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
san4es73 [151]
3 years ago
15

6. Before transferring sperm to the female during mating, the males of some species of beetles use their copulatory organs to re

move the sperm of other males. In cases in which a female mated first with a male of a different species, the male of her own species is particularly adept at removing the other male’s sperm. This is an example of _______ isolation.
a. geographical

b. temporal

c. mechanical

d. postzygotic

e. precoital
Biology
1 answer:
scZoUnD [109]3 years ago
6 0

Answer: Mechanical Isolation

Explanation:

Mechanical isolation is a type of barrier that prevents the species that are closely related from mating with each other.

It is used in case of plants and animals(here beetles) in which the without compatible sex organs individual of different species will not be able to mate and produce offspring.

Thus, the correct answer is option C

You might be interested in
Systole is the ________ phase of the cardiac cycle.
MrRa [10]
<span>B. Relaxation 

</span>Systole is the ________ phase of the cardiac cycle.
NOT:
A. Contraction
<span>C. Monitoring </span>
<span>D. Termination</span>
8 0
3 years ago
Read 2 more answers
How mutation cause colorectal cancer​
Veseljchak [2.6K]

Answer:

  • A very small portion of colorectal cancers are caused by inherited gene mutations. Many of these DNA changes and their effects on the growth of cells are now known. For example: Familial adenomatous polyposis (FAP), attenuated FAP (AFAP), and Gardner syndrome are caused by inherited changes in the APC gene.
3 0
3 years ago
Which pollutant is a constituent of soot?
fgiga [73]

Answer:

black carbon which is "B"

5 0
3 years ago
Blood glucose levels increase after a meal has been eaten. as blood glucose levels increase above baseline, the level of which h
Mice21 [21]
Glucose levels are usually lowest in the morning, before the first meal of the day, and rise after meals for an hour or two by a few millimoles. Blood sugar levels outside the normal range may be an indicator of a medical condition. A persistently high level is referred to as hyperglycemia; low levels are referred to as hypoglycemia. Diabetes mellitus is characterized by persistent hyperglycemia from any of several causes, and is the most prominent disease related to failure of blood sugar regulation. There are different methods of testing and measuring blood sugar levels.
7 0
3 years ago
What is the difference between a jetty and a breakwater?<br><br> Why would they be used?
frozen [14]
Breakwaters protect an anchorage from the effects of weather and longshore drift, while jetties protect against erosion, by keeping the waves from sweeping the sand away. Difference, they both protect against different things.
5 0
4 years ago
Other questions:
  • The Ring of Fire is _______. a. the arc stretching from New Zealand to the Aleutian Islands b. composed of over 75% of the world
    10·2 answers
  • Which of the following is true about Earth's freshwater, air, soil and trees? A. Although these resources are renewable, they pr
    6·1 answer
  • A glucose molecule is the______________ Choices: smallest type of protein. . monomer of starch and cellulose. . largest of the c
    15·2 answers
  • Guided Practice
    15·1 answer
  • What are 2 conditions to enhance infant memory?
    6·1 answer
  • True or False<br><br> Osmosis is the movement of water into and out of a cell.
    11·2 answers
  • What are the similarities between DNA and RNA molecules?
    8·1 answer
  • Question 4 .Which process is a physical change?
    12·1 answer
  • Homeostasis is the body’s ability to maintain a stable internal environment when faced with a changing external environment. Gro
    7·1 answer
  • In an individual heterozygous for a single trait, the probability of the recessive allele being present in a gamete is ______. M
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!