Answer:
C
Explanation:
As carbon dioxide and oxygen and water(H2O) is involves in photosynthesis.
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Answer: Endocrine system
Explanation: The integumentary system is that is made up of the skin, hair, nails and the Endocrine glands. The following functions of the integumentary system are:
a. It protects skin from any form of damage which could be in form dehydration.
b. It protects the skin by secreting an hormone called melanin which protects the skin from ultra violet radiation.
c. The integumentary system helps in regulating and maintaining the body temperature
d. The skin which is part of the integumentary system secretes Vitamin D which is an essential in building of strong and healthy bones.
<u>Answer:</u>
All the individuals of a species that live together in one place at the same time is called as population.
<u>Explanation:</u>
- When organisms of same group or species live in a particular area they are defined as population.
- Along with living in a particular area the species should also have the 'capability of interbreeding' in order to be called as population.
- Demography is a social science that deals with the 'statistical study of population'.
- A term 'sex population' is often visualized in 'population genetics', it refers to a organisms group in which a 'pair of members' can breed together.