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
Veronika [31]
3 years ago
12

Need this quick plz and I will mark the brainliest.......

Biology
1 answer:
nlexa [21]3 years ago
3 0

Answer:

A. to control the crossing of the traits

Explanation:

If they self-pollinate, they don't cross traits with others.

You might be interested in
Chrysanthemums are short-day plants that normally flower in late fall. Suppose you were a chrysanthemum grower and you would lik
Whitepunk [10]

Answer:

Option D

Explanation:

Options for the question

A)import seeds produced in the southern hemisphere.

B)plant the flowers out-of doors in november.

C)keep the plants in a warm growing environment.

D)expose the plants to an hour of light in the middle of each night until the end of april.

Solution

Since Chrysanthemum is a short-day plant, its flower mainly develop during night and hence they require long nights of 11 to 12 hours. Blackout system is sometimes used to induce flowering.Flowering can be delayed by regulating both light and temperature. this is done by exposing plants for a short period of time to light (can be artificial) and to some source of heat that produces 85° F or higher temperature.  

Thus if flowers are required in month of may, flowering can be delayed by exposing Chrysanthemums plant to light and heat source during night time

Option D is correct

6 0
3 years ago
Assess the importance or value of having decomposers in the food web
lord [1]
Because, without them, the dead animal will just sit there. So, having decomposers gets rid of the remains of the animal, and that way they can eat too. Hope it helps good luck!
3 0
3 years ago
Which of the following are matched correctly?
kogti [31]

Answer:

<u>1. type IV hypersensitivity: delayed-type hypersensitivity.  </u>

<u>2. type I hypersensitivity: IgE  </u>

<u>3. type II hypersensitivity: IgG  </u>

<u>4. type III hypersensitivity: immune complexes </u>

Explanation:

Type IV hypersensitivity is cell mediated hypersensitivity rather than antibodies as in all other types of hypersensitivities. It is also known as delayed type hypersensitivity because it usually respond in 2-3 days via T-Lymphocytes rather than antibodies like IgE or IgG. So we can say that in option 5 is mismatched as it relates type IV to IgG antibodies.

4 0
3 years ago
Which phase of mitosis is shown in the diagram?
Anika [276]
The answer is B) metaphase
3 0
3 years ago
What is the best way to fight foodborne illness? check food for microbial contamination using a magnifying glass. buy only steri
Basile [38]
I think the answer is to throw away all uneaten and excess food...etc
5 0
3 years ago
Other questions:
  • This type of membrane protein enables cells to catalyze specific chemical reactions at the inner or outer surface of their plasm
    9·1 answer
  • Which of the following is not a benefit of agar as a solid medium?
    10·1 answer
  • A woman at 36 weeks’ gestation is admitted to the hospital to receive a tocolytic medication in an attempt to stop labor. In add
    12·1 answer
  • Draw a flowchart that explains how Tom’s nervous system controls his actions. As part of the flowchart, write one or two sentenc
    15·2 answers
  • Which is a function of the cell membrane?
    14·2 answers
  • Some prey species use ______ to scare off predators by puffing up (blow fish), spreading their wings (peacocks), or mimicking a
    6·1 answer
  • 9. Which of these are considered standard precautions for dealing with bodily fluids? Check all that apply
    10·1 answer
  • Las unidades repetitivas de las cromatinas se denominan?
    9·1 answer
  • Do animals have more cells than humans
    8·2 answers
  • Can any earth life thrive in open outer space?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!