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malfutka [58]
3 years ago
9

An age cohort refers to

Biology
1 answer:
lesantik [10]3 years ago
7 0
Age cohort is the group of people born during the same time. Due to their similar time of birth, they pass the course of life together. Therefore, the correct answer to your question is A. Example of the age cohort is the students of particular class, who are of same age group ad have similar expressions and concerns.
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Select all that apply.
matrenka [14]
Protons electrons  and neutrons

protons and neutrons are located on the nucleus and the electrons in the cloud. 
remember, protons have positive charge, neutrons are neutral and electrons have negative charge. 

hope i help you:)

5 0
3 years ago
Read 2 more answers
Which best describes the process of evaporation/transpiration in the
wolverine [178]

Answer:

Explanation:

Transpiration Transpiration is the procedure of water evaporating from the surface of leaves. Ground water is carried through the roots to the under-side of a leaf, and then comes out through tiny pores. It then evaporates into vapour drops before dispersing into the atmosphere. The rates of transpiration get higher with the higher temperatures.

6 0
3 years ago
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(Ch. 27.4) Many people are allergic to substances in the environment, such as ragweed pollen, as well as foods, such as peanuts.
djverab [1.8K]

Answer:

C. The substance does not directly harm tissues and is not a pathogen, but nevertheless triggers an inflammatory response.

Explanation:

When a person is allergic to a substance, his or her immune system recognizes a harmless substance, such as components in food, pollen, or dust, as a treat. As a consequence, it starts an immune response that leads to inflammation. The substance that starts the allergic reaction is called an allergen, and it is not a pathogen because it is not a real threat to the body since it does not infect cells. When the allergen enters the body, it binds to antibodies that are in contact with a special type of cell. These specific cells will release a substance known as histamine. Histamine will produce an inflammatory reaction affecting different tissues in our body. For example, it can make us sneeze, have a running nose, swelling parts of our body, have itchiness and redness, amongst others.

3 0
3 years ago
What similarities do mitochondria and choroplasts share
EleoNora [17]
<span>also supports and protects and shapes a plant cell and also regulates what moves into the cell can help support the entire plant. What similarities do the mitochondria and chloroplasts share? Both membrane bound organelles have their own DNA and help make energy available to the cell.</span>
8 0
3 years ago
Which of these pairs of body structures BEST illustrates a homologous relationship?
Rashid [163]
<span>A) Leg of a horse and the leg of a dog.
The rest of the choices are examples of convergent evolution because they are similar in  structures that evolved in separate places in the animal kingdom.
>Bats are mammals and birds are not, yet they both evolved a similar appendage</span><span>
Choices to this question are:
A) the leg of a horse and the leg of a dog
B) the wing of a bat and the wing of a bird
C) the fin of a dolphin and the fin of a shark
D) the beak of a bird and the beak of a turtle</span>
4 0
3 years ago
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