Correct me if I'm wrong but I believe it is the Gravity (or Gravitational Pull) from the Sun.
Answer:
I believe it's B, its been a while since I last studied cells so I might be wrong
Explanation:
At times, a person may have experienced a sudden or unexpected change in body temperature within a 24-hour period. This change in the body temperature is caused by immune responses. If there is a detected infection in the body, the immune system fights back thus causing the change of body temperature.
White blood cells increase as they are the cells that destroy pathogens
Answer:
D
Explanation:
Nutrition wise euglena is a producer, but locomotion wise it is classified as animal. Other example is chlamydomonas