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Alex73 [517]
4 years ago
10

How long does blood from a transfusion last?

Biology
1 answer:
adoni [48]4 years ago
4 0
It can last from 1 to 4 hours
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Competitive exclution occurs when ______
denpristay [2]

Answer:

Competitive exclusion occurs when " organisms attempt to fill the same niche"

Explanation:

mostly due to the fact that they are competing over the same food source, which is always limited in some way.

7 0
3 years ago
A researcher determines an organism to be eukaryotic, unicellular, and autotrophic. In which taxonomic group should this organis
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According to the characteristics of this organism, it is classified into the Protist kingdom, which brings together unicellular or simple multicellular organisms that do not form tissues, both autotrophic and heterotrophic.

<h3>What is the kingdom protista?</h3>

It includes eukaryote-type organisms that, due to their characteristics, cannot be included in the rest of the kingdoms of this class.

Although most protists are unicellular, there are also multicellular protists and they can have autotrophic or heterotrophic metabolisms.

Therefore, we can conclude that the protist kingdom groups living beings that have cells belonging to the eukaryote group.

Learn more about Protist kingdom here: brainly.com/question/26845151

5 0
2 years ago
The genes for a brain are found all the way down the vertebrate family tree in a small worm-like animal called amphicoelus. True
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Answer:

Its false  

Amphicoelias altus (from the gr. "Hollow character on both high sides") is the only known species of the extinct genus. Titoniense, in what is now North America. Amphicoelias is present in stratigraphic zone 6 of the Morrison Formation

It was also similar in size to Diplodocus, about 25 meters long. Although most scientists have used this data to distinguish Amphicoelias and Diplodocus as separate genera, at least one has suggested that Amphicoelias is probably the largest synonym for Diplodocus.3 Amphicoelias altus, was named by paleontologist Edward Drinker Cope in December of 1877, although it was not published until 1878, for an incomplete skeleton consisting of two vertebrae, a pubis, the hip, and a femur, bone of the upper leg.4 Cope also named a second species, A. fragillimus

5 0
3 years ago
Select which of the following is not an accurate portrayal of mutations.
Shtirlitz [24]
D. Mutations will always impact an individual on some level

Most of these seem accurate or at least close to being accurate on how mutations affect genes however, some mutations won’t always impact an individual because some mutations are so minor. But this is my best guess
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2 years ago
In Yellowstone National Park, some species of algae
galina1969 [7]

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B) adaptation is the answer

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3 years ago
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