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2 years ago

15

Which of the following is a limitation of the phylogenetic species concept?

1 answer:

dimaraw [331]2 years ago

7 0

Answer:

The limitation of phylogenetic species concept is b. Evolutionary histories are not known for all species.

Explanation:

The species that share a common ancestor and have similar traits and functions are grouped together as a result of the phylogenetic species concept. The phylogenetic species concept shows a unique evolutionary history of one organism with another of the same group. The major set back in the phylogenetic species concept is the lack of evolutionary histories for certain species. So, these organisms cannot be grouped according to the phylogenetic species concept.

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Complete the following sentence: "When ionic compounds dissociate in water, each ion is surrounded by a sphere of hydration: ___

Archy [21]

Answer:

Cations, Oxygen, Anions, Hydrogen

Explanation:

Water molecule is polar (meaning it has dipoles). The oxygen having a higher atomic mass attracts most of the electron cloud of the molecule becoming partially negatively charged and leaving the hydrogen end to be partially positive.

An Ionic compound is one between two atoms where one donates its electrons to the other for both to achieve stable configuration. The two atoms, therefore, become charged and are bought together by electrostatic forces.

When an ionic compound is put in water, it dissociates into its ions (anions and cations) They attract and repel with the polar water molecules depending on their charges. The anions (negatively charged ion) are surrounded by water molecules with the hydrogen ends and the cations are surrounded by water molecules with the oxygen ends.

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2 years ago

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What happens when a photon of light hits photosystem Il

yawa3891 [41]

Answer:

Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.

Explanation:

Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.Which statement best describes how Poe creates mood in the excerpt?

Poe uses rhyme to create an optimistic mood.

Poe uses rhyme to create a nostalgic mood.

Poe uses rhyme and onomatopoeia to create a rowdy mood.

Poe uses rhyme and onomatopoeia to create a boastful mood.

6 0

3 years ago

Does anyone know something that I could do to help myself focus bcs I have ADD and I'm failing?

alexandr402 [8]

howdy.

when I have my ADD moments, I like to take a moment to myself to try and 'calm' them. Maybe scribble some random stuff, write random stuff, and sometimes that calms down. and if it's real bad I like to cheat sometimes. what are you failing in, if you don't mind me asking?

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2 years ago

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During which year was the worst flu pandemic? <br>A. 2009 <br>B. 1969 <br>C. 1918 <br>D. 1957

notsponge [240]

Answer:

C

Explanation:

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2 years ago

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True or false: Typically, once a protein is synthesized in a healthy cell, it will perform its function indefinitely because the

KonstantinChe [14]

Answer:

True or false: Typically, once a protein is synthesized in a healthy cell, it will perform its function indefinitely because the cell environment is highly controlled.

=

False

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1 year ago