Answer: B, the number of species in a community
Explanation:
Answer:
C.
Explanation:
This is because cellular respiration produces C02, which photosynthesis uses.
Sexual Reproduction
Zygote
Fertilization
Chromosomes
Answer: Option D
Explanation:
Once the pathogen enters the body, it starts dividing and after a certain period of time the patients experience some sign and symptoms of illness.
The prodromal period occurs just after the incubation period. In this phase the pathogen keeps on dividing and the host begins to experience general symptoms and signs of illness.
This is a result of the activation of immune system of the body which results in the swelling, pain, soreness.