under voluntary control. The regulation of the body’s unconscious actions is executed through the sympathetic and the parasympathetic nervous system.

Upon exposure to stressors or threats, the sympathetic nervous system is triggered. Epinephrine and norepinephrine are then released, causing acceleration of the heart, constriction of blood vessels, increase in blood pressure, profuse sweating and other related responses against stress. The sympathetic nervous system controls all these involuntary responses that could be termed “fight-flight-or-freeze” response.

On the other hand, the parasympathetic nervous system initiates what is termed “rest and digest” response, which occurs immediately after the “fight-flight-or-freeze” phase response to stress is over. The body is returned to its normal state by the parasympathetic nervous system. The parasympathetic nervous system releases acetylcholine, which regulates the function of the body during a period of rest or recuperation.  

5 0
3 years ago
Lesson of the kaibab
fenix001 [56]
Hey, mind putting the question in the replies so I can answer this? Thanks.
7 0
3 years ago
Read 2 more answers
The cells of plants and animals are similar, except for a few different structures. Which structures are only found in plant cel
Leviafan [203]

Answer:

large central vacuole

cell wall

Explanation:

Let me clear some things up for you. There are two types of cells - Prokaryotes and Eukaryotes. The principle difference between these types of cells are the structure of their genome. In case of prokaryotes, the genomic matter do not have a defined structure, it just kind of floats around in the protoplasm. But in the eukaryotes, the genome is more structured, have all kinds of proteins associated with them, and is surrounded by a two layered sack called the nuclear membrane. Both plant and animal cells have these feature of structured nucleus, therefore, they are both eukaryotes.

Now for the difference between plant and animal cells. the features you mentioned are unique about plant cells, but do not rule them out from being eukaryotes, as the 'true' structure of the nucleus is still there. Cell walls are necessary for the plant cells because plants do not posses an endoskeleton like most of the animals do. The cell wall makes the whole plant rigid so they don't fall apart or appear like a blob. Chloroplast is where photosynthesis happens, so it should most definitely be in a plant cell. Animals don't do photosynthesis so they don't have chloroplasts. Vacuoles are also present in animal cells, but they are much smaller, greater in number, and are known as lysosomes. Functionally they are virtually the same.

7 0
1 year ago
Read 2 more answers
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