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Lena [83]
3 years ago
14

Como crees que es la relación y producción de Oxigeno y Dióxido de carbono en los seres vivos?

Biology
1 answer:
Oduvanchick [21]3 years ago
4 0

Answer:

Oxygen is inhaled so that Dioxide can be exhaled, that is just how breathing functions.

Explanation:

We require this system for our survival.

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Of all the species you observed in this lab, which is the most difficult to classify as fungus-like, plant-like, or animal-like?
GalinKa [24]

Scientists used to lump protists into a single kingdom, and they still use this classification for some purposes. However, science has largely recognized that the taxonomic grouping known as Kingdom Protista actually includes a wide range of organisms that are not particularly related. Biologists are currently in the process of revising their classification to reflect the evolutionary relationships among this massive set of organisms.

TL;DR (Too Long; Didn't Read)

Biologists used to classify all protists as part of Kingdom Protista, but almost every rule used to describe them has some major exception. They are now attempting to revise the classification of the organisms in this kingdom. Some scientists have tried to sort protists in comparison to three of the other kingdoms: plant, animal and fungus. This has not worked because many protists exhibit characteristics from two or more of these kingdoms. The current attempts of classification focus on grouping protists into between three and ten kingdoms, based on species’ common evolutionary ancestors.

Mind-Boggling Diversity

The protists exhibit considerable diversity. Almost every rule used to describe them has some major exception. Some protists live as parasites, others as predators and still others as producers. Some have rigid cell walls, while others have more flexible cell membranes. Their methods of movement include passive drifting, swimming with flagella, swimming with cilia and creeping along with pseudopods. Even certain very basic criteria that have been used to define the group, such as the presence of nuclei and mitochondria, either don't exist or take on bizarre forms in some protists.

Cross-Kingdom Characteristics

Scientists have tried to classify the organisms within the protists as either plant-like, fungus-like, or animal-like. However, genetic testing and close examination have revealed that these categories often don't hold up, either. For example, Euglena have characteristics of both plant-like and animal-like protists. Euglena have chloroplasts like plants, in the sense that the chloroplasts allow them to gain energy from the sun through photosynthesis. At the same time, they have a tail or flagella which they use to swim, making them mobile, a very animal-like characteristic. Many other protists also have characteristics that make it difficult to justify keeping them all in a single group or subgroup.

8 0
3 years ago
What substance may build up in your body when you follow the Atkins diet? What does this substance do to
andrezito [222]
The Atkins diet can cause ketones to build up in your body. It occurs when your body doesn’t have enough sugar/glucose for energy , so it breaks down stored fat, which cause ketones to build in your body.
3 0
3 years ago
How cells, tissues, organs, and organ systems<br> are related
Scorpion4ik [409]

Answer:

A group of cells make a tissue, a group of tissues make and organ, a group of organs make an organ system, and an organ system makes a organism.

8 0
2 years ago
7. In some chickens, the gene for feather color is controlled by codominance. The allele for black is B and the allele for white
kondor19780726 [428]

Answer:

See the answer below

Explanation:

<em>Genotype is the genetic composition of organisms and a gene is made up of two alleles.</em>

a) Since the allele for black is B, <u>the genotype for black chickens would be BB. </u>

b) Since the allele for white is W, <u>the genotype for white chickens would be WW.</u>

c) Since erminette color is heterozygous,<u> the genotype would be BW.</u>

d) Two erminette were crossed:

         BW    x    BW

      BB BW BW WW

i. <em>Probability of having black chick (BB) </em>= 1/4

ii. <em>Probability of having a white chick (WW)</em> = 1/4

iii. <em>Probability of having erminette chicken (BW)</em> = 1/2

5 0
3 years ago
what is the difference between the closed conformation and open conformation of chromatin packing? biology
Oduvanchick [21]

The shape of chromatin, which can be either open (euchromatin) or compact (heterochromatin), is dynamically regulated during the phases of the cell cycle is the two types of conformations.

  • The main distinction between conformation and configuration is that whereas the configurations of the same molecule do not easily interconvert, their conformations do.
  • With a predefined location in the nucleus and a certain form, such as metacentric, submetacentric, acrocentric, or telocentric, chromosomes are primarily heterochromatic in this stage.
  • All DNA-mediated processes, including gene regulation, can be significantly impacted by the degree of nucleosomal packaging.
  • While heterochromatin (tight or closed chromatin) is more compact and resistant to factors that need to access the DNA template, euchromatin (loose or open chromatin) structure is permissible for transcription.

To know more about chromatin check the below link:

brainly.com/question/691971

#SPJ4

5 0
1 year ago
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