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ddd [48]
3 years ago
10

Which is the best definition of directional selection?

Biology
2 answers:
DerKrebs [107]3 years ago
8 0
Here is my definition, Directional selection<span> is a mode of natural </span>selection<span> in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the </span>direction<span> of that phenotype.

Hope that helps</span>
yan [13]3 years ago
5 0
In population genetics, directional selection<span> is a mode of natural </span>selection<span> in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.</span>
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What is the effect of the presence of double bonds in plant lipids?
Anna71 [15]

Answer: Option C.

C)the tails of plant lipids cannot pack as tightly together as animal ones

Explanation:

The tails of plant lipids cannot pack as tightly together as animal ones because the double bond in plant lipids make the hydrocarbon chains to bend making them no to pack tightly together which cause a reduction in van der Waals interaction between the fatty acids. The length of the double bond also affect the melting point of fatty acids . If the hydrocarbon chain is long, melting point will be high .

7 0
3 years ago
What explanation describes the primary function of the cell in the table?
svp [43]

Answer: C) The cell can produce energy for cellular functions.

Explanation: A cell is the functional unit of all living things. Cells are made up different parts with specialized functions. Cells take in nutrients from food and convert them to energy which is needed for other cellular functions. The specialized functions of the different parts of a cell can only be carried out if sufficient energy is provided by the cell. The functions of different parts of a cell include reproduction, absorption of nutrients and removal of substances from the cell, protein synthesis but none of these functions will be carried out if energy is not supplied.

7 0
4 years ago
What is anthrax? how was anthrax used in the crimes?
love history [14]
Anthrax is a rare bacterial disease spread by animals, insects, and mosquitoes. Victims may feel ill or have skin ulcers and difficulty breathing. I believe that you can find how it was used in a (story I believe in your case) by trying to find its significance of it to the story. Try to imagine what the story would be like without it? Does it change the ending? 

Hope this helps!

5 0
3 years ago
Read 2 more answers
In the system developed by Carolus Linnaeus (1707-1778), a classification of organisms consisting of related classes is a:
Sphinxa [80]

Answer:

C. phylum

Explanation:

According to the Carolus LInnaeus (1707-1778), He identified the system of classification of organisms into seven taxa which includes: Kingdom, Phylum, Class, Order, Family, Genus, species.

Kingdom:

The highest category into which organisms are classified and in which the whole of nature could fit.

Phylum:

A category used in the classification that consists of one or several similar or  closely related classes.  It is known as PHYLUM in classification of animal species and DIVISION in plant species.  

Class:

One or several similar or closely related orders.  Similar classes are said to be grouped  into PHYLUM.

Order:

One or several similar or closely related families.  Similar orders form a  

CLASS.

Family:

One or several similar or closely related genera.  Similar families are grouped  into an ORDER.

Genus (pl. genera):

A number of similar or closely related species. Similar genera are  grouped into a FAMILY.

Species:

A group of similar individuals that can breed and produce fertile offspring.  

Similar and related species are grouped into a GENUS.

4 0
3 years ago
A scientist wants to travel to the center of the Milky Way galaxy. It is 26,400 light-years from Earth. Would the
kifflom [539]

Answer:

no because he wouldn't live long enough to survive because ti would take like a hundred to a thousands of year to reach there because there r about 9.7 million kilometers in a light year

Explanation:

6 0
3 years ago
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