It is night time. Cathy walks into her house and puts the light on
The bright light makes her pupils go smaller.
This happens very quickly.
The diagram shows Cathy's eyes before she puts the light on.
SVAR
The diagram shows Cathy's eyes after she puts the light on.
1
WAKUU
mahta
KRAN
(a)
Cathy's pupils getting smaller is an example of a reflex action.
Write down two things which show that this is a reflex.
Answers: 3
Biology, 22.06.2019 00:50, sedilei1515
What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.
Answers: 2
It is night time. Cathy walks into her house and puts the light on
The bright light makes her pupi...