1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
IgorLugansk [536]
3 years ago
6

Directional selection acts against:

Biology
1 answer:
MissTica3 years ago
8 0
Directional selection acts against b<span>oth extremes simultaneously in the variation of the trait. This is the most "aggressive" form of selection and only happens in extreme areas.
</span>
You might be interested in
Which is the role of the electron transport chain in the process of photosynthesis? A. Cycling electrons between photosystem and
Elina [12.6K]

Answer:

c.

Explanation:

Because youcaring electrons from photosystem II, to photosystem I, to NADP+

I took this test about it hope that helps :D

5 0
4 years ago
Explain what is meant by the statement, "Cells are very different, yet very similar."
Svetradugi [14.3K]
Generally, any "thing" has many different qualities. If it shares roughly half these qualities with another "thing" they could be said to be very different and yet similar.  <span>In the case of cells, plant cells and animal cells both have a nucleus, protoplasm, vacuoles. Plant cells have cell walls and a more rigid structure</span>
6 0
4 years ago
Read 2 more answers
What describes the diet of a saprotroph?
rewona [7]

B. Bones and feathers

Just took mine!

5 0
3 years ago
Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome.
Vladimir [108]

Answer:

D) The structural genes will be transcribed continuously.

Explanation:

Suppose an experimenter becomes proficient with a technique that allows her to move DNA sequences within a prokaryotic genome.  If she moves the operator to the far end of the operon, past the transacetylase (lacA) gene, the structural genes will be transcribed continuously.

A structural gene is a gene that codes for any RNA or protein product other than a regulatory factor (i.e. regulatory protein).

7 0
4 years ago
In a plant cell wall the layer that is between a membrane, adding additional protection and support; not found in all plant cell
Tomtit [17]

Answer: SECONDARY CELL WALL.

Explanation: When cell wall grow,it becomes thickened,then it further deposits new layers of a different material (different from that of the primary cell wall) from where secondary cell wall is formed.

This secondary cell wall is made up of cellulose,hemicellulose,and lignin.

They function in providing additional strength,support, rigidity to cells and the larger plant.

8 0
3 years ago
Read 2 more answers
Other questions:
  • Which of the following has the greatest first ionization energy: Li,Be,B, or C?
    13·2 answers
  • A sample of muscle tissue shows large-diameter fibers that are white in color. Which characteristic would also be associated wit
    7·1 answer
  • 5. You are walking through the various sections of an arboretum garden. As you move through the section specializing in "desert
    7·1 answer
  • A(n) _____________ character is present in the common ancestor and all members of a group. a Derived B Taxonomic C Ancestral D E
    9·1 answer
  • In peas, the trait for tall plants is dominant (T) and the trait for short plants is recessive (t). The trait for yellow seed co
    9·1 answer
  • When two species occupy the same niche in an ecosystem, the result of the competition is that one species will either have to mo
    6·1 answer
  • What is the number of chromosomes made at the end of mitosis and meiosis?
    11·2 answers
  • Helphelphelp i accidentally blocked out c and d on my last one
    6·1 answer
  • What are the series of changes that occur in an ecosystem over time
    8·1 answer
  • When something acts against something, causing it to have less of an effect what is it called?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!