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
Serhud [2]
3 years ago
13

Scientists discovered that the Albert's squirrels became two separate populations during the Grand Canyon's formation; they are

now known as the Albert's and Kaibab squirrels.
Their traits differ, and scientists agree that in the future they may no longer be able to breed with each other.

If this occurs and breeding can not happen, what will this be an example of?

A.
natural selection

B.
speciation

C.
succession

D.
spontaneous generation
Biology
1 answer:
Mila [183]3 years ago
4 0
The answer is b cus its spectation
You might be interested in
7. Phytochrome prevents seeds of some plants from germinating when they are in deep shade by the: absorption of far-red waveleng
SIZIF [17.4K]
<h2>Function of Phytochrome </h2>

Explanation:

  • The <em>color of light</em> that they absorb maximally by the two types such as   <em>Pfr is a blue-green structure</em> that ingests far-<em>red light (730 nm)</em> and<em> Pr is a blue structure that retains red light (660 nm)</em>
  • <em>Pfr assimilates far-red light</em>, it is changed over to the <em>Pr structure</em>
  • Pfr can spontaneously revert to the Pr form  structure in obscurity <em>dark over time = dark reversion Pfr</em> is additionally helpless to proteinases
  • <em>Pfr contains  some red light, so in red light 15% Pr and   there is a parity of 85% Pfr.</em>
  • <em>The  phytochrome (Pr)</em> is changed over to the organically dynamic structure red light with the <em>Pfr under illumination</em>
  • <em>Darkness and Far -red light convert</em> the particle back to the inactive form.
4 0
3 years ago
Identify the lysogenic virus:<br> A. Measles <br> B. Chicken pox<br> C. Small pox <br> D. Flu
shtirl [24]

Answer:d

Explanation:

6 0
3 years ago
Read 2 more answers
PLEASE ANSWER: Which change in the environment led to the change in the population of peppered moths during the 1800s.
MAXImum [283]

Answer:

c for increase in population b for decrease

Explanation:

3 0
2 years ago
Read 2 more answers
True or false... A soil that gets muddy and sticky when wet contains a lot of sand? ***if false what's the correct answer***
Illusion [34]
False because soil is made of dirt

7 0
3 years ago
Read 2 more answers
What facts can you compile that would support a theory that multicellular eukaryotes developed from unicellular prokaryotes?
Delicious77 [7]

Answer:

Multicellular eukaryotes evolved from unicellular prokaryotes by the process of endosymbiosis

Explanation:

All living beings have evolved from three groups of animals closely related with each other.Domains: Archaea,bacteria and eukarya.the archaea and bacteria are unicellular organism surrounded by single cell water and  and coiled stand of DNA. Eukaryotic cells are more complex and with a linear  strand of DNA which is in the nucleus. Actually mitochondria which had evolved from a free living bacterium which was swallowed by another cell. The host cell benefited from the chemical energy that mitochondria produced and mitochondria in turn is benefited to be inside the protected environment. Mitochondria is the main organelle which the multicellular eukaryotes with unicellular prokaryotes.

3 0
3 years ago
Other questions:
  • What do two sugar isomers have in common
    9·1 answer
  • The shedding of the endometrium occurs during _____ resulting from a decrease in ___________.
    15·2 answers
  • Solar cells have many advantages. what is not one of these?
    7·1 answer
  • Which is not a particle within an atom? <br> an ion <br> an electron <br> a proton <br> a neutron
    9·2 answers
  • The _________ division of the ans increases alertness. the __________ division has a calming effect on the body.
    12·1 answer
  • When patients who are receiving glucocorticoid therapy (for example, with prednisone) need to stop taking it, the doctor will pr
    11·1 answer
  • what type of stimulus is a seed responding to when it begins to sprout? A. Hormones B. Lack of soil C. Sunlight D. Cold temperat
    14·1 answer
  • Carbon dioxide is carried from the tissues to the lungs by a variety of mechanisms. Which of the following lists these mechanism
    7·1 answer
  • Why is it important that a plant uses photosynthesis?
    14·2 answers
  • Arianna recent traveled abroad where she enjoyed eating food from different countries and learning about different cultures
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!