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Oksana_A [137]
3 years ago
15

Elements are basic forms of _____?​

Biology
1 answer:
grin007 [14]3 years ago
8 0

An element is the simplest form of matter that has a unique set of properties. Examples of well-known elements include oxygen, iron, and gold (see the figure below). Elements cannot be broken down into a simpler substance.

Explanation: Happy to help

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An individual is infected with a pathogen that absorbs nutrients from its environment. In which category does this pathogen belo
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A pathogen that has nutrients absorbed from its environment is called fungus. Fungus is a eukaryotic microorganism that is a heterotroph and  acquire its food by absorbing dissolved molecules, typically by secreting digestive enzymes into their environment
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2 years ago
In which phase do sister chromatids line up in the middle of the cell, (in 'single-file', without a homologous partner)? Group o
ipn [44]

Answer:

The correct answer is ''METAPHASE I.''      

Explanation:

Metaphase I is the stage in which chromosomal studies are generally performed, because its morphology is very clear. The chromosomes, moved by the mitotic spindle, are placed in the center, between the two asters and form the so-called metaphase plate, in which the chromosomes are positioned in such a way that the kinetochore of each sister chromatid are oriented towards the opposite poles. Keeping chromosomes on the cell equator implies a balance between the forces of the microtubules that tend to move the kinetochores toward opposite poles, so positioning them in the center involves a great deal of energy.In each kinetochore, between 20-30 microtubules can be anchored, which exert traction force towards the pole from which they come, so the metaphase plate is maintained by the balance between the opposite forces of the poles on the chromosomes, which hold their sister chromatids by centromeric cohesin.

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2 years ago
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3 years ago
Summarize the nature versus nurture debate, and explain how contemporary theorists view this debate.
Klio2033 [76]

One of the oldest arguments in the history of psychology is the Nature vs Nurture debate. Each of these sides have good points that it's really hard to decide whether a person's development is predisposed in his DNA, or a majority of it is influenced by this life experiences and his environment.


4 0
3 years ago
Read 2 more answers
Costa Rica, located in Central America, features a very high level of biodiversity due to its tropical climate and large range o
maxonik [38]

Answer:

The interaction between the sloths and the leaves they eat is an example of a<u> predator-prey</u> relationship. In this example, sloths are <u>herbivores</u> that acquire their nutrients and energy from the<u> plants</u> they eat. The colors of coral snakes provide these animals with <u>mimicry</u> to avoid predation. Specifically, their coloration helps them <u>advertise their toxicity.</u> The interaction between the hosts and the ticks that live on them can be characterized as <u>parasitism</u>, because <u>one species feeds on the other</u>.

Explanation:

Predator-prey relationships are those in which a specie feeds on another specie. The sloth is the predator that feeds on the leaves which are its prey. Herbivores feed on plants. Therefore, the sloth are rightly classified as herbivores.

Coral snakes are brightly colored with red, yellow, and black patches that warn potential predators of their toxicity. Ticks living on hosts are parasitic because the ticks feed on their host.

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