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nata0808 [166]
3 years ago
12

Which molecule has a basic unit that is composed of phosphate, a sugar ring, and one of five different bases

Biology
2 answers:
bixtya [17]3 years ago
5 0
C. Nuclei acids ....RNA and DNA
Nuetrik [128]3 years ago
5 0
C. Nucleus acids .. just look this up
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Fish reproduce by all of the following EXCEPT ?
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What is an estuary? How and why does the salinity of estuaries vary?
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Salinity in an estuary varies according to one's location in the estuary, the daily tides, and the volume of fresh water flowing into the estuary. In estuaries, salinity levels are generally highest near the mouth of a river where the ocean water enters, and lowest upstream where freshwater flows in.

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In a species of snail, dark-shelled individuals are better hidden from bird predators in the shady forest, while light-shelled i
Harrizon [31]

Answer:

C. Disruptive Selection

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Disruptive selection occurs when two extremes of continuous variation are favored more than intermediate traits.  

The extremes of continuous variation exhibited in this species of snail is the color of their shell which allows them to blend with the background of their habitat.  

The shady forest of the habitat makes the dark-shelled individuals to be better hidden from bird predators, while the light-shelled individuals are better hidden in well-lit brushy edge areas. This disruptive coloration exhibited by both individuals makes both individuals of this species of snail less vulnerable to predation.  

Both individuals of this species both extremities would naturally survive in this habitat as snails with intermediate extremities would be highly preyed on since there is no area of intermediate brightness in the habitat to make them invisible to predators

3 0
3 years ago
Which level of biodiversity includes species richness and evenness?
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Community Diversity.

Reason Why: Here is an example, say you have 2 communities, community 1 is A, and community 2 is B, Communities A and B contain 5 tree species, However because community B has greater species evenness it has greater species diversity.
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Richness- Number of Species
Evenness-Relative abundance.

Hope This Helped!
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