plant and animal responses Flashcards
1
Q
what are abiotic compounds?
A
components of an ecosystem that are non living
2
Q
what is apical dominance?
A
inhibition of the lateral buds further down the plant
3
Q
what are auxins?
A
plant hormones which are responsible for regulating plant growth
4
Q
what are the commercial uses of plant hormones?
A
- brewing
- fruit production
- sugar production
- herbicides
5
Q
what is the autonomic nervous system?
A
controls involuntary movements in the body
6
Q
what is the CNS?
A
contains brain and spinal cord
7
Q
what is the PNS?
A
the sensory and motor nerves connecting the sensory receptors and effectors to the CNS
8
Q
write out the stages of muscle contraction.
A
See page 107 of the A-level OCR textbook
