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Molodets [167]
2 years ago
14

Most moths of a particular population died when the chestnut blight fungus that they were dependent on got wiped out but some mo

ths did survive which mechanism explains the reasons for this
Biology
1 answer:
k0ka [10]2 years ago
3 0
The answer is natural selection. 


Natural selection is one of the fundamental components of advancement, alongside change, movement, and hereditary float. Natural selection is the procedure amid which a few people of an animal types survive and exchange their qualities to their posterity, and others don't. The ones that survived more likely than not had some variety in their genotype that helped their survival.
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Carbohydrates on the surface of leukocytes play an important role in responding to infection or inflammation. Place the followin
svlad2 [7]

Answer:

E, A, B, D, C

Explanation:

Leukocytes are cells that are found in the blood stream and they help identify foreign materials and fight against them, they are also called white blood cells.

The process that is given in the question looks like this when the steps are put in the right order;

E, cytokines are secreted where needed and they signal certain cells according to the action that needs to be taken.

A, endothelial cells which are located on the surface of the blood vessels produce selectins.

B, selectins which are proteins that are made up of single chain and help with the cell adhesion with other molecules, carbohydrates in the example.

D, leukocytes roll along the walls of the blood vessel.

C, and lastly leukocytes crawl out of the vessel into the adjacent tissue.

I hope this answer helps.

5 0
2 years ago
Read 2 more answers
Which of the following best describes what the 118 known chemical elements combine to form?
mariarad [96]

Answer: The periodic table

Explanation: There are 118 elements in the periodic table

7 0
1 year ago
Following their sixteen-week, closed-ended, grief and loss psychotherapy group with adults as reported by Price et al, which of
tankabanditka [31]

Answer:

Option B

Explanation:

Complete question -

Following their sixteen-week, closed-ended, grief and loss psychotherapy group with adults as reported by Price et al, which of Yalom's therapeutic factors was most identifiable?

a. recapitulation

b. altruism

c. universality

d. imagery

Solutions -

Out of the eleven therapeutic factors the one that will be easily recognizable will be the one which will involve some kind of action and interaction or any visible signs. Altruism would affect a person positively and help him/her to gain confidence. This confidence will be visible by the person’s action when he/she will help other people in the group to gain value and significance in the same way as he/she has done.  

Hence, option B is correct

3 0
2 years ago
In horses, the allele for straight hair (H) is dominant, and the allele for curly hair (h) is recessive. A horse breeder mates a
Sauron [17]
It would be 75% because that is 3/4, the chances of dominant offspring.
3 0
2 years ago
Read 2 more answers
Define groundwater, and list some anthropogenic (human) sources of groundwater pollution. Why do many scientists consider ground
joja [24]

Explanation:

Groundwater is the freshwater present below the earth's surface. It originates from the rain, ice, melting snow.

Some anthropogenic sources of groundwater pollution are

  • Aluminum.
  • Sulfur.
  • Arsenic.
  • Nitrates.
  • Fluoride.

Groundwater pollution has more problems than surface water pollution because groundwater is mostly hidden and it is very difficult to view, manage and monitor.

Groundwater holds its contamination and pollutants that cause pollution whereas surface water rinses their contamination and pollutants.

8 0
2 years ago
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